CN107711317B - Interplanting method of purple elephant grass and eucalyptus - Google Patents
Interplanting method of purple elephant grass and eucalyptus Download PDFInfo
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- CN107711317B CN107711317B CN201711134705.2A CN201711134705A CN107711317B CN 107711317 B CN107711317 B CN 107711317B CN 201711134705 A CN201711134705 A CN 201711134705A CN 107711317 B CN107711317 B CN 107711317B
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- eucalyptus
- elephant grass
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- 235000010705 Eucalyptus maculata Nutrition 0.000 title claims abstract description 102
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- GNSKLFRGEWLPPA-UHFFFAOYSA-M Monopotassium phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 claims description 6
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- 108010059820 Polygalacturonase Proteins 0.000 claims description 6
- OTYBMLCTZGSZBG-UHFFFAOYSA-L Potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 6
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 6
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 6
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- 235000014113 dietary fatty acids Nutrition 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 6
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- 150000004665 fatty acids Chemical class 0.000 claims description 6
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- 239000004009 herbicide Substances 0.000 claims description 6
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 6
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- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 6
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 6
- 235000011151 potassium sulphates Nutrition 0.000 claims description 6
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- SRAWNDFHGTVUNZ-UHFFFAOYSA-M sodium;3,6-dibutylnaphthalene-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC(CCCC)=CC2=CC(CCCC)=CC=C21 SRAWNDFHGTVUNZ-UHFFFAOYSA-M 0.000 claims description 6
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002045 lasting Effects 0.000 description 1
- XFIOZCMKPNZOII-RJMCEWFISA-N methyl (1S,4aS,7R,7aS)-4'-(hydroxymethyl)-5'-oxo-1-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyspiro[4a,7a-dihydro-1H-cyclopenta[c]pyran-7,2'-furan]-4-carboxylate Chemical compound O([C@@H]1OC=C([C@@H]2[C@H]1[C@]1(C=C(CO)C(=O)O1)C=C2)C(=O)OC)[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O XFIOZCMKPNZOII-RJMCEWFISA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention relates to the technical field of planting, in particular to an interplanting method of purple grassiness and eucalyptus, which specifically comprises the following steps of (1) treating seed stems of the purple grassiness: cutting mature purple elephant grass seed stems into two sections and one section, selecting a section of two-bud seed stems, soaking the seed stems for 0.5-1.5 minutes by using an antibacterial solution, taking out the seed stems, and naturally airing the seed stems, wherein the antibacterial solution is prepared by mixing 1-5 parts of crab apple extracting solution, 3-8 parts of shrubalthea extracting solution, 3-5 parts of bidens tripartita extracting solution, 80-100g/L brown sugar and 10-15g/L compound sodium nitrophenolate in parts by weight; (2) soil preparation; (3) managing the field; (4) and (6) harvesting. The advantages are that: the growth of purple elephant grass is not influenced under the condition of planting eucalyptus, the problem that the growing places of the eucalyptus are barren and do not grow other plants is solved, and the phenomenon of water and soil loss caused by toxic substances generated by the eucalyptus is avoided.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of planting, in particular to an interplanting method of purple grassiness and eucalyptus.
[ background of the invention ]
Eucalyptus (Eucalyptus) is an evergreen tree of Eucalyptus of Myrtaceae, is native to Australia, is a main tree species of industrial papermaking raw materials, is a fast-growing tree species introduced in the seventies of the last century in China, and has strong adaptability, rapid growth and wide application. The eucalyptus artificial forest is rapidly developed in relevant city districts such as Guangxi, Guangdong and Fujian in China, the planting area of the Guangxi reaches 5000 ten thousand mu by 2015, the Guangxi is the first place in the country, and the eucalyptus amount accounts for more than 70% of the country. Eucalyptus is used for relieving the contradiction between wood supply and demand in China, promoting the development of the wood pulp and paper integrated industry, maintaining the national wood safety, increasing the carbon sink of forests and playing a great role in coping with climate change, and large-area and large-scale fast-growing high-yield forest bases are established in eucalyptus suitable areas in all the country. However, while the eucalyptus planting industry is developing, some obstacles are encountered, and some scholars and some places in academia consider that: the development of eucalyptus industry is restricted by low utilization efficiency of soil for planting eucalyptus, excessive water consumption of soil, poor soil quality of places where eucalyptus is planted, insanitation of weeds in eucalyptus forests and the like. The purple elephant grass (Pennisetum purpureum Schumaabcv. Purple) is native to the Passion, and has the advantages of high and large plants, developed root systems, purple stems and leaves, vegetative propagation, strong cold resistance and stress resistance, more tillers, high yield, developed root systems of the purple elephant grass, quick ground sealing, high coverage strength and strong soil and water retention capacity. Therefore, the purple elephant grass is an excellent grass seed with feeding and ecology, and is worthy of popularization and application.
According to the requirement of the growth environment of the purple elephant grass, the method aims to fully utilize the gap land between eucalyptus forests, improve the biological yield and the land utilization efficiency of unit forest land area, reduce the water and soil loss of the forest land and maintain the ecological sustainability; provides a three-dimensional ecological cultivation technical method for fast intercropping and growing fast and highly producing purple grassiness in fast-growing eucalyptus forests. So far, no three-dimensional ecological cultivation technology report of 'eucalyptus + purple elephant grass' is available.
[ summary of the invention ]
The invention aims to: the invention aims to provide a method for interplanting purple grassiness and eucalyptus, which can avoid the growth of the purple grassiness under the condition of planting the eucalyptus, solve the problem that the land where the eucalyptus grows is barren and does not grow other plants, and avoid the phenomenon of water and soil loss caused by the generation of toxic substances of the eucalyptus.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the interplanting method of the purple grassiness and the eucalyptus specifically comprises the following steps:
(1) treating purple elephant grass seed stems: cutting mature purple elephant grass seed stems into two sections, selecting a section of two-bud seed stems, soaking the seed stems in an antibacterial solution for 0.5-1.5 minutes, taking out the seed stems, naturally airing the seed stems,
the antibacterial liquid is prepared by mixing the following raw materials in parts by weight, 1-5 parts of crab apple extract, 3-8 parts of shrubalthea extract, 3-5 parts of bidens tripartita extract, 80-100g/L brown sugar and 10-15g/L compound sodium nitrophenolate;
(2) land preparation: selecting a hill with fertile soil and a slope of 10 degrees for planting eucalyptus, wherein the row spacing for planting the eucalyptus is 3.5-4 meters, the plant spacing is 3.5-4 meters, after planting for one year, forming a ditch with the depth of 10 centimeters between the eucalyptus, then adding a base fertilizer, then sowing the treated purple elephant grass seed stems in the ditch, turning soil to cover the purple elephant grass seed stems, watering until the water content is 60 percent, the distance between every two plants of the purple elephant grass seed stems sowed in each row is 30-40 centimeters, observing the growth vigor of the seed stem seedlings after sowing for 10 days, and performing seedling supplementing treatment,
(3) field management:
a. spraying a foliar fertilizer to the purple elephant grass after the seedlings growing from the seed stems of the purple elephant grass are 20-30 cm high, wherein the fertilizing amount is 100 and 150 kilograms per mu;
b. after the purple elephant grass is as high as 40-50 cm, herbicide is sprayed on the planting field for weeding, and the spraying amount is 50-60 kilograms per mu;
c. digging a fertilizing ring with the width of 5 cm and the depth of 10 cm 2-3 days after weeding treatment by taking a distance of 20 cm from the stem of the purple elephant grass as a circle center, then applying additional fertilizer, wherein the fertilizing amount of each fertilizer is 0.3-0.6 kg, digging a fertilizing ring with the width of 20 cm and the depth of 20 cm for eucalyptus by taking a distance of 40 cm from the stem of the eucalyptus, then applying additional fertilizer, wherein the fertilizing amount of each fertilizer is 0.5-0.8 kg,
d. spraying insect repellents to the eucalyptus and the purple elephant grass every 10 days, wherein the spraying amount is 50-60 kilograms/mu; influences the growth of the eucalyptus root to the direction of the purple elephant grass and can not absorb moisture and fertilizer
(4) Harvesting: and (4) harvesting the purple elephant grass after the purple elephant grass grows to 100-110 cm, and repeating the step (3) of field management after the purple elephant grass grows new seedlings again.
Further, the foliar fertilizer is prepared by the following method: fermenting and decaying eucalyptus dead leaves, soaking the decayed eucalyptus dead leaves in water for 1-2 days, filtering the fermented eucalyptus dead leaves to obtain a nutrient solution, and mixing 30-50 parts of the nutrient solution, 5-10 parts of ammonium sulfate, 3-8 parts of urea, 3-8 parts of potassium sulfate, 3-8 parts of monopotassium phosphate, 0.1-0.5 part of fatty acid polyoxyethylene ester, 30-40 parts of water, 0.1-1 part of nekal, 0.1-1 part of polycarboxylate and 0.1-2 parts of xanthan gum according to parts by weight to obtain the foliar fertilizer.
Further, the additional fertilizer is prepared by the following method: weighing 10-15% of tea plant meal, 10-15% of soybean hulls, 10-15% of phosphate tailings, 15-20% of cassava residues, 15-20% of rotten eucalyptus dead branches, 5-10% of orange peel water extract, 5-10% of grape peel water extract, 5-10% of bacillus subtilis, 2-8% of lactobacillus plantarum and 3-8% of cellulose bacillus according to weight percentage, mixing, fermenting at the constant temperature of 35 +/-2 ℃, and obtaining the topdressing after fermenting for 5-10 days.
Further, the insect repellent is prepared from the following raw materials in parts by weight: 5-10 parts of caraway, 3-5 parts of mugwort, 3-8 parts of mint, 5-8 parts of aloe and 5-8 parts of hot pepper.
Further, the cabbages are prepared by adding 2 times of water into fresh cabbages, performing reflux extraction for 2 hours, adding 2 times of ethanol solution with the mass fraction of 75% by volume, performing water bath extraction for 30 minutes at 38 ℃, filtering and collecting filtrate to obtain a cabbages extracting solution.
Further, the mugwort is prepared by adding 100g of the whole mugwort grass into 300 g of water, heating and decocting for 30 minutes, filtering and taking filtrate to obtain the mugwort extract.
Further, the mint is prepared by mashing fresh mint leaves, adding 2 times of ethanol solution with the volume and mass fraction of 75% into the mint leaves, extracting the mint leaves for 30 minutes at 30 ℃ under reflux for 3 times, and combining the filtrate obtained after 3 times of filtration.
Further, the aloe is prepared by mashing fresh aloe, adding 2 times of ethanol solution with a volume and mass fraction of 75% to reflux-extract at 30 deg.C for 30 min for 3 times, and mixing the filtrates obtained by 3 times of filtration to obtain aloe extract.
Further, after the dried peppers are crushed, the dried peppers are soaked for 1-2 hours by adding 0.5 time of water until the water content of the dried peppers reaches more than 60%, then 2 times of ethanol solution with the volume and mass fraction of 75% is added for reflux extraction for 30 minutes at 30 ℃, the extraction is carried out for 3 times in total, and the filtered filtrates of 3 times are combined.
Further, the application method of the insect repellent is to mix 5-10 parts of the galium verum extract, 3-5 parts of the artemisia argyi extract, 3-8 parts of the mint extract, 5-8 parts of the aloe extract and 5-8 parts of the pepper extract according to the parts by weight and then mix with 10-20 parts of water for use.
Further, the crabapple extraction solution is prepared by drying crabapple barks, then carrying out ultramicro wave crushing, then adding the crushed crabapple barks, adding 2-3 times of ethanol solution with the mass concentration of 70% -80% for carrying out ethanol extraction for 3-5 minutes, carrying out microwave-assisted ethanol extraction during the ethanol extraction, wherein the microwave power is 350-400W, filtering after the ethanol extraction, taking the first filtrate, taking 100-200 ml of the first filtrate, adding 1-3 g of amylase, carrying out Soxhlet reflux extraction for 3 times, taking the second filtrate, extracting at the constant temperature of 35 ℃ for 10 minutes every time, and combining the second filtrates after 3 times of filtration to obtain the crabapple extraction solution.
Further, the hibiscus syriacus extract is prepared by mashing fresh hibiscus syriacus, adding 3-5 times of water by volume, decocting for 20-30 minutes, performing rotary centrifugal separation, centrifuging for 2-5 minutes at 2000r/min, separating solid substances, removing filtrate, performing decoction and rotary centrifugal separation for 2-3 times, combining the filtrate obtained after 3 times, filtering the combined filtrate by three layers of gauze, repeating for 2-3 times, and combining the filtrates to obtain the hibiscus syriacus extract.
Further, the extract of the bidens tripartita is prepared by drying whole herb of the bidens tripartita, crushing the whole herb of the bidens tripartita, sieving the dried whole herb of the bidens tripartita with a 10-mesh sieve, adding 3-5 times of water, carrying out reflux extraction for 1-2 hours in water bath at 32-35 ℃, filtering the obtained filtrate, carrying out reflux extraction for 2-3 times, combining the filtrate of the bidens tripartita, adding pectinase, cellulase and water into filter residues, carrying out countercurrent extraction at 32-35 ℃ for 30-50 minutes to obtain a bidens tripartita filter residue solution, and mixing the tripartita filter residue solution and the bidens tripartita filter residue solution to obtain the extract.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) the insect repellant does not contain chemical substances, is completely Chinese medicinal substances, is non-toxic and safe, and is safe and reliable when fed to animals after the purple elephant grass is harvested, and the animals are non-toxic and residue. Generally, in the prior art, one type of pesticide is sprayed on one type of pests, so that toxic substance residues are excessive on purple elephant grass frequently sprayed with the pesticide, and the production quality of animals is ensured by disinfecting and cleaning the purple elephant grass before feeding the animals. The research of the applicant shows that the mint extract contains menthol and the artemisia argyi extract and the vernonia galbana extract contains volatile oil and has an insect repelling effect, when natural substances are not added with chemical substances for fusion, the menthol and the volatile oil exist for a short time, the insect repelling effect is not lasting, the aloe extract and the capsicum extract which are added respectively contain aloin and capsaicin and can consolidate the structures of the volatile oil and the alcohol so that the structures of the volatile oil and the alcohol are stable and slowly released, the volatile oil and the terpenoid substances are contained in the two extracts to play a reinforcing role, the vernonia galbana extract also contains a large amount of iridoid, organic acid and anthraquinone, the artemisia argyi extract contains the artemisia argyi, the aloe extract contains aloin and aloe chrysophanol, the capsicum extract can expand the insect repelling range and inhibit the growth of harmful flora, brown spot and powdery mildew, Rust disease, sclerotinia, etc. and has unique taste to repel mosquito, leafminer, aphid, stink wind insect, armyworm, chafer, etc. and has excellent poisoning effect.
(2) According to researches, 5% -10% of bacillus subtilis, 2% -8% of lactobacillus plantarum and 3% -8% of cellulose bacillus are used for decomposing tea tree dregs, soybean hulls, phosphate tailings, cassava dregs and rotten eucalyptus dead branches, a large amount of organic matters and inorganic matters such as carbon elements, nitrogen elements, potassium elements, phosphorus elements and the like are released, the content of the organic matters is 26% -31%, the content of the inorganic matters is 28% -35%, quick-acting phosphorus is contained in the organic matters at 3.86-4.21mg/kg, and the content of amino acid is more than 25%; the research shows that 5 to 10 percent of orange peel water extract and 5 to 10 percent of grape peel water extract are added to mutually promote and stabilize the activity of the phosphorus element and play a role in protection, the latter contains tartaric acid, oxalic acid, pyruvic acid, anthocyanin, tartaric acid, oxalic acid and pyruvic acid, can remove hydroxyl free radical capacity and has better antioxidant capacity, the former contains a large amount of oxalic acid, anthocyanin and tartaric acid and can strengthen the activity of stabilized and activated phosphorus ions and strengthen the antioxidant capacity, the combination of the two extracts can achieve the effects of mutual assistance and dual guarantee, and the activity of phosphatase in the soil can reach 0.0008mg/g to 0.0010mg/g after 48 hours through detection, the purple grassiness after top dressing can fully utilize sunlight to carry out photosynthesis under semi-sun-shading sunlight to promote the growth of the purple grassiness after being interplanted under eucalyptus, and can be harvested for multiple times during the growth period.
(3) The application of the antibacterial solution aims at the problems that the planting of purple elephant grass in the prior art is generally seed stem sowing, the phenomenon that seedling filling is needed generally reaches more than 50 plants per mu, the research of the applicant finds that the purple elephant grass seed stem is fresh and sweet and is easily eaten by mice, the traditional rat poison can be generally prevented, but the safety problem exists, the phenomenon that purple elephant grass buds are not grown or seedlings are not nourished due to the fact that the seed stem cannot resist fungi is caused, the crab extract, the hibiscus extract and the bidens extract have antibacterial capability to inhibit the formation of harmful populations, but do not influence the growth of beneficial microorganisms, the three extracts have the capability of resisting harmful flora, the antibacterial capability is overlapped and different, so that the antibacterial range is enlarged, the antibacterial capability is enhanced, and the research finds that the best antibacterial effect and the effect of supplementing nutrition can be achieved by using the mixture ratio of the application, the nutrition supplementing effect is that the three extracting solutions contain a large amount of organic substances which can be absorbed in the soaking process, but the absorption effect is poor, the power element for promoting the growth of seed stems is insufficient, the brown sugar is used as the power assisting element, the compound sodium nitrophenolate can promote the absorption of the three extracting solutions and the brown sugar, the energy stored by the seed stems is improved, the emergence rate is improved, the purple elephant grass is interplanted after the eucalyptus grows for one year, the organic matter of the purple elephant grass decomposed in the soil is easily absorbed by the nutrient elements of the purple elephant grass in the eucalyptus, the absorption utilization rate of the nutrient elements decomposed by the purple elephant grass is reduced, and researches show that the growth of the purple elephant grass roots can influence the growth direction of the roots of the eucalyptus, the roots and the roots under the soil with the purple elephant grass roots are rare and grow longitudinally to the soil, which shows that the growth of the purple elephant grass is not influenced by the growth, the purple elephant grass provided by fertilization can not be absorbed by the eucalyptus in a large amount, and the phenomena of poor soil, water loss and soil erosion of the small grass in the area where the eucalyptus is planted can be avoided.
[ detailed description ] embodiments
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with examples are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Example 1:
the interplanting method of the purple grassiness and the eucalyptus specifically comprises the following steps:
(1) treating purple elephant grass seed stems: cutting mature purple elephant grass seed stems into two sections, selecting a section of two-bud seed stems, soaking the seed stems for 0.5 minute by using an antibacterial solution, taking out the seed stems, naturally airing the seed stems,
the antibacterial liquid is prepared by mixing the following raw materials in parts by weight, 1 part of crab apple extract, 3 parts of shrubalthea extract, 3 parts of euphorbia lantana extract, 80g/L brown sugar and 10g/L compound sodium nitrophenolate;
the Chinese flowering crabapple extracting solution is prepared by drying Chinese flowering crabapple barks, then carrying out superfine grinding, adding the dried Chinese flowering crabapple barks, adding 2 times of ethanol solution with the mass concentration of 70% for carrying out ethanol extraction for 3 minutes, carrying out microwave-assisted ethanol extraction during the ethanol extraction, wherein the microwave power is 350W, filtering the extracted Chinese flowering crabapple barks, taking first filtrate, taking 100 ml of the first filtrate, adding 1 g of amylase into the first filtrate, carrying out Soxhlet reflux extraction for 3 times, filtering the obtained second filtrate, extracting the obtained second filtrate at the constant temperature of 35 ℃ for 10 minutes every time, and combining the second filtrates obtained after 3 times;
the hibiscus syriacus extracting solution is prepared by mashing fresh hibiscus syriacus flowers, adding 3 times of water by volume, decocting for 20 minutes, performing rotary centrifugal separation, centrifuging for 2 minutes at the centrifugal speed of 2000r/min, separating solid substances, removing filtrate, performing decoction and rotary centrifugal separation for 2 times, combining the filtrates obtained after 3 times, filtering the combined filtrate by three layers of gauze, repeating the filtering for 2 times, and combining the filtrates to obtain the hibiscus syriacus extracting solution;
the extract of the bidens tripartita is prepared by drying whole bidens tripartita, crushing, sieving with a 10-mesh sieve, adding 3 times of water, performing reflux extraction in a 32-DEG C water bath for 1 hour, filtering to obtain a filtrate, performing reflux extraction for 2 times, combining the bidens tripartita filtrate, adding pectinase, cellulase and water into filter residues, performing reflux extraction at the extraction temperature of 32 ℃ for 30 minutes to obtain a bidens tripartita filter residue liquid, and mixing the tripartita filtrate and the tripartita filter residue liquid to obtain the extract of the bidens tripartita;
(2) land preparation: selecting a hill which is fertile in soil and has a slope of 10 degrees for planting eucalyptus, wherein the row spacing for planting the eucalyptus is 3.5 meters and the plant spacing is 3.5 meters, after planting for one year, forming a ditch with the depth of 10 centimeters between the eucalyptus, then adding a base fertilizer, then sowing the treated purple elephant grass seed stems into the ditch, turning over soil to cover the purple elephant grass seed stems, watering until the water content is 60 percent, wherein the distance between every two plants of the purple elephant grass seed stems sowed in each row is 30 centimeters, observing the growth vigor of the seed stems after sowing for 10 days, and performing seedling supplementing treatment,
(3) field management:
a. spraying a foliar fertilizer to the purple elephant grass after the seedlings growing from the seed stems of the purple elephant grass are 20-30 cm high, wherein the fertilizing amount is 100 kilograms per mu; the foliar fertilizer is prepared by fermenting and decaying eucalyptus dead leaves, soaking the fermented eucalyptus dead leaves in water for 1 day, filtering the fermented eucalyptus dead leaves to obtain a nutrient solution, and mixing 30 parts of the nutrient solution, 5 parts of ammonium sulfate, 3 parts of urea, 3 parts of potassium sulfate, 3 parts of monopotassium phosphate, 0.1 part of fatty acid polyoxyethylene ester, 30 parts of water, 0.1 part of nekal, 0.1 part of polycarboxylate and 0.1 part of xanthan gum according to parts by weight;
b. after the purple elephant grass is as high as 40 cm, herbicide is sprayed on the planting field for weeding, and the spraying amount is 50 kilograms per mu;
c. digging a fertilizing ring with the width of 5 cm and the depth of 10 cm by taking a position 20 cm away from the stem of the purple elephant grass as a circle center 2 days after weeding treatment, then applying top dressing, wherein the fertilizing amount of each fertilizing ring is 0.3 kg, digging a fertilizing ring with the width of 20 cm and the depth of 20 cm for eucalyptus by taking a position 40 cm away from the stem of the purple elephant grass as a circle center, then applying top dressing, wherein the fertilizing amount of each fertilizing ring is 0.5 kg, weighing 10% of tea tree dregs, 10% of soybean shells, 10% of phosphate tailings, 20% of cassava residues, 20% of rotten eucalyptus dead branches, 10% of orange peel water extract, 10% of grape peel water extract, 5% of bacillus subtilis, 2% of lactobacillus plantarum and 3% of bacillus fibrosus according to weight percentage, mixing, fermenting, controlling the fermentation temperature to be 35 +/-2 ℃, and fermenting at constant temperature for 5-10 days to obtain the top dressing;
d. spraying insect repellents to the eucalyptus and the purple elephant grass every 10 days, wherein the spraying amount is 50 kilograms per mu; the insect repellant is prepared by mixing 5 parts of Galium verum, 3 parts of folium Artemisiae Argyi, 3 parts of herba Menthae, 5 parts of Aloe and 5 parts of Capsici fructus, and adding 10 parts of water;
adding 2 times of water into fresh cabbages, performing reflux extraction for 2 hours, adding 2 times of ethanol solution with the mass fraction of 75% in volume, performing water bath extraction for 30 minutes at 38 ℃, filtering and collecting filtrate to obtain a cabbages extracting solution;
wherein the folium Artemisiae Argyi is prepared by adding 100g of folium Artemisiae Argyi whole plant into 300 g of water, heating and decocting for 30 min, filtering to obtain filtrate to obtain folium Artemisiae Argyi extract;
wherein the mint is prepared by mashing fresh mint leaves, adding 2 times of ethanol solution with the volume and mass fraction of 75% into the mint leaves, extracting the mixture for 30 minutes at 30 ℃ under reflux for 3 times, and combining the filtrates obtained after 3 times of filtration;
wherein the aloe is prepared by mashing fresh aloe, adding 2 times of ethanol solution with volume and mass fraction of 75% at 30 deg.C, reflux-extracting for 30 min for 3 times, and mixing the filtrates after 3 times of filtration to obtain aloe extractive solution;
wherein, the dried pepper is crushed by the pepper, 0.5 time of water is added for soaking for 1 hour until the water content of the dried pepper reaches more than 60 percent, 2 times of ethanol solution with the volume and mass fraction of 75 percent is added for reflux extraction for 30 minutes at 30 ℃, the extraction is carried out for 3 times totally, and the filtered filtrates of 3 times are combined;
(4) harvesting: and (4) harvesting the purple elephant grass after the purple elephant grass grows to 100-110 cm, and repeating the step (3) of field management after the purple elephant grass grows new seedlings again.
Comparative example 1:
the method is the same as the example 1, except that the antibacterial agent comprises 3 parts of shrubalthea extract, 3 parts of bidens tripartita extract, 80g/L brown sugar and 10g/L sodium nitrophenolate by weight.
Comparative example 2:
the method is the same as the embodiment 1, but different from the method that the antibacterial agent comprises 1 part of crab apple extracting solution, 3 parts of bidens tripartita extracting solution, 80g/L brown sugar and 10g/L compound sodium nitrophenolate by weight.
Comparative example 3:
the method is the same as the embodiment 1, except that the antibacterial agent comprises 1 part of crab apple extracting solution, 80g/L brown sugar and 10g/L compound sodium nitrophenolate in parts by weight.
Comparative example 4:
the method is the same as the example 1, except that the antibacterial agent comprises 3 parts of hibiscus syriacus extract, 80g/L brown sugar and 10g/L compound sodium nitrophenolate by weight.
Comparative example 5:
the method is the same as the embodiment 1, except that the antibacterial agent comprises 3 parts of bidens tripartita extract, 80g/L brown sugar and 10g/L compound sodium nitrophenolate by weight.
Comparative example 6:
the method is the same as the embodiment 1, except that the antibacterial agent comprises 3 parts of bidens tripartita extract and 10g/L of compound sodium nitrophenolate by weight.
Comparative example 7:
the method is the same as the example 1, except that the antibacterial agent comprises 1 part of crab apple extract, 3 parts of shrubalthea extract, 3 parts of euphorbia lantana extract and 80g/L brown sugar by weight.
For example 1, comparative examples 1 to 5 and blank control, the seed stems were soaked with the antibacterial solution and planted for one mu, the soil environment was the same, and the conditions of the emergence rate, the emergence time uniformity, the growth color and the like of the purple elephant grass were observed after the purple elephant grass was interplanted as shown in table 1:
TABLE 1
As can be seen from Table 1, the emergence rate of the purple elephant grass can be improved by using the antibacterial agent, and the effect of the three extracting solutions is better than that of two (comparative examples 1-2) or one (comparative examples 3-5); from example 1 and comparative examples 6 to 7, the blank control shows that the antibacterial solution added with the brown sugar and the compound sodium nitrophenolate can improve the emergence time of the purple elephant grass, proves that the three extracts can provide nutrient components to promote the emergence of seed stems, and proves that the growth direction of the root system of eucalyptus can be really inhibited after the growth of the purple elephant grass.
Example 2:
the interplanting method of the purple grassiness and the eucalyptus specifically comprises the following steps:
(1) treating purple elephant grass seed stems: cutting mature purple elephant grass seed stems into two sections, selecting a section of two-bud seed stems, soaking the seed stems for 1.5 minutes by using an antibacterial solution, taking out the seed stems, naturally airing the seed stems,
the antibacterial liquid is prepared by mixing the following raw materials in parts by weight, 5 parts of crab apple extract, 8 parts of shrubalthea extract, 5 parts of euphorbia lantana extract, 100g/L brown sugar and 15g/L compound sodium nitrophenolate;
the Chinese flowering crabapple extracting solution is prepared by drying Chinese flowering crabapple barks, then carrying out superfine wave crushing, adding the dried Chinese flowering crabapple barks, adding 3 times of ethanol solution with the mass concentration of 80% by volume for carrying out ethanol extraction for 5 minutes, carrying out microwave-assisted ethanol extraction during the ethanol extraction, wherein the microwave power is 400W, filtering the extracted Chinese flowering crabapple barks, taking first filtrate, taking 200 ml of the first filtrate, adding 3 g of amylase into the first filtrate, carrying out Soxhlet reflux extraction for 3 times, filtering the obtained second filtrate, extracting the obtained second filtrate at the constant temperature of 35 ℃ for 10 minutes every time, and combining the second filtrates obtained;
the hibiscus syriacus extracting solution is prepared by mashing fresh hibiscus syriacus flowers, adding 5 times of water by volume, decocting for 30 minutes, performing rotary centrifugal separation, centrifuging for 5 minutes at the centrifugal speed of 2000r/min, separating solid substances, removing filtrate, performing decoction and rotary centrifugal separation for 3 times, combining the 3 times of filtrate, filtering the combined filtrate by three layers of gauze, repeating for 3 times, and combining the filtrates to obtain the hibiscus syriacus extracting solution;
the extract of the bidens tripartita is prepared by drying whole bidens tripartita, crushing, sieving with a 10-mesh sieve, adding 5 times of water, performing reflux extraction in a 35 ℃ water bath for 2 hours, filtering to obtain a filtrate, performing reflux extraction for 3 times, combining the bidens tripartita filtrate, adding pectinase, cellulase and water into filter residues, performing reflux extraction at 35 ℃ for 50 minutes to obtain a bidens tripartita filter residue liquid, and mixing the tripartita filter residue liquid and the bidens tripartita filter residue liquid to obtain the extract of the bidens tripartita;
(2) land preparation: selecting a hill which is fertile in soil and has a slope of 10 degrees for planting eucalyptus, wherein the row spacing for planting the eucalyptus is 4 meters, the plant spacing for planting the eucalyptus is 4 meters, after planting for one year, forming a ditch with the depth of 10 centimeters between the eucalyptus, then adding a base fertilizer, then sowing the treated purple elephant grass seed stems in the ditch, turning soil to cover the purple elephant grass seed stems, watering until the water content is 60 percent, the distance between every two purple elephant grass seed stems sowed in each row is 40 centimeters, observing the growth vigor of the seed stems after sowing for 10 days, and performing seedling supplementing treatment,
(3) field management:
a. spraying a foliar fertilizer to the purple elephant grass after the seedlings growing from the purple elephant grass seed stems are 30 cm high, wherein the fertilizing amount is 150 kg/mu; the foliar fertilizer is prepared by fermenting and decaying eucalyptus dead leaves, soaking the decayed eucalyptus dead leaves in water for 2 days, filtering the fermented eucalyptus dead leaves to obtain a nutrient solution, and mixing 50 parts by weight of the nutrient solution, 10 parts by weight of ammonium sulfate, 8 parts by weight of urea, 8 parts by weight of potassium sulfate, 8 parts by weight of monopotassium phosphate, 0.5 part by weight of fatty acid polyoxyethylene ester, 40 parts by weight of water, 1 part by weight of nekal, 1 part by weight of polycarboxylate and 2 parts by weight of xanthan gum;
b. after the purple elephant grass is as high as 40-50 cm, herbicide is sprayed on the planting field for weeding, and the spraying amount is 60 kilograms per mu;
c. 3 days after weeding treatment, digging a fertilizing ring with the width of 5 cm and the depth of 10 cm by taking a position 20 cm away from the stem of the purple elephant grass as a circle center, then applying top dressing, wherein the fertilizing amount of each fertilizing ring is 0.6 kg, digging a fertilizing ring with the width of 20 cm and the depth of 20 cm for eucalyptus by taking a position 40 cm away from the stem of the purple elephant grass as a circle center, then applying top dressing, wherein the fertilizing amount of each fertilizing ring is 0.8 kg, weighing 13% of tea tree meal, 10% of soybean hull, 10% of phosphate tailings, 15% of cassava residue, 15% of rotten eucalyptus dead branches, 5% of orange peel water extract, 5% of grape peel water extract, 10% of bacillus subtilis, 8% of lactobacillus plantarum and 8% of bacillus fibrosus according to weight percentage, mixing, fermenting, controlling the fermentation temperature to be 35 ℃, and fermenting at constant temperature for 10 days to obtain the top dressing;
d. spraying an insect repellent to the eucalyptus and the purple elephant grass at intervals of 10 days, wherein the spraying amount is 60 kilograms per mu; the insect repellant is prepared by mixing herba Galii Teneri 10 parts, folium Artemisiae Argyi 5 parts, herba Menthae 8 parts, Aloe 8 parts, and Capsici fructus 8 parts, and adding 20 parts of water;
adding 2 times of water into fresh cabbages, performing reflux extraction for 2 hours, adding 2 times of ethanol solution with the mass fraction of 75% in volume, performing water bath extraction for 30 minutes at 38 ℃, filtering and collecting filtrate to obtain a cabbages extracting solution;
wherein the folium Artemisiae Argyi is prepared by adding 100g of folium Artemisiae Argyi whole plant into 300 g of water, heating and decocting for 30 min, filtering to obtain filtrate to obtain folium Artemisiae Argyi extract;
wherein the mint is prepared by mashing fresh mint leaves, adding 2 times of ethanol solution with the volume and mass fraction of 75% into the mint leaves, extracting the mixture for 30 minutes at 30 ℃ under reflux for 3 times, and combining the filtrates obtained after 3 times of filtration;
wherein the aloe is prepared by mashing fresh aloe, adding 2 times of ethanol solution with volume and mass fraction of 75% at 30 deg.C, reflux-extracting for 30 min for 3 times, and mixing the filtrates after 3 times of filtration to obtain aloe extractive solution;
wherein, the dried pepper is crushed by the pepper, 0.5 time of water is added for soaking for 2 hours until the water content of the dried pepper reaches more than 60 percent, 2 times of ethanol solution with the volume and mass fraction of 75 percent is added for reflux extraction for 30 minutes at 30 ℃, the extraction is carried out for 3 times totally, and the filtered filtrates of 3 times are combined;
(4) harvesting: and (4) harvesting the purple elephant grass after the purple elephant grass grows to 110 cm, and repeating the step (3) of field management after the purple elephant grass grows new seedlings again.
Control group 1:
the method is the same as that in the embodiment 2, except that the topdressing is prepared by weighing 13% of tea plant meal, 10% of soybean hulls, 10% of phosphate tailings, 15% of cassava residues, 25% of rotten eucalyptus dead branches, 10% of bacillus subtilis, 8% of lactobacillus plantarum and 8% of bacillus fibrosus according to the weight percentage, mixing and fermenting, controlling the fermentation temperature to be 35 ℃, and fermenting at constant temperature for 10 days.
Control group 2:
the method is the same as that in the example 2, except that the topdressing is prepared by weighing 13% of tea plant meal, 10% of soybean hulls, 10% of phosphate tailings, 15% of cassava residues, 20% of rotten eucalyptus dead branches, 5% of grape skin water extract, 10% of bacillus subtilis, 8% of lactobacillus plantarum and 8% of bacillus fibrosus according to the weight percentage, mixing and fermenting, controlling the fermentation temperature to be 35 ℃, and fermenting at constant temperature for 10 days.
Control group 3:
the method is the same as that in the example 2, except that the topdressing is prepared by weighing 13% of tea plant meal, 10% of soybean hulls, 10% of phosphate tailings, 15% of cassava residues, 20% of rotten eucalyptus dead branches, 5% of orange peel water extract, 10% of bacillus subtilis, 8% of lactobacillus plantarum and 8% of bacillus fibrosus according to the weight percentage, mixing and fermenting, controlling the fermentation temperature to be 35 ℃, and fermenting at constant temperature for 10 days.
For example 1, control groups 1-3, and blank control (ck), the base fertilizer applied was a mixture of nitrogen, phosphorus, and potassium in a ratio of 15:15, topdressing, selecting one mu per land for comparison, detecting total phosphorus by an acid-soluble-molybdenum-antimony colorimetric-resistance method, and detecting fast-acting phosphorus by 0.05mol/L NaHCO3The Mo-Sb colorimetric resistance method is characterized in that 5 purple elephant grass plants are randomly selected 24 hours and 48 hours after additional fertilization to carry out the content of available phosphorus in the stem soil and the content of available phosphorus in the stems of the purple elephant grass plants, and the contents are shown in a table 2:
table 2:
from the above table, the content of the fast-acting phosphorus in the soil in the control group 1 is decomposed most quickly, namely ck is larger than the control group 2 and larger than the control group 3 and is larger than the example 2, and the fast-acting phosphorus absorbed and utilized is larger than the control group 2, larger than the control group 3 and larger than the control group 1 and larger than ck from the fast-acting phosphorus on the stems; the application proves that the topdressing can improve the activity of the phosphorus element and prevent the phosphorus element from being easily oxidized, denatured, precipitated and not absorbed by plants.
Example 3:
the interplanting method of the purple grassiness and the eucalyptus specifically comprises the following steps:
(1) treating purple elephant grass seed stems: cutting mature purple elephant grass seed stems into two sections, selecting a section of two-bud seed stems, soaking the seed stems for 1 minute by using an antibacterial solution, taking out the seed stems, naturally airing the seed stems,
the antibacterial liquid is prepared by mixing the following raw materials in parts by weight, namely 3 parts of crab apple extract, 5 parts of shrubalthea extract, 4 parts of euphorbia lantana extract, 90g/L brown sugar and 12g/L compound sodium nitrophenolate;
the Chinese flowering crabapple extracting solution is prepared by sun-drying Chinese flowering crabapple barks, then carrying out ultramicro wave crushing, adding the crushed Chinese flowering crabapple barks, adding 2 times of ethanol solution with the mass concentration of 75% for carrying out ethanol extraction for 4 minutes, carrying out microwave-assisted ethanol extraction during the ethanol extraction, wherein the microwave power is 380W, filtering the ethanol extraction, taking first filtrate, taking 150 ml of the first filtrate, adding 2g of amylase into the first filtrate, carrying out Soxhlet reflux extraction for 3 times, filtering the obtained second filtrate, extracting the obtained second filtrate at the constant temperature of 35 ℃ for 10 minutes every time, and combining the second filtrates after 3 times of filtering to obtain;
the hibiscus syriacus extracting solution is prepared by mashing fresh hibiscus syriacus flowers, adding 4 times of water by volume, decocting for 25 minutes, performing rotary centrifugal separation, centrifuging for 3 minutes at the centrifugal speed of 2000r/min, separating solid substances, removing filtrate, performing decoction and rotary centrifugal separation for 3 times, combining the filtrates obtained after 3 times, filtering the combined filtrate by three layers of gauze, repeating the filtering for 2 times, and combining the filtrates to obtain the hibiscus syriacus extracting solution;
the extract of the bidens tripartita is prepared by drying whole bidens tripartita, crushing, sieving with a 10-mesh sieve, adding 4 times of water, performing reflux extraction in 34 ℃ water bath for 1.5 hours, filtering to obtain filtrate, performing reflux extraction for 2 times, combining the bidens tripartita filtrate, adding pectinase, cellulase and water into filter residue, performing countercurrent extraction at 33 ℃ for 40 minutes to obtain a bidens tripartita filter residue liquid, and mixing the tripartita filtrate and the tripartita filter residue liquid to obtain the extract of the bidens tripartita;
(2) land preparation: selecting a hill with fertile soil and a slope of 10 degrees for planting eucalyptus, wherein the row spacing for planting the eucalyptus is 3.5-4 meters, the plant spacing is 3.5-4 meters, after planting for one year, forming a ditch with the depth of 10 centimeters between the eucalyptus, then adding a base fertilizer, then sowing the treated purple elephant grass seed stems into the ditch, turning soil to cover the purple elephant grass seed stems, watering until the water content is 60 percent, the distance between every two plants of the purple elephant grass seed stems sowed in each row is 35 centimeters, observing the growth vigor of the seed stems after sowing for 10 days, and performing seedling supplementing treatment,
(3) field management:
a. spraying a foliar fertilizer to the purple elephant grass after the seedlings growing from the purple elephant grass seed stems are 25 cm high, wherein the fertilizing amount is 130 kg/mu; the foliar fertilizer is prepared by fermenting and decaying eucalyptus dead leaves, soaking the fermented eucalyptus dead leaves in water for 1 day, filtering the fermented eucalyptus dead leaves to obtain a nutrient solution, and mixing 40 parts by weight of the nutrient solution, 8 parts by weight of ammonium sulfate, 7 parts by weight of urea, 5 parts by weight of potassium sulfate, 6 parts by weight of monopotassium phosphate, 0.2 part by weight of fatty acid polyoxyethylene ester, 35 parts by weight of water, 0.5 part by weight of nekal, 0.6 part by weight of polycarboxylate and 0.7 part by weight of xanthan gum;
b. after the purple elephant grass is as high as 40-50 cm, herbicide is sprayed on the planting field for weeding, and the spraying amount is 55 kilograms per mu;
c. digging a fertilizing ring with the width of 5 cm and the depth of 10 cm by taking a position 20 cm away from the stem of the purple elephant grass as a circle center 2 days after weeding treatment, then applying top dressing, wherein the fertilizing amount of each fertilizing ring is 0.4 kg, digging a fertilizing ring with the width of 20 cm and the depth of 20 cm for eucalyptus by taking a position 40 cm away from the stem of the purple elephant grass as a circle center, then applying top dressing, wherein the fertilizing amount of each fertilizing ring is 0.6 kg, weighing 15% of tea tree dregs, 11% of soybean shell, 11% of phosphorus tailings, 16% of cassava dregs, 17% of rotten eucalyptus dead branches, 8% of orange peel water extract, 9% of grape peel water extract, 6% of bacillus subtilis, 3% of lactobacillus plantarum and 4% of cellulose extract according to weight percentage, mixing, fermenting, controlling the fermentation temperature to be 35 +/-2 ℃, and fermenting at constant temperature for 5-10 days to obtain the top dressing;
d. spraying an insect repellent to eucalyptus and purple grassiness at intervals of 10 days, wherein the spraying amount is 54 kg/mu; the insect repellant is prepared by mixing 6 parts of Galium verum, 4 parts of Artemisia argyi, 4 parts of mint, 7 parts of aloe and 6 parts of hot pepper, and adding 14 parts of water;
adding 2 times of water into fresh cabbages, performing reflux extraction for 2 hours, adding 2 times of ethanol solution with the mass fraction of 75% in volume, performing water bath extraction for 30 minutes at 38 ℃, filtering and collecting filtrate to obtain a cabbages extracting solution;
wherein the folium Artemisiae Argyi is prepared by adding 100g of folium Artemisiae Argyi whole plant into 300 g of water, heating and decocting for 30 min, filtering to obtain filtrate to obtain folium Artemisiae Argyi extract;
wherein the mint is prepared by mashing fresh mint leaves, adding 2 times of ethanol solution with the volume and mass fraction of 75% into the mint leaves, extracting the mixture for 30 minutes at 30 ℃ under reflux for 3 times, and combining the filtrates obtained after 3 times of filtration;
wherein the aloe is prepared by mashing fresh aloe, adding 2 times of ethanol solution with volume and mass fraction of 75% at 30 deg.C, reflux-extracting for 30 min for 3 times, and mixing the filtrates after 3 times of filtration to obtain aloe extractive solution;
wherein, the dried pepper is crushed by the pepper, 0.5 time of water is added for soaking for 1.3 hours until the water content of the dried pepper reaches more than 60 percent, 2 times of ethanol solution with the volume and mass fraction of 75 percent is added for reflux extraction for 30 minutes at 30 ℃, the extraction is carried out for 3 times totally, and the filtered filtrate of 3 times is merged;
(4) harvesting: and (4) harvesting the purple elephant grass after the purple elephant grass grows to 100 cm, and repeating the step (3) of field management after the purple elephant grass grows new seedlings again.
Experimental group 1:
the same as in example 3, except that the insect repellent was used by mixing 6 parts of cabbages, 7 parts of aloe and 6 parts of peppers and adding 14 parts of water.
Experimental group 2:
the same as example 3, except that the insect repellent was prepared by mixing 6 parts of Galium verum, 4 parts of mugwort, 7 parts of aloe and 6 parts of hot pepper, and adding 14 parts of water.
Experimental group 3:
the same as in example 3, except that the insect repellent was prepared by mixing 6 parts of Galium verum, 4 parts of mugwort and 4 parts of peppermint and adding 14 parts of water.
Experimental group 4:
the same as in example 3, except that the insect repellent was prepared by mixing 6 parts of Galium verum, 4 parts of mugwort, 4 parts of peppermint and 6 parts of hot pepper, and adding 14 parts of water.
Experimental group 5:
the same as in example 3, except that the insect repellent was sprayed.
Comparing example 3 with experimental groups 1-3, the spraying was started to record the occurrence of diseases in 2016, 4, 25 and specifically shown in Table 3:
TABLE 3
As can be seen from Table 3, the occurrence of diseases is common without using the anthelmintic of the present application, and the disease resistance range is greatly reduced with the reduction of the composition; compared with the experimental groups 1 and 2, the mugwort and the mint have the ability of promoting the disease resistance in the phase, and compared with the experimental groups 3 and 4, the aloe and the pepper have the ability of promoting the disease resistance in the phase.
Example 4:
the interplanting method of the purple grassiness and the eucalyptus specifically comprises the following steps:
(1) treating purple elephant grass seed stems: cutting mature purple elephant grass seed stems into two sections, selecting a section of two-bud seed stems, soaking the seed stems in an antibacterial solution for 0.8 min, taking out the seed stems, naturally airing the seed stems,
the antibacterial liquid is prepared by mixing the following raw materials in parts by weight, 4 parts of crab apple extract, 7 parts of shrubalthea extract, 4 parts of euphorbia lantana extract, 95g/L brown sugar and 12g/L compound sodium nitrophenolate;
the Chinese flowering crabapple extracting solution is prepared by drying Chinese flowering crabapple barks, then carrying out superfine grinding, adding the dried Chinese flowering crabapple barks, adding 3 times of ethanol solution with the mass concentration of 78% by volume for carrying out ethanol extraction for 3 minutes, carrying out microwave-assisted ethanol extraction during the ethanol extraction, wherein the microwave power is 350W, filtering the extracted Chinese flowering crabapple barks, taking first filtrate, taking 180 ml of the first filtrate, adding 2g of amylase into the first filtrate, carrying out Soxhlet reflux extraction for 3 times, filtering the obtained second filtrate, extracting the obtained second filtrate at the constant temperature of 35 ℃ for 10 minutes every time, and combining the second filtrates obtained after;
the hibiscus syriacus extracting solution is prepared by mashing fresh hibiscus syriacus flowers, adding 4 times of water by volume, decocting for 28 minutes, performing rotary centrifugal separation, centrifuging for 4 minutes at the centrifugal speed of 2000r/min, separating solid substances, removing filtrate, performing decoction and rotary centrifugal separation for 3 times, combining the filtrates obtained after 3 times, filtering the combined filtrate by three layers of gauze, repeating for 3 times, and combining the filtrates to obtain the hibiscus syriacus extracting solution;
the extract of the bidens tripartita is prepared by drying whole bidens tripartita, crushing, sieving with a 10-mesh sieve, adding 3-5 times of water, carrying out reflux extraction in a water bath at 33 ℃ for 1.8 hours, filtering to obtain a filtrate, carrying out reflux extraction for 3 times, combining the bidens tripartita filtrate, adding pectinase, cellulase and water into filter residues, carrying out countercurrent extraction at 34 ℃ for 45 minutes to obtain a bidens tripartita filter residue solution, and mixing the tripartita filtrate and the tripartita filter residue solution to obtain the extract of the bidens tripartita;
(2) land preparation: selecting a hill which is fertile in soil and has a slope of 10 degrees for planting eucalyptus, wherein the row spacing for planting the eucalyptus is 3.7 meters and the plant spacing is 3.8 meters, after planting for one year, forming a ditch with the depth of 10 centimeters between the eucalyptus, then adding a base fertilizer, then sowing the treated purple elephant grass seed stems into the ditch, turning over soil to cover the purple elephant grass seed stems, watering until the water content is 60 percent, wherein the distance between every two plants of the purple elephant grass seed stems sowed in each row is 38 centimeters, observing the growth vigor of the seed stems after sowing for 10 days, and performing seedling supplementing treatment,
(3) field management:
a. spraying a foliar fertilizer to the purple elephant grass after the seedlings growing from the seed stems of the purple elephant grass are 20-30 cm high, wherein the fertilizing amount is 135 kg/mu; the foliar fertilizer is prepared by fermenting and decaying eucalyptus dead leaves, soaking the fermented eucalyptus dead leaves in water for 1 day, filtering the fermented eucalyptus dead leaves to obtain a nutrient solution, and mixing 38 parts of the nutrient solution, 8 parts of ammonium sulfate, 6 parts of urea, 4 parts of potassium sulfate, 7 parts of monopotassium phosphate, 0.4 part of fatty acid polyoxyethylene ester, 38 parts of water, 0.7 part of nekal, 0.9 part of polycarboxylate and 1.5 parts of xanthan gum according to parts by weight;
b. after the purple elephant grass is as high as 40-50 cm, herbicide is sprayed on the planting field for weeding, and the spraying amount is 57 kilograms per mu;
c. after 2-3 days of weeding treatment, digging a fertilizing ring with the width of 5 cm and the depth of 10 cm by taking a position 20 cm away from the stem of the purple elephant grass as a circle center, then applying top dressing, wherein the fertilizing amount of each fertilizing ring is 0.4 kg, digging a fertilizing ring with the width of 20 cm and the depth of 20 cm for eucalyptus by taking a position 40 cm away from the stem of the purple elephant grass as a circle center, then applying top dressing, wherein the fertilizing amount of each fertilizing ring is 0.6 kg, weighing 15% of tea tree meal, 15% of soybean hull, 15% of phosphorus tailings, 16% of cassava residue, 16% of rotten eucalyptus deadwood branches, 6% of orange peel water extract, 6% of grape skin water extract, 9% of bacillus subtilis, 6% of lactobacillus plantarum and 6% of cellulose bacillus, mixing and then fermenting, controlling the fermentation temperature to be 35 +/-2 ℃, and fermenting at constant temperature for 5-10 days to obtain the top dressing;
d. spraying insect repellents to eucalyptus and purple grassiness at intervals of 10 days, wherein the spraying amount is 56 kg/mu; the insect repellant is prepared by mixing 8 parts of Galium verum, 4 parts of Artemisia argyi, 5 parts of mint, 7 parts of aloe and 7 parts of hot pepper, and adding 19 parts of water;
adding 2 times of water into fresh cabbages, performing reflux extraction for 2 hours, adding 2 times of ethanol solution with the mass fraction of 75% in volume, performing water bath extraction for 30 minutes at 38 ℃, filtering and collecting filtrate to obtain a cabbages extracting solution;
wherein the folium Artemisiae Argyi is prepared by adding 100g of folium Artemisiae Argyi whole plant into 300 g of water, heating and decocting for 30 min, filtering to obtain filtrate to obtain folium Artemisiae Argyi extract;
wherein the mint is prepared by mashing fresh mint leaves, adding 2 times of ethanol solution with the volume and mass fraction of 75% into the mint leaves, extracting the mixture for 30 minutes at 30 ℃ under reflux for 3 times, and combining the filtrates obtained after 3 times of filtration;
wherein the aloe is prepared by mashing fresh aloe, adding 2 times of ethanol solution with volume and mass fraction of 75% at 30 deg.C, reflux-extracting for 30 min for 3 times, and mixing the filtrates after 3 times of filtration to obtain aloe extractive solution;
wherein, the dried pepper is crushed by the pepper, 0.5 time of water is added for soaking for 1.4 hours until the water content of the dried pepper reaches more than 60 percent, 2 times of ethanol solution with the volume and mass fraction of 75 percent is added for reflux extraction for 30 minutes at 30 ℃, the extraction is carried out for 3 times totally, and the filtered filtrate of 3 times is merged;
(4) harvesting: and (4) harvesting the purple elephant grass after the purple elephant grass grows to 100 cm, and repeating the step (3) of field management after the purple elephant grass grows new seedlings again.
Test group 1:
the same procedure as in example 4, except that the foliar fertilizer was applied using a foliar fertilizer purchased from the market under patent No. 201310670843.8 in accordance with the instructions for the operation.
The foliar fertilizers of example 4, CK and test group 1 were sprayed, and the leaf surface fertility and the nutrient ratio increased in the leaves of the foliar fertilizers of 3 purple elephant grass were randomly investigated for 1 day, 2 days, and 3 days after the foliar fertilizer was sprayed (no additional fertilizer was applied for 3 days after the foliar fertilizer was sprayed), as shown in table 4:
TABLE 4
As can be seen from the above table, the foliar fertilizer of the present application has more excellent absorption rate than the foliar fertilizer, and the fertility of the leaf surface: the nutrition ratios increased in the leaf surfaces are different, and the example 4 is greater than the test group 1 is greater than CK, which shows that the foliar fertilizer has stronger adhesive capacity; from CK, no leaf fertilizer is applied, but the nutrient components in leaves are increased, the photosynthesis of the own plant is carried out, and the organic matters in soil are contained before, which accords with the reasoning.
The above examples merely represent some embodiments of the present invention, which are described in more detail and in more detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (3)
1. The interplanting method of the purple elephant grass and the eucalyptus is characterized by comprising the following steps: the method specifically comprises the following steps:
(1) treating purple elephant grass seed stems: cutting mature purple elephant grass seed stems into two sections, selecting a section of two-bud seed stems, soaking the seed stems in an antibacterial solution for 0.5-1.5 minutes, taking out the seed stems, naturally airing the seed stems,
the antibacterial liquid is prepared by mixing the following raw materials in parts by weight, 1-5 parts of crab apple extract, 3-8 parts of shrubalthea extract, 3-5 parts of bidens tripartita extract, 80-100g/L brown sugar and 10-15g/L compound sodium nitrophenolate;
the Chinese flowering crabapple extracting solution is prepared by drying Chinese flowering crabapple barks, then carrying out ultramicro wave crushing, adding 2-3 times of ethanol solution with the mass concentration of 70% -80% by volume, carrying out ethanol extraction for 3-5 minutes, carrying out microwave-assisted ethanol extraction during the ethanol extraction, wherein the microwave power is 350-;
the hibiscus syriacus extracting solution is prepared by mashing fresh hibiscus syriacus flowers, adding 3-5 times of water by volume, decocting for 20-30 minutes, carrying out rotary centrifugal separation, carrying out centrifugation at 2000r/min for 2-5 minutes to separate solid substances, taking filtrate, carrying out 2 times of decoction and rotary centrifugal separation on the solid substances, combining the 3 times of filtrate, carrying out three-layer gauze filtration on the combined filtrate, and repeatedly filtering for 2-3 times;
the extract of the bidens tripartita is prepared by drying whole bidens tripartita, crushing, sieving with a 10-mesh sieve, adding 3-5 times of water, carrying out reflux extraction in a water bath at 32-35 ℃ for 1-2 hours, filtering, taking filtrate, carrying out reflux extraction for 2-3 times, combining the bidens tripartita filtrate, adding pectinase, cellulase and water into filter residue, carrying out countercurrent extraction at 32-35 ℃ for 30-50 minutes to obtain a bidens tripartita filter residue liquid, and mixing the tripartita filtrate and the tripartita filter residue liquid to obtain the extract of the bidens tripartita;
(2) land preparation: selecting a hill with fertile soil and a slope of 10 degrees for planting eucalyptus, wherein the row spacing for planting the eucalyptus is 3.5-4 meters, the plant spacing is 3.5-4 meters, after planting for one year, forming a ditch with the depth of 10 centimeters between the eucalyptus, then adding a base fertilizer, then broadcasting the treated purple elephant grass seed stems in the ditch, turning soil to cover the purple elephant grass seed stems, watering until the water content is 60%, the distance between every two plants of the purple elephant grass seed stems sowed in each row is 30-40 centimeters, observing the growth vigor of the seed stem seedlings after sowing for 10 days, and performing seedling supplementing treatment,
(3) field management:
a. spraying a foliar fertilizer to the purple elephant grass after the seedlings growing from the seed stems of the purple elephant grass are 20-30 cm high, wherein the fertilizing amount is 100 and 150 kilograms per mu;
b. after the purple elephant grass is 40-50 cm high, herbicide is sprayed on the planting field for weeding, and the spraying amount is 50-60 kilograms per mu;
c. digging a fertilizing ring with the width of 5 cm and the depth of 10 cm at a position 20 cm away from the purple elephant grass stem by taking the purple elephant grass stem as the center of a circle 2-3 days after weeding treatment, then applying additional fertilizer, wherein the fertilizing amount of each fertilizer is 0.3-0.6 kg, digging a fertilizing ring with the width of 20 cm and the depth of 20 cm at a position 40 cm away from the trunk by taking the eucalyptus tree as the center of a circle, then applying additional fertilizer, wherein the fertilizing amount of each fertilizer is 0.5-0.8 kg,
the additional fertilizer is prepared by the following method: weighing 10-15% of tea plant meal, 10-15% of soybean hulls, 10-15% of phosphate tailings, 15-20% of cassava residues, 15-20% of rotten eucalyptus dead branches, 5-10% of orange peel water extract, 5-10% of grape peel water extract, 5-10% of bacillus subtilis, 2-8% of lactobacillus plantarum and 3-8% of cellulose bacillus according to weight percentage, mixing, fermenting at the constant temperature of 35 +/-2 ℃ for 5-10 days to obtain additional fertilizer;
d. spraying insect repellents to the eucalyptus and the purple elephant grass every 10 days, wherein the spraying amount is 50-60 kilograms/mu;
(4) harvesting: and (4) harvesting the purple elephant grass after the purple elephant grass grows to 100-110 cm, and repeating the step (3) of field management after the purple elephant grass grows new seedlings again.
2. The method for interplanting purple grassiness and eucalyptus as claimed in claim 1, wherein the method comprises the following steps: the foliar fertilizer is prepared by the following method: fermenting and decaying eucalyptus dead leaves, soaking the decayed eucalyptus dead leaves in water for 1-2 days, filtering the decayed eucalyptus dead leaves to obtain a nutrient solution, and mixing 30-50 parts of the nutrient solution, 5-10 parts of ammonium sulfate, 3-8 parts of urea, 3-8 parts of potassium sulfate, 3-8 parts of monopotassium phosphate, 0.1-0.5 part of fatty acid polyoxyethylene ester, 30-40 parts of water, 0.1-1 part of nekal, 0.1-1 part of polycarboxylate and 0.1-2 parts of xanthan gum according to parts by weight to obtain the foliar fertilizer.
3. The method for interplanting purple grassiness and eucalyptus as claimed in claim 1, wherein the method comprises the following steps: the insect repellent is prepared from the following raw materials in parts by weight: 5-10 parts of caraway, 3-5 parts of mugwort, 3-8 parts of mint, 5-8 parts of aloe and 5-8 parts of hot pepper.
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