CN106941920B - Planting method for improving survival rate of pasture in stony desertification area - Google Patents
Planting method for improving survival rate of pasture in stony desertification area Download PDFInfo
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- 238000003825 pressing Methods 0.000 claims description 15
- 241000196324 Embryophyta Species 0.000 claims description 12
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- 239000004459 forage Substances 0.000 claims description 11
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- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 10
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 10
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 10
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- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 5
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/06—Coating or dressing seed
-
- 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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- 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
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D5/00—Fertilisers containing magnesium
-
- 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
- C05G5/23—Solutions
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P39/00—Processes involving microorganisms of different genera in the same process, simultaneously
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Genetics & Genomics (AREA)
- Environmental Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
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- Pest Control & Pesticides (AREA)
- Botany (AREA)
- Cultivation Of Plants (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention discloses a planting method for improving the survival rate of pasture in a stony desertification area, which is characterized in that pasture seeds are wrapped by a biological cellulose membrane and then sown, on one hand, the pasture seeds are wrapped in the biological cellulose membrane, the weight of the pasture seeds is increased, the grass seeds can be effectively prevented from being blown away by wind or washed away by rainwater, and on the other hand, the biological cellulose membrane is placed in nutrient solution required by the growth of the grass seeds by utilizing the higher water holding capacity of the biological cellulose membrane, so that the biological cellulose membrane adsorbs the nutrient solution and provides necessary nutrient substances and water for rooting and sprouting of the grass seeds, meanwhile, the rooting and sprouting time of the pasture is shortened, the coverage of the pasture in the stony desertification area is effectively improved, and a new scientific solution way and thought are provided for the stony desertification control.
Description
Technical Field
The invention belongs to the technical field of ecological management, and particularly relates to a planting method for improving the survival rate of pasture in a stony desertification area.
Background
Rocky desertification is short for rocky desertification, and refers to that in a karst fragile ecological environment, vegetation is continuously damaged for a long time due to unreasonable social and economic activities of human beings, large-area steep slopes are used for desertification to cause bare earth surfaces, soil layers in karst rocky mountain areas are thin, bedrocks are exposed shallowly, the rainstorm scouring force is strong, rocks are gradually exposed after a large amount of water and soil are lost, the rocky desertification phenomenon is shown, and the rocky desertification degree and the rocky desertification area are continuously deepened and developed along with the lapse of time. The comprehensive stony desertification control is a key ecological construction project approved by the state institute, the project implementation takes a river basin as a unit, and the stony desertification is comprehensively controlled by controlling measures such as recovering forest and grass vegetation, building animal husbandry development facilities, slope changing ladders and supporting field production facilities, water and soil conservation facilities and the like, so that a damaged natural ecological system is gradually recovered. Wherein the pasture grass is planted and is an important link in stony desertification comprehensive control, but because the special geographical environment in stony desertification area, the soil horizon is thin, the rain wash is strong, soil water holding capacity is poor, wind-force is big, consequently adopt the mode of traditional direct scattering to plant the pasture grass survival rate low, after the pasture grass seed is scattered, because the pasture grass seed is lighter, easily blown away by the wind, no seed falls into the stone cracks, no moisture and soil can't take root and sprout, the patent "a plateau stony desertification area pasture grass planting method" patent no: CN201610800883.3 is that grass seeds are mixed with soil, dissolved fertilizer, water and chopped straw to form slurry, and then the slurry is sowed in the stony desertification area to complete the grass planting in the plateau stony desertification area. The method can prevent grass seeds from being washed away by rainwater, but has the disadvantages that the slurry wrapping the seeds is quickly dehydrated and becomes dry and hard after being directly irradiated by the sun, the seeds are difficult to germinate in the dry and hard slurry, and therefore, the method is difficult to ensure the germination of the seeds in a drought season. Therefore, in the stony desertification control, how to improve the survival rate of the grass planting, the problem that the grass is blown away by wind or washed away by rain after being sowed can be effectively solved, and necessary nutrient substances and water can be provided for the rooting and sprouting of the grass.
Biocellulose has unique properties. It has stronger water absorption and viscosity than plant fiber, and can combine water 60-700 times larger than self-drying weight. At present, microbial cellulose enters a practical stage in the manufacture of products such as sound vibration membranes, high-strength paper, textile fibers, food, novel wound packing materials, artificial skin and the like, has very wide commercial application potential in many other aspects, and is not developed and utilized in breeding.
Disclosure of Invention
The invention aims to solve the problems that in the current stony desertification control, the seeds of the pasture are easy to be scraped away by wind and washed away by rain water after being sowed in the pasture planting process, and meanwhile, the pasture lacks of necessary nutrient substances and moisture for rooting and sprouting in the stony desertification environment, and the factors cause the low planting survival rate of the pasture.
The purpose of the invention and the main technical problem of solving the invention are realized by adopting the following technical scheme: a planting method for improving the survival rate of pasture in a stony desertification area comprises the following steps:
step A: preparing a substrate membrane, injecting a culture solution containing a microbial inoculum into a fermentation plate, statically culturing the fermentation plate for 5-8 days at the temperature of 20-30 ℃, and pouring out the culture solution containing the microbial inoculum from the fermentation plate when the thickness of the substrate membrane is 1-2cm to finish the preparation of the substrate membrane;
the culture solution containing the microbial inoculum is prepared from the following components in percentage by mass: 2-10 parts of glucose, 5-8 parts of peptone, 1-3 parts of inorganic salt, 50-90 parts of water and 0.3-0.7 part of microbial inoculum; the microbial inoculum is prepared by mixing three bacteria powders of yeast powder, acetobacter xylinum powder and plant lactobacillus powder according to the mass ratio: 1-2 parts of yeast powder, 2-3 parts of wood vinegar bacillus powder and 1-2 parts of plant lactobacillus powder are mixed in proportion to obtain mixed bacteria powder, and then the mixed bacteria powder, 5-10 parts of white sugar and 80-90 parts of purified water at the temperature of 20-30 ℃ are prepared to obtain a microbial inoculum;
and B: embedding pasture seeds, uniformly scattering the pasture seeds on the surface of a matrix membrane, then spraying a culture solution containing a microbial inoculum on the surface of the matrix membrane, statically fermenting at 28-30 ℃, spraying the culture solution once every other day until the thickness of a covering film on the surface of the pasture seeds is 1-2cm, and completing the pasture seed embedding process by fermentation culture;
and C: absorbing nutrient solution, namely pressing a film of the biological cellulose film wrapped with the grass seeds, placing the film in nutrient solution required by seed germination, and cutting the biological cellulose film into small pieces for later use after the biological cellulose film absorbs the nutrient solution and expands to the thickness before pressing the film; the nutrient solution is prepared from the following components in percentage by mass: adding 0.3-0.5 g of urea, 0.5-0.8 g of monopotassium phosphate, 0.3-0.7 g of magnesium sulfate and 0.5-0.9 g of calcium sulfate into 1 liter of water to prepare the water-soluble fertilizer;
d, sowing: sowing the biological cellulose membrane wrapped with the forage grass seeds into a stony desertification area, covering with covering soil with the thickness of 1-5cm, and finishing the planting of the forage grass in the stony desertification area.
Wherein the preservation condition of the microbial inoculum is to store under a freezing condition of 18 ℃ below zero, and the preservation condition of the culture solution containing the microbial inoculum is to refrigerate under a condition of 0 ℃ to 10 ℃. The biological cellulose wrapped with the grass seeds is 1-2cm wide and 3-5cm long. The film pressing is that the biological cellulose film wrapped with grass seeds is flatly laid on a stainless steel flat plate, the other stainless steel flat plate is pressed on the surface of the stainless steel flat plate, and the film pressing process can be completed after moisture in the film is pressed out. The forage grass is one or two of corn grass, pennisetum hydridum, sweet elephant grass, green bristlegrass, alfalfa and clover
Compared with the prior art, the invention has obvious advantages and beneficial effects. According to the technical scheme, the pasture grass seeds are wrapped by the biological cellulose membrane and then sown, on one hand, the pasture grass seeds are wrapped in the biological cellulose membrane, so that the weight of the pasture grass seeds is increased, the pasture grass seeds can be effectively prevented from being blown away by wind or washed away by rainwater, on the other hand, the biological cellulose membrane is placed in nutrient solution required by the growth of the pasture grass seeds by utilizing the high water holding capacity of the biological cellulose membrane, so that the biological cellulose membrane adsorbs the nutrient solution, and necessary nutrient substances and water are provided for rooting and sprouting of the pasture grass seeds.
To further verify that the present invention has significant substantial advances over the prior art, three comparative tests were performed:
the first group is that grass seeds are directly sown on a simulated stony desertification land environment according to a traditional mode, and the germination survival rate of the grass seeds is recorded for 10 days, 20 days and 30 days respectively;
the second group is that the grass seeds are wrapped in the slurry according to the patent (CN 201610800883.3) method, and are broadcast to the simulated stony desertification land environment, and the germination survival rate of the grass seeds is recorded for 10 days, 20 days and 30 days respectively;
the third group is the grass seeds, the grass seeds are wrapped in a biological cellulose membrane and are broadcast to a simulated stony desertification land environment, and the germination survival rate of the grass seeds is recorded for 10 days, 20 days and 30 days respectively;
different groups are obtained by comparison, and survival rate data at different times are shown in a table 1:
| group survival (%) | Survival rate of 10day | Survival rate of 20day | Survival rate of 30day |
| First group | 15 | 32 | 60 |
| Second group | 40 | 64 | 85 |
| Third group | 85 | 90 | 96 |
As can be seen from the data in Table 1, the third group of test methods is adopted to wrap the grass seeds in the biological cellulose membrane and broadcast the grass seeds to the simulated stony desertification land environment, so that the survival rate is greatly improved and the germination and survival time is shortened compared with the first group and the second group.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A planting method for improving the survival rate of pasture in a stony desertification area comprises the following steps:
firstly, preparing according to the following mass ratio: 2 parts of glucose, 6 parts of peptone, 1 part of inorganic salt, 90 parts of water and 0.3 part of microbial inoculum; the preparation of the microbial inoculum comprises three bacteria powders of yeast powder, acetobacter xylinum powder and plant lactic acid bacteria powder according to the mass ratio: 1 part of yeast powder, 2 parts of acetobacter xylinum powder and 1 part of plant lactobacillus powder are mixed in proportion to obtain mixed bacteria powder, and then the bacteria agent is prepared according to 1 part of mixed bacteria powder, 5 parts of white sugar and 80 parts of purified water at the temperature of 20-30 ℃; injecting a culture solution containing the microbial inoculum into a fermentation plate, statically culturing the fermentation plate for 5 days at the temperature of 20-30 ℃, and pouring out the culture solution containing the microbial inoculum from the fermentation plate when the thickness of the substrate membrane is 1cm to finish the preparation of the substrate membrane;
secondly, uniformly scattering grass seeds on the surface of a matrix membrane, spraying a culture solution containing a microbial inoculum on the surface of the matrix membrane, statically fermenting at 28 ℃, spraying the culture solution once every other day until the thickness of a covering film on the surface of the grass seeds is 1cm, and fermenting and culturing to finish the grass seed embedding process;
thirdly, after pressing the film of the biological cellulose film wrapped with the grass seeds, placing the film in nutrient solution required by seed germination, and cutting the biological cellulose film into small pieces for later use after the nutrient solution is absorbed by the biological cellulose film and expanded to the thickness before pressing the film; the nutrient solution is prepared according to the following mass ratio: adding 0.3 g of urea, 0.5 g of monopotassium phosphate, 0.3 g of magnesium sulfate and 0.5 g of calcium sulfate into 1 liter of water to prepare the water-soluble fertilizer;
and finally, sowing the biological cellulose membrane wrapped with the forage grass seeds into the stony desertification area, covering with covering soil with the thickness of 1cm, and finishing the planting of the forage grass in the stony desertification area.
Example 2
A planting method for improving the survival rate of pasture in a stony desertification area comprises the following steps:
firstly, preparing according to the following mass ratio: 5 parts of glucose, 6 parts of peptone, 2 parts of inorganic salt and 75 parts of water, and 0.5 part of microbial inoculum; the preparation of the microbial inoculum comprises three bacteria powders of yeast powder, acetobacter xylinum powder and plant lactic acid bacteria powder according to the mass ratio: 1.5 parts of yeast powder, 2.5 parts of wood vinegar bacillus powder and 1.5 parts of plant lactobacillus powder are mixed in proportion to obtain mixed bacteria powder, and then the microbial inoculum is prepared according to 2 parts of mixed bacteria powder, 7 parts of white sugar and 85 parts of purified water at the temperature of 20-30 ℃; injecting a culture solution containing the microbial inoculum into a fermentation plate, statically culturing the fermentation plate at 25 ℃ for 7 days, and pouring out the culture solution containing the microbial inoculum from the fermentation plate when the thickness of the substrate membrane is 1.5cm to complete the preparation of the substrate membrane;
secondly, uniformly scattering grass seeds on the surface of a matrix membrane, spraying a culture solution containing a microbial inoculum on the surface of the matrix membrane, statically fermenting at 29 ℃, spraying the culture solution once every other day until the thickness of a covering film on the surface of the grass seeds is 1.5cm, and fermenting and culturing to finish the grass seed embedding process;
thirdly, after pressing the film of the biological cellulose film wrapped with the grass seeds, placing the film in nutrient solution required by seed germination, and cutting the biological cellulose film into small pieces for later use after the nutrient solution is absorbed by the biological cellulose film and expanded to the thickness before pressing the film; the nutrient solution is prepared according to the following mass ratio: adding 0.4 g of urea, 0.6 g of monopotassium phosphate, 0.5 g of magnesium sulfate and 0.7 g of calcium sulfate into 1 liter of water to prepare the water-soluble fertilizer;
and finally, sowing the biological cellulose membrane wrapped with the forage grass seeds into the stony desertification area, covering with covering soil with the thickness of 3cm, and finishing the planting of the forage grass in the stony desertification area.
Example 3
A planting method for improving the survival rate of pasture in a stony desertification area comprises the following steps:
firstly, preparing according to the following mass ratio: 6 parts of glucose, 8 parts of peptone, 3 parts of inorganic salt, 50 parts of water and 0.7 part of microbial inoculum; the preparation of the microbial inoculum comprises three bacteria powders of yeast powder, acetobacter xylinum powder and plant lactic acid bacteria powder according to the mass ratio: 2 parts of yeast powder, 3 parts of acetobacter xylinum powder and 2 parts of plant lactobacillus powder are mixed in proportion to obtain mixed bacteria powder, and then the microbial inoculum is prepared according to the 3 parts of the mixed bacteria powder, 10 parts of white sugar and 90 parts of purified water at the temperature of 20-30 ℃; injecting a culture solution containing the microbial inoculum into a fermentation plate, statically culturing the fermentation plate for 8 days at the temperature of 20-30 ℃, and pouring out the culture solution containing the microbial inoculum from the fermentation plate when the thickness of the substrate membrane is 2cm to finish the preparation of the substrate membrane;
secondly, uniformly scattering grass seeds on the surface of a matrix membrane, spraying a culture solution containing a microbial inoculum on the surface of the matrix membrane, statically fermenting at 30 ℃, spraying the culture solution once every other day until the thickness of a covering film on the surface of the grass seeds is 2cm, and fermenting and culturing to finish the grass seed embedding process;
thirdly, after pressing the film of the biological cellulose film wrapped with the grass seeds, placing the film in nutrient solution required by seed germination, and cutting the biological cellulose film into small pieces for later use after the nutrient solution is absorbed by the biological cellulose film and expanded to the thickness before pressing the film; the nutrient solution is prepared according to the following mass ratio: adding 0.5 g of urea, 0.8 g of monopotassium phosphate, 0.7 g of magnesium sulfate and 0.9 g of calcium sulfate into 1 liter of water to prepare the water-soluble fertilizer;
and finally, sowing the biological cellulose membrane wrapped with the forage grass seeds into the stony desertification area, covering soil with the thickness of 5cm, and finishing the planting of the forage grass in the stony desertification area.
Claims (2)
1. A planting method for improving the survival rate of pasture in a stony desertification area is characterized by comprising the following steps:
step A: preparing a biological cellulose membrane, injecting a culture solution containing a microbial inoculum into a fermentation tray, statically culturing the fermentation tray for 5-8 days at the temperature of 20-30 ℃, and pouring out the culture solution containing the microbial inoculum from the fermentation tray when the thickness of the substrate membrane is 1-2cm to complete the preparation of the biological cellulose membrane; the culture solution containing the microbial inoculum is prepared from the following components in percentage by mass: 2-10 parts of glucose, 5-8 parts of peptone, 1-3 parts of inorganic salt, 50-90 parts of water and 0.3-0.7 part of microbial inoculum; the microbial inoculum is prepared by mixing three bacteria powders of yeast powder, acetobacter xylinum powder and plant lactobacillus powder according to the mass ratio: 1-2 parts of yeast powder, 2-3 parts of wood vinegar bacillus powder and 1-2 parts of plant lactobacillus powder are mixed in proportion to obtain mixed bacteria powder, and then the mixed bacteria powder, 5-10 parts of white sugar and 80-90 parts of purified water at the temperature of 20-30 ℃ are prepared to obtain a microbial inoculum;
and B: embedding pasture seeds, uniformly scattering the pasture seeds on the surface of a biological cellulose membrane, then spraying a culture solution containing a microbial inoculum on the surface of a matrix membrane, statically fermenting at 28-30 ℃, spraying the culture solution once every other day until the thickness of a covering film on the surface of the pasture seeds is 1-2cm, and completing the pasture seed embedding process by fermentation culture;
and C: adsorbing nutrient solution, namely pressing the biological cellulose membrane wrapped with the grass seeds into a film, placing the film into nutrient solution required by seed germination, and cutting the film into small blocks after the substrate film adsorbs the nutrient solution and expands to the thickness before pressing the film to obtain biological cellulose membrane blocks; the nutrient solution is prepared from the following components in percentage by mass: adding 0.3-0.5 g of urea, 0.5-0.8 g of monopotassium phosphate, 0.3-0.7 g of magnesium sulfate and 0.5-0.9 g of calcium sulfate into 1 liter of water to prepare the water-soluble fertilizer;
d, sowing: sowing the biological cellulose membrane blocks wrapped with the forage grass seeds into a stony desertification area, covering with covering soil with the thickness of 1-5cm, and finishing the planting of the forage grass in the stony desertification area;
wherein the preservation condition of the microbial inoculum in the step A is-18 ℃, and the preservation condition of the culture solution is 0-10 ℃;
wherein the width of the biological cellulose membrane block wrapped with the pasture seeds in the step C is 1-2cm, and the length is 3-5 cm;
and D, pressing the film, namely spreading the biological cellulose film wrapped with the grass seeds on a stainless steel flat plate, pressing the other stainless steel flat plate on the surface of the stainless steel flat plate, and finishing the film pressing process after the water in the film is pressed out.
2. The planting method for improving the survival rate of the pasture grass in the stony desertification area as claimed in claim 1, wherein the pasture grass refers to any one or a combination of two of corn grass, pennisetum hydridum, pennisetum purpureum, setaria viridis, medicago sativa and clover.
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| CN103483050A (en) * | 2012-06-12 | 2014-01-01 | 钟春燕 | Use of biological cellulose gel as potted plant soil substitute |
| CN104541924A (en) * | 2015-02-02 | 2015-04-29 | 孙宁 | Method for aero sowing in desert area |
| WO2015145442A2 (en) * | 2014-03-27 | 2015-10-01 | Melodea Ltd. | Nanocrystaline cellulose as absorbent and encapsulation material |
| CN106358728A (en) * | 2016-09-04 | 2017-02-01 | 云南省能源研究院有限公司 | Plateau stony desertification region pasture planting method |
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| CN103483050A (en) * | 2012-06-12 | 2014-01-01 | 钟春燕 | Use of biological cellulose gel as potted plant soil substitute |
| WO2015145442A2 (en) * | 2014-03-27 | 2015-10-01 | Melodea Ltd. | Nanocrystaline cellulose as absorbent and encapsulation material |
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