CN114051885A - Method for improving survival rate of steep slope tree planting in arid region - Google Patents
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- 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
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- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
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Abstract
The invention provides a method for improving the survival rate of steep slope tree planting in arid regions, which comprises the steps of mixing mushroom residues, okra fermented wine residues, wormcast and starch wastewater to obtain a mixture, carrying out enzymolysis to obtain a mixed matrix, inoculating a composite microbial inoculum into the mixed matrix, and fermenting to obtain a coating material; mixing clay, corn straw powder and lignin to prepare a filler; then, fully coating the roots of the drought-enduring saplings with the coating materials to obtain mud drought-enduring saplings; and finally, digging a pit on the steep slope, vertically placing the drought-enduring sapling with mud in the pit, filling the pit with filler, sequentially pouring a sodium metaaluminate solution and an aluminum chloride solution, and standing and curing. The tree planting method effectively improves the survival rate of the saplings and has very important significance for controlling the water and soil loss of the steep slope in the arid region.
Description
Technical Field
The invention relates to the technical field of tree planting, in particular to a method for improving the survival rate of steep slope tree planting in arid regions.
Background
The water evaporation capacity in the arid area is large, the climate is dry, large dry wind exists all the year round, the steep slope in the arid area has large gradient, the surface of the steep slope is easy to be stripped and blown away by the dry wind, and the water and soil loss is serious. The tree planting is one of effective means for controlling water and soil loss, but the tree planting in a steep slope in a drought area is difficult and serious.
The steep slope in arid area has two big characteristics of poor soil texture and big slope, because the poor soil texture, the survival rate of direct planting trees is extremely low, even if survived, because the slope is big, before planting trees root system thoroughly firm yet, because the gravity action is along with the landing of surface earthing or even break away from very easily, can't realize the good management to soil erosion naturally.
Because the evaporation capacity of water in the arid area is very large, the survival rate of trees is low in the traditional tree planting and forestation, and a large amount of water needs to be consumed in the process from planting to survival, which is undoubtedly not matched with the actual situation of the arid area. The patent CN104170698B discloses a method for planting trees in arid and semi-arid regions, which adopts a sowing method to replace a common method for planting trees, and specifically comprises the steps of seed selection, sowing, plant fixing and management and protection. However, the germination rate of the seeds directly restricts the survival rate of the final seed trees, and on a steep slope in a drought area, the germination environment of the seeds is very severe, so that the final survival rate is difficult to guarantee.
Disclosure of Invention
The invention aims to provide a method for improving the survival rate of the tree planted on the steep slope in the arid area, which has high survival rate and very important significance for treating the water and soil loss of the steep slope in the arid area.
In order to achieve the purpose, the invention is realized by the following scheme:
a method for improving the survival rate of steep slope tree species in arid regions comprises the following specific steps:
(1) mixing mushroom residue, okra fermented wine residue, wormcast and starch wastewater to obtain a mixture, carrying out enzymolysis to obtain a mixed matrix, inoculating the composite microbial inoculum into the mixed matrix, and fermenting to obtain a coating material;
(2) mixing clay, corn straw powder and lignin to prepare a filler;
(3) fully coating the roots of the drought-resistant seedlings by using the coating material obtained in the step (1) to obtain mud drought-resistant seedlings;
(4) finally, digging a pit on the steep slope, vertically placing the mud-bearing drought-enduring sapling obtained in the step (3) in the pit, filling the pit with the filler obtained in the step (2), sequentially pouring a sodium metaaluminate solution and an aluminum chloride solution, and standing and curing;
wherein the complex microbial inoculum comprises: paenibacillus polymyxa 5-7 x 109cfu/mL, 8-9X 10 Agaricus campestris Pseudomonas8cfu/mL, 6-8 × 10 Armillaria mellea6cfu/mL。
Preferably, the gradient of the steep slope is 70-80 degrees.
Preferably, in the step (1), the mass ratio of the mushroom residue, the okra fermented wine residue, the wormcast and the starch wastewater is 100: 50-60: 20-30: 45-55.
Preferably, in the step (1), the specific method for enzymolysis comprises the following steps: adding 1.5-1.7 parts of cellulase and 0.8-1 part of hemicellulase into 200-210 parts of the mixture, performing first enzymolysis, adding 1.6-1.8 parts of pectinase and 1.1-1.3 parts of papain, and performing second enzymolysis.
Further preferably, the process conditions of the first enzymolysis are as follows: the pH value is 7.5-8.5, the temperature is 40-50 ℃, and the enzymolysis time is 2-3 hours; the technological conditions of the second enzymolysis are as follows: the pH value is 5-6, the temperature is 35-45 ℃, and the enzymolysis time is 2-3 hours.
Preferably, in the step (1), the fermentation process conditions are as follows in parts by weight: and (3) inoculating 4-5 parts of the composite microbial inoculum into 200 parts of the mixed matrix, uniformly stirring, and fermenting for 8-10 hours at 40-50 ℃.
Preferably, in the step (2), the mass ratio of the clay to the corn straw powder to the lignin is 55-65: 25-35: 5 to 10.
Preferably, in the step (3), the drought-enduring sapling is selected from any one of pinus sylvestris, pinus massoniana, sabina vulgaris or biota orientalis.
Preferably, in the step (3), all the tree roots are completely covered by the covering material, and the tree roots are formed into a ball shape with the diameter of 30-40 cm.
Preferably, in the step (4), the pit digging specific method is as follows: a plurality of vertical pits are dug at intervals on the steep slope at the same interval, the diameter of each pit is 70-80 cm, and the depth of each pit is 80-90 cm.
Preferably, in the step (4), the concentrations of the sodium metaaluminate solution and the aluminum chloride solution are respectively 20-30%, and the mass ratio of the sodium metaaluminate solution to the aluminum chloride solution is 2-2.5: 1.
preferably, in the step (4), the pouring amount of the aluminum chloride solution in each pit is 10-15 g.
Compared with the prior art, the invention has the beneficial effects that:
(1) mixing mushroom residues, okra fermented wine residues, wormcast and starch wastewater to obtain a mixture, carrying out enzymolysis to obtain a mixed matrix, inoculating a composite microbial inoculum into the mixed matrix, and fermenting to obtain a coating material; mixing clay, corn straw powder and lignin to prepare a filler; then, fully coating the roots of the drought-enduring saplings with the coating materials to obtain mud drought-enduring saplings; and finally, digging a pit on the steep slope, vertically placing the drought-enduring sapling with mud in the pit, filling the pit with filler, sequentially pouring a sodium metaaluminate solution and an aluminum chloride solution, and standing and curing. The tree planting method effectively improves the survival rate of the saplings and has very important significance for controlling the water and soil loss of the steep slope in the arid region.
(2) The drought-resistant tree seedlings are selected, have certain drought resistance, can adapt to the environment of drought areas, and ensure the basic survival rate. The invention relates to a method for planting trees on a steep slope in an arid area, which mainly solves the two problems of fast water evaporation and displacement before rooting.
(3) The coating material is prepared by taking mushroom residue, okra fermented wine residue, wormcast and starch wastewater as raw materials and performing enzymolysis and fermentation treatment, has rich pores, good air permeability and better water storage property, contains rich viscous polysaccharide and the like, has a protective effect on root systems, promotes the growth of the root systems, and improves the survival rate of tree planting.
(4) The filler is prepared from clay, corn straw powder, lignin and the like serving as raw materials, has rich pores and good air permeability, also has certain water storage property, promotes root growth, plays a certain fixing role, is combined with a sodium metaaluminate solution and an aluminum chloride solution which are poured subsequently, and reacts to generate aluminum glue, so that the fixing function is strengthened, the water evaporation is reduced, and the survival rate of the planted trees is further improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The paenibacillus polymyxa related by the invention is purchased from Shandong Nuojie Biotech limited; pseudomonas mushroom, available from Shanghai research industries, Inc.; armillaria mellea was purchased from Shanghai Biotech Co., Ltd.
Example 1
A method for improving the survival rate of steep slope tree species in arid regions comprises the following specific steps:
(1) mixing 100g of mushroom residue, 60g of okra fermented wine residue, 20g of wormcast and 55g of starch wastewater to obtain a mixture, performing enzymolysis to obtain a mixed matrix, inoculating the composite microbial inoculum into the mixed matrix, and fermenting to obtain a coating material;
(2) mixing 55g of clay, 35g of corn straw powder and 5g of lignin to prepare a filler;
(3) then, fully coating the roots of drought-resistant seedlings (pinus sylvestris) by using the coating material obtained in the step (1) (completely coating all the roots inside the coating material) and forming balls with the diameter of 40cm to obtain mud drought-resistant seedlings;
(4) finally, digging a pit on the steep slope, vertically placing the mud-bearing drought-enduring sapling obtained in the step (3) in the pit, filling the pit with the filler obtained in the step (2), sequentially pouring a sodium metaaluminate solution and an aluminum chloride solution, and standing and curing;
wherein the complex microbial inoculum comprises: paenibacillus polymyxa 5 x 109cfu/mL, Pseudomonas mushroom 9X 108cfu/mL, Armillaria mellea 6X 106cfu/mL。
In the step (1), the specific method of enzymolysis is as follows: adding 1.5g of cellulase and 1g of hemicellulase into 210g of the mixture, carrying out first enzymolysis, then adding 1.6g of pectinase and 1.3g of papain, and carrying out second enzymolysis.
The technological conditions of the first enzymolysis are as follows: pH 7.5, 50 deg.C, enzymolysis time 2 hours; the technological conditions of the second enzymolysis are as follows: the pH was 6, the temperature 35 ℃ and the enzymatic hydrolysis time 3 hours.
In the step (1), the fermentation process conditions are as follows: inoculating 4g of the complex microbial inoculum into 200g of the mixed matrix, uniformly stirring and fermenting for 8 hours at 50 ℃.
In the step (4), the concrete method for digging the pit comprises the following steps: a plurality of vertical pits are dug at intervals on the steep slope at the same interval, the diameter of each pit is 80cm, and the depth of each pit is 80 cm.
In the step (4), the concentration of the sodium metaaluminate solution and the concentration of the aluminum chloride solution are respectively 30%, the pouring amount of the sodium metaaluminate solution is 20g, and the pouring amount of the aluminum chloride solution is 10g in each pit.
Example 2
A method for improving the survival rate of steep slope tree species in arid regions comprises the following specific steps:
(1) mixing 100g of mushroom residue, 50g of okra fermented wine residue, 30g of wormcast and 45g of starch wastewater to obtain a mixture, performing enzymolysis to obtain a mixed matrix, inoculating the composite microbial inoculum into the mixed matrix, and fermenting to obtain a coating material;
(2) then mixing 65g of clay, 25g of corn straw powder and 10g of lignin to prepare a filler;
(3) then, fully coating the roots of drought-resistant seedlings (pinus sylvestris) by using the coating material obtained in the step (1) (completely coating all the roots inside the coating material) and forming balls with the diameter of 30cm to obtain mud drought-resistant seedlings;
(4) finally, digging a pit on the steep slope, vertically placing the mud-bearing drought-enduring sapling obtained in the step (3) in the pit, filling the pit with the filler obtained in the step (2), sequentially pouring a sodium metaaluminate solution and an aluminum chloride solution, and standing and curing;
wherein the complex microbial inoculum comprises: paenibacillus polymyxa 7 x 109cfu/mL, Pseudomonas mushroom 8X 108cfu/mL, Armillaria mellea 8X 106cfu/mL。
In the step (1), the specific method of enzymolysis is as follows: adding 1.7g of cellulase and 0.8g of hemicellulase into 200g of the mixture, carrying out first enzymolysis, adding 1.8g of pectinase and 1.1g of papain, and carrying out second enzymolysis.
The technological conditions of the first enzymolysis are as follows: the pH value is 8.5, the temperature is 40 ℃, and the enzymolysis time is 3 hours; the technological conditions of the second enzymolysis are as follows: the pH was 5, the temperature 45 ℃ and the enzymatic hydrolysis time 2 hours.
In the step (1), the fermentation process conditions are as follows: inoculating 5g of the composite microbial inoculum into 200g of the mixed matrix, uniformly stirring and fermenting for 10 hours at 45 ℃.
In the step (4), the concrete method for digging the pit comprises the following steps: a plurality of vertical pits are dug at intervals on the steep slope at the same interval, the diameter of each pit is 70cm, and the depth of each pit is 90 cm.
In the step (4), the concentration of the sodium metaaluminate solution and the concentration of the aluminum chloride solution are respectively 20%, the pouring amount of the sodium metaaluminate solution is 37.5g, and the pouring amount of the aluminum chloride solution is 15g in each pit.
Example 3
A method for improving the survival rate of steep slope tree species in arid regions comprises the following specific steps:
(1) mixing 100g of mushroom residue, 55g of okra fermented wine residue, 25g of wormcast and 50g of starch wastewater to obtain a mixture, performing enzymolysis to obtain a mixed matrix, inoculating the composite microbial inoculum into the mixed matrix, and fermenting to obtain a coating material;
(2) then mixing 60g of clay, 30g of corn straw powder and 8g of lignin to prepare a filler;
(3) then, fully coating the roots of drought-resistant seedlings (pinus sylvestris) by using the coating material obtained in the step (1) (completely coating all the roots inside the coating material) and forming balls with the diameter of 35cm to obtain mud drought-resistant seedlings;
(4) finally, digging a pit on the steep slope, vertically placing the mud-bearing drought-enduring sapling obtained in the step (3) in the pit, filling the pit with the filler obtained in the step (2), sequentially pouring a sodium metaaluminate solution and an aluminum chloride solution, and standing and curing;
wherein the complex microbial inoculum comprises: paenibacillus polymyxa 6 x 109cfu/mL, Pseudomonas mushroom 8.5X 108cfu/mL, Armillaria mellea 7X 106cfu/mL。
In the step (1), the specific method of enzymolysis is as follows: firstly, 1.6g of cellulase and 0.9g of hemicellulase are added into 205g of mixture for the first enzymolysis, and then 1.7g of pectinase and 1.2g of papain are added for the second enzymolysis.
The technological conditions of the first enzymolysis are as follows: the pH value is 8, the temperature is 45 ℃, and the enzymolysis time is 2.5 hours; the technological conditions of the second enzymolysis are as follows: pH 5.5, temperature 40 ℃, enzymolysis time 2.5 hours.
In the step (1), the fermentation process conditions are as follows: 4.5g of the complex microbial inoculum is inoculated into 200g of the mixed matrix, evenly stirred and fermented for 9 hours at 48 ℃.
In the step (4), the concrete method for digging the pit comprises the following steps: a plurality of vertical pits are dug at intervals on the steep slope at the same interval, the diameter of each pit is 75cm, and the depth of each pit is 85 cm.
In the step (4), the concentration of the sodium metaaluminate solution and the concentration of the aluminum chloride solution are respectively 25%, the pouring amount of the sodium metaaluminate solution is 35g, and the pouring amount of the aluminum chloride solution is 12g in each pit.
Comparative example 1
A method for planting trees on a steep slope in a arid region comprises the following specific steps:
(1) firstly, mixing 55g of clay, 35g of corn straw powder and 5g of lignin to prepare a filler;
(2) then fully coating the roots of the drought-resistant saplings (pinus sylvestris) with soil (completely coating all the roots inside), and forming a ball shape with the diameter of 40cm to obtain mud drought-resistant saplings;
(3) and finally, digging a pit on the steep slope, vertically placing the mud-bearing drought-enduring sapling obtained in the step (2) in the pit, filling the pit with the filler obtained in the step (1), sequentially pouring a sodium metaaluminate solution and an aluminum chloride solution, and standing and curing.
In the step (3), the concrete method for digging the pit comprises the following steps: a plurality of vertical pits are dug at intervals on the steep slope at the same interval, the diameter of each pit is 80cm, and the depth of each pit is 80 cm.
In the step (3), the concentration of the sodium metaaluminate solution and the concentration of the aluminum chloride solution are respectively 30%, the pouring amount of the sodium metaaluminate solution is 20g, and the pouring amount of the aluminum chloride solution is 10g in each pit.
Comparative example 2
A method for planting trees on a steep slope in a arid region comprises the following specific steps:
(1) mixing 100g of mushroom residue, 60g of okra fermented wine residue, 20g of wormcast and 55g of starch wastewater to obtain a mixture, performing enzymolysis to obtain a mixed matrix, inoculating the composite microbial inoculum into the mixed matrix, and fermenting to obtain a coating material;
(2) then, fully coating the roots of drought-resistant seedlings (pinus sylvestris) by using the coating material obtained in the step (1) (completely coating all the roots inside the coating material) and forming balls with the diameter of 40cm to obtain mud drought-resistant seedlings;
(3) finally, digging a pit on the steep slope, vertically placing the mud-bearing drought-enduring sapling obtained in the step (2) in the pit, filling the pit with clay, and watering;
wherein the complex microbial inoculum comprises: paenibacillus polymyxa 5 x 109cfu/mL, Pseudomonas mushroom 9X 108cfu/mL, Armillaria mellea 6X 106cfu/mL。
In the step (1), the specific method of enzymolysis is as follows: adding 1.5g of cellulase and 1g of hemicellulase into 210g of the mixture, carrying out first enzymolysis, then adding 1.6g of pectinase and 1.3g of papain, and carrying out second enzymolysis.
The technological conditions of the first enzymolysis are as follows: pH 7.5, 50 deg.C, enzymolysis time 2 hours; the technological conditions of the second enzymolysis are as follows: the pH was 6, the temperature 35 ℃ and the enzymatic hydrolysis time 3 hours.
In the step (1), the fermentation process conditions are as follows: inoculating 4g of the complex microbial inoculum into 200g of the mixed matrix, uniformly stirring and fermenting for 8 hours at 50 ℃.
In the step (3), the concrete method for digging the pit comprises the following steps: a plurality of vertical pits are dug at intervals on the steep slope at the same interval, the diameter of each pit is 80cm, and the depth of each pit is 80 cm.
In the step (3), the amount of water poured into each pit was 30 g.
In a certain arid region (drought grade is severe drought) of Dengxi, Gansu, the slope of the steep slope is determined to be 77 degrees by using a slope measuring instrument.
In the early 9 th 2019, planting pinus sylvestris seedlings (the height of the seedlings is 70cm) according to the methods of examples 1-3 and comparative examples 1 and 2 respectively, planting 100 seedlings in each way, not applying fertilizer additionally after planting, watering once in the early 12 th 2019 and the early 3 rd 2020 respectively, watering the pits with the amount of 30g each time, inspecting the survival rate of the pinus sylvestris in the early 7 th 2020, measuring the height of the survival pinus sylvestris, and calculating the average value, wherein the result is shown in table 1.
TABLE 1 Larix Gmelini growth Studies
As can be seen from Table 1, the pinus sylvestris of examples 1 to 3 had a high survival rate and the average height of the survived pinus sylvestris was high.
Comparative example 1 replaces the cladding material with earth, and comparative example 2 replaces the filler with clay to replace sodium metaaluminate solution and aluminium chloride solution with water, because the protectiveness to sapling root system is not enough, the fixed action is poor, can't realize pricking the root rapidly, and then influences the survival rate, and the growth condition of surviving sapling also can receive the influence.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A method for improving the survival rate of steep slope tree species in arid regions is characterized by comprising the following specific steps:
(1) mixing mushroom residue, okra fermented wine residue, wormcast and starch wastewater to obtain a mixture, carrying out enzymolysis to obtain a mixed matrix, inoculating the composite microbial inoculum into the mixed matrix, and fermenting to obtain a coating material;
(2) mixing clay, corn straw powder and lignin to prepare a filler;
(3) fully coating the roots of the drought-resistant seedlings by using the coating material obtained in the step (1) to obtain mud drought-resistant seedlings;
(4) finally, digging a pit on the steep slope, vertically placing the mud-bearing drought-enduring sapling obtained in the step (3) in the pit, filling the pit with the filler obtained in the step (2), sequentially pouring a sodium metaaluminate solution and an aluminum chloride solution, and standing and curing;
wherein the complex microbial inoculum comprises: paenibacillus polymyxa 5-7 x 109cfu/mL, 8-9X 10 Agaricus campestris Pseudomonas8cfu/mL, 6-8 × 10 Armillaria mellea6cfu/mL。
2. The method according to claim 1, characterized in that the steep slope has a gradient of 70-80 °.
3. The method as claimed in claim 1, wherein in the step (1), the mass ratio of the mushroom residue, the okra fermented wine residue, the wormcast and the starch wastewater is 100: 50-60: 20-30: 45-55.
4. The method according to claim 1, wherein in the step (1), the enzymolysis specifically comprises the following steps in parts by weight: adding 1.5-1.7 parts of cellulase and 0.8-1 part of hemicellulase into 200-210 parts of the mixture, performing first enzymolysis, adding 1.6-1.8 parts of pectinase and 1.1-1.3 parts of papain, and performing second enzymolysis.
5. The method according to claim 1, wherein in the step (1), the fermentation process conditions are as follows in parts by weight: and (3) inoculating 4-5 parts of the composite microbial inoculum into 200 parts of the mixed matrix, uniformly stirring, and fermenting for 8-10 hours at 45-50 ℃.
6. The method of claim 1, wherein in the step (2), the mass ratio of the clay to the corn straw powder to the lignin is 55-65: 25-35: 5 to 10.
7. The method according to claim 1, wherein in the step (3), all the roots are completely covered by the covering material and are formed into a spherical shape with a diameter of 30-40 cm.
8. The method according to claim 1, wherein in the step (4), the concrete method for digging the pit is as follows: a plurality of vertical pits are dug at intervals on the steep slope at the same interval, the diameter of each pit is 70-80 cm, and the depth of each pit is 80-90 cm.
9. The method according to claim 1, wherein in the step (4), the concentration of the sodium metaaluminate solution and the concentration of the aluminum chloride solution are respectively 20-30%, and the mass ratio of the sodium metaaluminate solution to the aluminum chloride solution is 2-2.5: 1.
10. the method according to claim 1, wherein in the step (4), the amount of the aluminum chloride solution poured into each pit is 10-15 g.
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| CN106171764A (en) * | 2016-07-19 | 2016-12-07 | 山东省林业科学研究院 | A kind of collection rain water conservation method of forestation of drought mountain bare-root seeding |
| CN107266203A (en) * | 2017-07-25 | 2017-10-20 | 合肥仙之峰农业科技有限公司 | It is a kind of for vegetable cultivation matrix of balcony and preparation method thereof |
| CN107396807A (en) * | 2017-08-16 | 2017-11-28 | 北京星河园林景观工程有限公司 | A kind of implantation methods of arid biogeographic zone transplanting big tree |
| CN110915397A (en) * | 2019-12-11 | 2020-03-27 | 山西省农业科学院园艺研究所 | Straw compression block for dry farming jujube garden and fertilizing method thereof |
| CN111848282A (en) * | 2020-07-31 | 2020-10-30 | 辽宁工程技术大学 | Compound fertilizer for improving farmland soil and preparation process thereof |
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