CN111718216A - Continuous cropping obstacle soil conditioning fertilizer and application method thereof - Google Patents
Continuous cropping obstacle soil conditioning fertilizer and application method thereof Download PDFInfo
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- CN111718216A CN111718216A CN202010409639.0A CN202010409639A CN111718216A CN 111718216 A CN111718216 A CN 111718216A CN 202010409639 A CN202010409639 A CN 202010409639A CN 111718216 A CN111718216 A CN 111718216A
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- 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C5/00—Fertilisers containing other nitrates
- C05C5/02—Fertilisers containing other nitrates containing sodium or potassium nitrate
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- 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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- 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- Pest Control & Pesticides (AREA)
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- Organic Chemistry (AREA)
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Abstract
The invention discloses a continuous cropping obstacle soil conditioning fertilizer and a using method thereof, and particularly relates to the technical field of soil conditioning, wherein the soil conditioning fertilizer comprises the following components in parts by weight: 30-40 parts of corn straw, 20-30 parts of chicken manure compost, 5-15 parts of residue humus, 5-15 parts of sludge humic acid, 5-10 parts of bean cake, 6-8 parts of montmorillonite, 4-6 parts of calcium bentonite, 1-3 parts of zinc sulfate, 1-3 parts of magnesium sulfate, 1-2 parts of potassium nitrate and 2-4 parts of borax, and the organic fertilizer and the zymogen are mixed and fermented according to the proportion of (2-4) to 1, and the application method comprises the following steps: the method comprises the following steps: soil disinfection and step two: and (4) conditioning soil. The soil conditioning fertilizer prepared by the raw material formula can improve the soil, improve the soil fertility, improve the yield, improve the micro-ecological environment of the soil, exert the advantages of beneficial bacteria, inhibit the propagation of harmful microorganisms and achieve the effect of preventing and treating soil-borne diseases by about 70 percent.
Description
Technical Field
The invention relates to the technical field of soil conditioning, in particular to a continuous cropping obstacle soil conditioning fertilizer and a using method thereof.
Background
In the production of greenhouses and greenhouses, due to the fact that planting crops for rotation are single, and a large amount of fertilizers are applied in successive years, abnormal growth phenomena occur, the yield is reduced year by year, plant diseases and insect pests are aggravated year by year, and even production can not be continued any more, the phenomena are called soil successive cropping obstacles, when the greenhouse vegetable is highly intensive and specialized production and development are carried out, the problems of some crop soils are increasingly prominent, the greenhouse vegetable is a major obstacle limiting the development of greenhouse vegetables in China, and people are paid enough attention to the greenhouse vegetable;
the causes of the continuous cropping obstacles generally include soil salinity accumulation, self-harmful substance accumulation, soil-borne pathogenic bacteria accumulation, lack of certain nutrient elements in soil, dissimilarity of soil microbial populations and the like, and the currently common methods for solving the continuous cropping obstacles comprise crop rotation, chemical prevention and control, soil disinfection, organic fertilizer application and the like, but the effect is not ideal.
Therefore, a continuous cropping obstacle soil conditioning fertilizer and a using method thereof are provided.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides a continuous cropping obstacle soil conditioning fertilizer and a using method thereof, and the technical problems to be solved by the invention are as follows: how to improve the effect of the continuous cropping obstacle treatment of the soil.
In order to achieve the purpose, the invention provides the following technical scheme: a continuous cropping obstacle soil conditioning fertilizer comprises the following components in parts by weight: 30-40 parts of corn straw, 20-30 parts of chicken manure compost, 5-15 parts of residue humus, 5-15 parts of sludge humic acid, 5-10 parts of bean cake, 6-8 parts of montmorillonite, 4-6 parts of calcium bentonite, 1-3 parts of zinc sulfate, 1-3 parts of magnesium sulfate, 1-2 parts of potassium nitrate and 2-4 parts of borax, and mixing and fermenting the organic fertilizer and the zymogen according to the proportion of (2-4) to 1.
In a preferred embodiment, the soil conditioning fertilizer consists of the following components in parts by weight: the organic fertilizer is prepared by mixing and fermenting 35 parts of corn straws, 25 parts of chicken manure compost, 10 parts of residue humus, 10 parts of sludge humic acid, 7.5 parts of bean cakes, 7 parts of montmorillonite, 5 parts of calcium bentonite, 2 parts of zinc sulfate, 2 parts of magnesium sulfate, 1.5 parts of potassium nitrate and 3 parts of borax according to the proportion of 3: 1.
In a preferred embodiment, in the formula of the soil conditioning fertilizer, the residue humus is prepared by adding a proper amount of urea, bagasse, yeast and aspergillus niger into traditional Chinese medicine residues consisting of pseudo-ginseng, poria cocos, astragalus membranaceus, tremella and shiitake mushrooms and performing solid state fermentation.
In a preferable embodiment, in the above formula of the soil conditioning fertilizer, the sludge humic acid is obtained by adding a proper amount of sodium hydroxide to dissolve dehydrated sludge, slowly stirring for 24h, centrifuging, and filtering with an ultrafiltration membrane to obtain upper layer humic acid.
In a preferred embodiment, the humic acid is concentrated by an ultrafiltration membrane up to 20 times.
In a preferred embodiment, in the formulation of the soil conditioning fertilizer, the zymophyte is a mixed bacterial liquid obtained by culturing bacillus subtilis powder, actinomycete powder, saccharomycete powder and filamentous fungus powder.
The invention also provides a preparation method of the continuous cropping obstacle soil conditioning fertilizer, which is characterized by comprising the following steps of: the method specifically comprises the following operation steps:
a use method of a continuous cropping obstacle soil conditioning fertilizer is characterized by comprising the following steps: the method specifically comprises the following operation steps:
the method comprises the following steps: soil disinfection: taking out the soil of the cultivation layer, then disinfecting the soil cultivation layer by using a soil disinfectant, such as methyl bromide, a copper ammonia preparation and the like, covering a plastic film, uncovering the film after maintaining for half a month, leaching the soil by using rainfall to reduce the salt content of the soil, and then applying a base fertilizer into the soil;
step two: soil conditioning: before the crops are cultivated or sowed for one month, the soil conditioning fertilizer is applied to a soil surface cultivation layer in a spraying mode, and meanwhile, in one month after the crops are cultivated or sowed, the soil conditioning fertilizer is directly applied to the soil or the periphery of the roots of the crops by the same method to form a nutrition protection layer, and the soil conditioning fertilizer can be repeatedly applied once every other month for enhancing the effect.
In a preferred embodiment, in the second soil conditioning step, the soil conditioning fertilizer is diluted to 20-30 times by adding water before being applied.
In a preferred embodiment, in the second soil conditioning step, the application amount of the single soil conditioning fertilizer is half of the last application amount of the soil conditioning fertilizer.
In a preferred embodiment, the soil conditioning fertilizer is suitable for conditioning the soil in the continuous cropping obstacle of the greenhouse such as tomatoes, apples, peppers, rapes and the like.
The invention has the technical effects and advantages that:
1. the soil conditioning fertilizer prepared by the raw material formula can obviously increase the contents of organic matters, nitrogen, phosphorus and potassium, particularly potassium in soil, improve the physical structure of the soil, ensure that the soil is loose and the ventilation performance is enhanced, and the organic components not only can promote the growth and development of plants, but also can improve the contents of nutrient substances such as amino acid, protein, carbohydrate and the like in the soil, namely improve the soil quality;
2. the zymophyte used in the invention is a mixed bacterial liquid obtained by culturing bacillus subtilis powder, actinomycete powder, zymophyte powder and filamentous bacterium powder, can generate beneficial microbial communities of various catalytic decomposition enzymes, can improve soil, fertilize soil fertility, improve yield, simultaneously improve fertilizer utilization rate and reduce fertilizer application amount, and most importantly, can improve the micro-ecological environment of soil, exert the advantages of beneficial bacteria, inhibit the propagation of harmful microorganisms, and has the effect of preventing and controlling soil-borne diseases of about 70 percent.
3. The used residue humus is obtained by solid state fermentation, so that a large amount of bioactive components such as probiotics, enzymes, organic acids and the like can be generated, the growth of harmful bacteria and the synergistic effect of zymogen can be effectively inhibited, the advantages of beneficial bacteria are exerted, the propagation of harmful microorganisms is inhibited, the prevention and treatment effect on soil-borne diseases is good, the resource reutilization of the residue humus is realized, and the resource is saved;
4. the application method of the soil conditioning fertilizer is that after soil turning and disinfection operation, the soil is disinfected to remove harmful substances and excessive fertilizer residues in the soil, and the application amount of the soil conditioning fertilizer can be saved and the soil conditioning cost can be reduced by matching with the application of the soil conditioning fertilizer, so that the soil conditioning fertilizer has good economic benefit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with 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
The invention provides a continuous cropping obstacle soil conditioning fertilizer which comprises the following components in parts by weight: 30 parts of corn straw, 30 parts of chicken manure compost, 5 parts of residue humus, 15 parts of sludge humic acid, 5 parts of bean cake, 8 parts of montmorillonite, 4 parts of calcium bentonite, 3 parts of zinc sulfate, 1 part of magnesium sulfate, 2 parts of potassium nitrate and 2 parts of borax, and mixing the organic fertilizer and the zymogen according to the proportion of 2:1 for fermentation.
Wherein, the residue humus is prepared by adding appropriate amount of urea, bagasse, yeast and Aspergillus niger into traditional Chinese medicine residue composed of Notoginseng radix, Poria, radix astragali, Tremella and Lentinus Edodes, and performing solid state fermentation;
the sludge humic acid is obtained by adding a proper amount of sodium hydroxide to dissolve dehydrated sludge, slowly stirring for 24 hours, centrifugally separating, filtering and concentrating humic acid by an ultrafiltration membrane until the humic acid is concentrated by 20 times, and taking the upper layer humic acid.
The zymophyte is a mixed bacterial liquid obtained by culturing bacillus subtilis powder, actinomycete powder, saccharomycete powder and filamentous fungus powder.
The invention also provides a preparation method of the continuous cropping obstacle soil conditioning fertilizer, which is characterized by comprising the following steps of: the method specifically comprises the following operation steps:
a use method of a continuous cropping obstacle soil conditioning fertilizer is characterized by comprising the following steps: the method specifically comprises the following operation steps:
the method comprises the following steps: soil disinfection: taking out the soil of the cultivation layer, then disinfecting the soil cultivation layer by using a soil disinfectant, such as methyl bromide, a copper ammonia preparation and the like, covering a plastic film, uncovering the film after maintaining for half a month, leaching the soil by using rainfall to reduce the salt content of the soil, and then applying a base fertilizer into the soil;
step two: soil conditioning: the soil conditioning fertilizer is diluted to 20-30 times by adding water before one month of crop cultivation or sowing, the soil conditioning fertilizer is applied to a soil surface cultivation layer in a spraying mode, meanwhile, the soil conditioning fertilizer is directly applied to the soil or the periphery of the root of a crop by adopting the same method treatment in one month after the crop cultivation or sowing to form a nutrition protection layer, the soil conditioning fertilizer can be repeatedly applied once every other month for enhancing the effect, and the application amount of the soil conditioning fertilizer for one time is one half of the application amount of the soil conditioning fertilizer last time.
The soil conditioning fertilizer is suitable for conditioning the continuous cropping obstacle soil of the greenhouse and the greenhouse such as tomatoes, apples, hot peppers, rapes and the like.
Example 2
Different from the embodiments 1-2, the soil conditioning fertilizer for the continuous cropping obstacle is prepared from the following components in parts by weight: 40 parts of corn straws, 20 parts of chicken manure compost, 15 parts of residue humus, 5 parts of sludge humic acid, 10 parts of bean cakes, 6 parts of montmorillonite, 6 parts of calcium bentonite, 1 part of zinc sulfate, 3 parts of magnesium sulfate, 1 part of potassium nitrate and 4 parts of borax, and mixing the organic fertilizer and the zymogen according to the proportion of 4:1 for fermentation.
The residue humus is prepared by adding appropriate amount of urea, bagasse, yeast and Aspergillus niger into Chinese medicinal residue composed of Notoginseng radix, Poria, radix astragali, Tremella and Lentinus Edodes, and performing solid state fermentation;
sludge humic acid is obtained by adding a proper amount of sodium hydroxide to dissolve dehydrated sludge, slowly stirring for 24 hours, centrifugally separating, filtering humic acid by an ultrafiltration membrane until the humic acid is concentrated by 20 times, and taking the upper layer of humic acid.
The zymophyte is a mixed bacterial liquid obtained by culturing bacillus subtilis powder, actinomycete powder, saccharomycete powder and filamentous fungus powder.
The invention also provides a preparation method of the continuous cropping obstacle soil conditioning fertilizer, which is characterized by comprising the following steps of: the method specifically comprises the following operation steps:
a use method of a continuous cropping obstacle soil conditioning fertilizer is characterized by comprising the following steps: the method specifically comprises the following operation steps:
the method comprises the following steps: soil disinfection: taking out the soil of the cultivation layer, then disinfecting the soil cultivation layer by using a soil disinfectant, such as methyl bromide, a copper ammonia preparation and the like, covering a plastic film, uncovering the film after maintaining for half a month, leaching the soil by using rainfall to reduce the salt content of the soil, and then applying a base fertilizer into the soil;
step two: soil conditioning: the soil conditioning fertilizer is diluted to 20-30 times by adding water before one month of crop cultivation or sowing, the soil conditioning fertilizer is applied to a soil surface cultivation layer in a spraying mode, meanwhile, the soil conditioning fertilizer is directly applied to the soil or the periphery of the root of a crop by adopting the same method treatment in one month after the crop cultivation or sowing to form a nutrition protection layer, the soil conditioning fertilizer can be repeatedly applied once every other month for enhancing the effect, and the application amount of the soil conditioning fertilizer for one time is one half of the application amount of the soil conditioning fertilizer last time.
The soil conditioning fertilizer is suitable for conditioning the continuous cropping obstacle soil of the greenhouse and the greenhouse such as tomatoes, apples, hot peppers, rapes and the like.
Example 3
Different from the embodiments 1-2, the soil conditioning fertilizer for the continuous cropping obstacle is prepared from the following components in parts by weight: the organic fertilizer is prepared by mixing and fermenting 35 parts of corn straws, 25 parts of chicken manure compost, 10 parts of residue humus, 10 parts of sludge humic acid, 7.5 parts of bean cakes, 7 parts of montmorillonite, 5 parts of calcium bentonite, 2 parts of zinc sulfate, 2 parts of magnesium sulfate, 1.5 parts of potassium nitrate and 3 parts of borax according to the proportion of 3: 1.
Wherein, the residue humus is prepared by adding appropriate amount of urea, bagasse, yeast and Aspergillus niger into traditional Chinese medicine residue composed of Notoginseng radix, Poria, radix astragali, Tremella and Lentinus Edodes, and performing solid state fermentation;
the sludge humic acid is obtained by adding a proper amount of sodium hydroxide to dissolve dehydrated sludge, slowly stirring for 24 hours, centrifugally separating, filtering and concentrating humic acid by an ultrafiltration membrane until the humic acid is concentrated by 20 times, and taking the upper layer humic acid.
The zymophyte is a mixed bacterial liquid obtained by culturing bacillus subtilis powder, actinomycete powder, saccharomycete powder and filamentous fungus powder.
The invention also provides a preparation method of the continuous cropping obstacle soil conditioning fertilizer, which is characterized by comprising the following steps of: the method specifically comprises the following operation steps:
a use method of a continuous cropping obstacle soil conditioning fertilizer is characterized by comprising the following steps: the method specifically comprises the following operation steps:
the method comprises the following steps: soil disinfection: taking out the soil of the cultivation layer, then disinfecting the soil cultivation layer by using a soil disinfectant, such as methyl bromide, a copper ammonia preparation and the like, covering a plastic film, uncovering the film after maintaining for half a month, leaching the soil by using rainfall to reduce the salt content of the soil, and then applying a base fertilizer into the soil;
step two: soil conditioning: the soil conditioning fertilizer is diluted to 20-30 times by adding water before one month of crop cultivation or sowing, the soil conditioning fertilizer is applied to a soil surface cultivation layer in a spraying mode, meanwhile, the soil conditioning fertilizer is directly applied to the soil or the periphery of the root of a crop by adopting the same method treatment in one month after the crop cultivation or sowing to form a nutrition protection layer, the soil conditioning fertilizer can be repeatedly applied once every other month for enhancing the effect, and the application amount of the soil conditioning fertilizer for one time is one half of the application amount of the soil conditioning fertilizer last time.
The soil conditioning fertilizer is suitable for conditioning the continuous cropping obstacle soil of the greenhouse and the greenhouse such as tomatoes, apples, hot peppers, rapes and the like.
The soil conditioning fertilizers prepared in examples 1-3 were tested according to the national standards for organic fertilizers, and the test results are shown in the following table:
from the comparison in the table above, it can be seen that: when the soil conditioning fertilizer is prepared by mixing and fermenting organic fertilizer obtained by 35 parts of corn straws, 25 parts of chicken manure compost, 10 parts of dregs humus, 10 parts of sludge humic acid, 7.5 parts of bean cakes, 7 parts of montmorillonite, 5 parts of calcium bentonite, 2 parts of zinc sulfate, 2 parts of magnesium sulfate, 1.5 parts of potassium nitrate and 3 parts of borax with zymogen according to the proportion of 3:1, the soil conditioning fertilizer has high contents of organic matters, nitrogen, phosphorus and potassium, weak alkaline pH value, minimum content of heavy metals and high content of beneficial bacteria, can effectively increase the contents of the organic matters, nitrogen, phosphorus and potassium in soil, improve the nutritional structure of the soil, loosen the soil and enhance the air permeability, the beneficial bacteria can inhibit plant pathogenic bacteria and the absorption of pesticides, purify and repair the soil, reduce crop diseases, and can induce the disease resistance mechanism of plants so as to enhance the disease resistance of the plants, therefore, the raw material component formula in the embodiment 3 is the preferable scheme of the invention.
Meanwhile, experiments for planting tomatoes were performed on the soil treated with the soil conditioning fertilizer prepared in examples 1 to 3 and comparative example, respectively, and the results of the test on the growth shape and yield of the tomato during the growth period are shown in the following table:
from the comparison in the table above, it can be seen that: after the soil conditioning fertilizer of the embodiment 3 is used for conditioning the soil with continuous cropping obstacles, the plant height, the single fruit weight, the single plant fruit number, the sugar content and the like of the planted tomatoes are improved, the diseased plants are obviously reduced, the yield is increased, and therefore, the soil conditioning fertilizer is used for obviously reducing the continuous cropping obstacles of the soil and has certain beneficial effect on the increase of the yield;
finally, it should be noted that: although the present invention has been described in detail with reference to the general description and the specific embodiments, on the basis of the present invention, the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A continuous cropping obstacle soil conditioning fertilizer is characterized in that: the soil conditioning fertilizer comprises the following components in parts by weight: 30-40 parts of corn straw, 20-30 parts of chicken manure compost, 5-15 parts of residue humus, 5-15 parts of sludge humic acid, 5-10 parts of bean cake, 6-8 parts of montmorillonite, 4-6 parts of calcium bentonite, 1-3 parts of zinc sulfate, 1-3 parts of magnesium sulfate, 1-2 parts of potassium nitrate and 2-4 parts of borax, and mixing and fermenting the organic fertilizer and the zymogen according to the proportion of (2-4) to 1.
2. The continuous cropping obstacle soil conditioning fertilizer according to claim 1, characterized in that: the soil conditioning fertilizer comprises the following components in parts by weight: the organic fertilizer is prepared by mixing and fermenting 35 parts of corn straws, 25 parts of chicken manure compost, 10 parts of residue humus, 10 parts of sludge humic acid, 7.5 parts of bean cakes, 7 parts of montmorillonite, 5 parts of calcium bentonite, 2 parts of zinc sulfate, 2 parts of magnesium sulfate, 1.5 parts of potassium nitrate and 3 parts of borax according to the proportion of 3: 1.
3. The continuous cropping obstacle soil conditioning fertilizer according to claim 1, characterized in that: in the formula of the soil conditioning fertilizer, the residue humus is prepared by adding a proper amount of urea, bagasse, saccharomycetes and aspergillus niger into traditional Chinese medicine residues consisting of pseudo-ginseng, poria cocos, astragalus membranaceus, tremella and lentinus edodes and performing solid state fermentation.
4. The continuous cropping obstacle soil conditioning fertilizer according to claim 1, characterized in that: in the formula of the components of the soil conditioning fertilizer, sludge humic acid is obtained by adding a proper amount of dehydrated sludge dissolved by sodium hydroxide, slowly stirring for 24 hours, centrifugally separating, and filtering by an ultrafiltration membrane to obtain upper-layer humic acid.
5. The continuous cropping obstacle soil conditioning fertilizer according to claim 4, characterized in that: and concentrating the humic acid by using an ultrafiltration membrane until the concentration is 20 times.
6. The continuous cropping obstacle soil conditioning fertilizer according to claim 1, characterized in that: in the formula of the soil conditioning fertilizer, the zymophyte is a mixed bacterial liquid obtained by culturing bacillus subtilis powder, actinomycete powder, saccharomycete powder and filamentous bacteria powder.
7. A use method of a continuous cropping obstacle soil conditioning fertilizer is characterized by comprising the following steps: the method specifically comprises the following operation steps:
the method comprises the following steps: soil disinfection: taking out the soil of the cultivation layer, then disinfecting the soil cultivation layer by using a soil disinfectant, such as methyl bromide, a copper ammonia preparation and the like, covering a plastic film, uncovering the film after maintaining for half a month, leaching the soil by using rainfall to reduce the salt content of the soil, and then applying a base fertilizer into the soil;
step two: soil conditioning: before the crops are cultivated or sowed for one month, the soil conditioning fertilizer is applied to a soil surface cultivation layer in a spraying mode, and meanwhile, in one month after the crops are cultivated or sowed, the soil conditioning fertilizer is directly applied to the soil or the periphery of the roots of the crops by the same method to form a nutrition protection layer, and the soil conditioning fertilizer can be repeatedly applied once every other month for enhancing the effect.
8. The use method of the continuous cropping obstacle soil conditioning fertilizer as claimed in claim 7, characterized in that: in the second soil conditioning step, before the soil conditioning fertilizer is applied, the soil conditioning fertilizer is diluted to 20-30 times by adding water.
9. The method for preparing a continuous cropping obstacle soil conditioning fertilizer according to claim 7, characterized by comprising the following steps: in the second soil conditioning step, the application amount of the single soil conditioning fertilizer is one half of the previous application amount of the soil conditioning fertilizer.
10. The continuous cropping obstacle soil conditioning fertilizer according to claim 1, characterized in that: the soil conditioning fertilizer is suitable for conditioning the continuous cropping obstacle soil of the greenhouse and the greenhouse such as tomatoes, apples, hot peppers, rapes and the like.
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Application publication date: 20200929 |