CN114940908B - Soil restoration composition for relieving continuous cropping obstacle of ginseng and matched planting technology - Google Patents
Soil restoration composition for relieving continuous cropping obstacle of ginseng and matched planting technology Download PDFInfo
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- CN114940908B CN114940908B CN202210509821.2A CN202210509821A CN114940908B CN 114940908 B CN114940908 B CN 114940908B CN 202210509821 A CN202210509821 A CN 202210509821A CN 114940908 B CN114940908 B CN 114940908B
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Abstract
The invention relates to the technical field of plant cultivation, in particular to a soil restoration composition for relieving continuous cropping obstacle of ginseng and a matched planting technology. The invention discloses a soil improvement composition and a matched planting method, wherein the composition comprises ginseng stem and leaf residues, dittany and northeast rhizoma arisaematis. The matched planting method comprises the steps of garden cleaning, soil preparation, soil disinfection, soil preparation and treatment, bed making and sowing, and cold-proof covering. The invention can obviously improve the microbial community and nutrient condition of the soil of the old ginseng land. Under the same dosage, compared with the single components, the ginseng planted by using the soil improvement composition and the matched planting method has the advantages that the emergence rate is up to 95.48%, the seedling storage rate is up to 91.23%, the root length is up to 14.23cm, the fresh root weight of a single plant is up to 4.71g, and the total saponin content is up to 2.11%, so that the ginseng planting composition has better effect, has obvious difference compared with the prior art, and has obvious synergistic effect.
Description
Technical Field
The invention relates to the technical field of plant cultivation, in particular to a soil restoration composition for relieving continuous cropping obstacle of ginseng and a matched planting technology.
Background
Ginseng (Panax ginseng C.A. Meyer) is a plant of Panax genus of Araliaceae family, is honored as a king of Baicao, and has extremely high medicinal and health care value. At present, ginseng is mainly cultivated manually, but the ginseng is perennial root plant, the soil is extremely strong, the soil after planting cannot be planted any more within a few years or even tens of years, the problem of serious continuous cropping obstacle exists, the land for planting the ginseng can be reduced year by year, and the continuous cropping obstacle of the ginseng becomes the bottleneck of the development of the ginseng industry.
In the prior art, the problems of low emergence rate, low seedling storage rate and the like of the ginseng planted under the influence of the continuous cropping obstacle are particularly remarkable, and compared with the ginseng planted for the first time, the length of the ginseng root planted in the continuous cropping soil, the weight of the fresh root of a single plant and the total saponin content are reduced. However, no effective solution has been found at present for the technical problems related to continuous cropping obstacles.
Disclosure of Invention
In view of the above, the technical problem to be solved by the invention is to provide a soil restoration composition for alleviating continuous cropping obstacle of ginseng and a matched planting technology.
The invention provides application of plant extracts in improving soil continuous cropping obstacle, wherein the plant extracts comprise a dittany extract and/or a northeast rhizoma arisaematis extract.
The research of the invention shows that the soil treated by the dittany extract or the northeast rhizoma arisaematis extract can improve continuous cropping obstacle of ginseng soil, and the emergence rate, the seedling storage rate and the root length of ginseng seedlings are obviously improved after the extract is treated. The effective dose of the dittany extract or the northeast rhizoma arisaematis extract for treating the soil and improving the soil continuous cropping obstacle is 10 kg-30 kg/mu. In the examples, verification of the effect was carried out at a dose of 20 kg/mu.
The invention also provides a composition for improving soil continuous cropping obstacle, wherein the raw materials of the composition comprise ginseng stem and leaf residues and plant extracts; the plant extract comprises a dittany extract and/or a northeast rhizoma arisaematis extract.
In the embodiment of the invention, the composition consists of ginseng stem and leaf residue fertilizer, a dittany extract and a northeast rhizoma arisaematis extract. Wherein, the mass ratio of the ginseng stem and leaf residue fertilizer, the dittany extract and the northeast rhizoma arisaematis extract is (500-2000): (0-50): (0-50).
The invention utilizes ginseng stem and leaf residue fertilizer, dittany extract and northeast rhizoma arisaematis extract to repair soil and improve continuous cropping obstacle. Compared with a control group which singly uses ginseng stem and leaf residue fertilizer, a dittany extract or a northeast rhizoma arisaematis extract, or a control group which uses ginseng stem and leaf residue fertilizer and one of the plant extracts, the composition provided by the invention has more remarkable soil improvement effect, and the composition has more excellent effect under the same dosage, and has good synergistic effect through reasonable cooperation among the components.
The composition comprises the following components in percentage by mass: ginseng stem and leaf residue fertilizer: extract of dittany: northeast rhizoma arisaematis extract= (500-2000): (1-50): (1-50).
In the embodiment of the invention, the mass ratio of each component in the composition is as follows: ginseng stem and leaf residue fertilizer: extract of dittany: northeast rhizoma arisaematis extract= (500-1500): (10-20): (5-20).
In some embodiments, the mass ratio of ginseng stem and leaf residue fertilizer, dittany extract and northeast rhizoma arisaematis extract in the composition is (1000-1500): (10-20): (5-10).
In some specific embodiments, the composition provided by the invention comprises the following components in percentage by mass: extract of dittany: northeast arisaema tuber extract=1500:20:20.
In some specific embodiments, the composition provided by the invention comprises the following components in percentage by mass: extract of dittany: northeast arisaema tuber extract=1000:10:10.
In some specific embodiments, the composition provided by the invention comprises the following components in percentage by mass: extract of dittany: northeast arisaema tuber extract=500:5:5.
In other specific embodiments, the composition provided by the invention comprises the following components in percentage by mass: extract of dittany: northeast arisaema tuber extract=1000:20:10.
In other specific embodiments, the composition provided by the invention comprises the following components in percentage by mass: extract of dittany: northeast arisaema tuber extract=500:20:5.
In other specific embodiments, the composition provided by the invention comprises the following components in percentage by mass: extract of dittany: northeast arisaema tuber extract=1000:10:20.
In other specific embodiments, the composition provided by the invention comprises the following components in percentage by mass: extract of dittany: northeast arisaema tuber extract=500:10:10.
In a specific embodiment, the composition provided by the invention comprises the following components in percentage by mass: extract of dittany: northeast arisaema tuber extract=1500:10:5.
In a specific embodiment, the composition provided by the invention comprises the following components in percentage by mass: extract of dittany: northeast arisaema tuber extract=500:5:20.
In a specific embodiment, the composition provided by the invention comprises the following components in percentage by mass: extract of dittany: northeast arisaema tuber extract=1500:5:10.
In another embodiment, the composition provided by the invention comprises the following components in percentage by mass: extract of dittany: northeast arisaema tuber extract=1000:5:5.
The invention also provides application of the composition in improving soil continuous cropping obstacle.
The soil continuous cropping obstacle comprises ginseng continuous cropping obstacle.
The invention also provides a product for improving soil continuous cropping obstacle, which comprises the composition.
The invention also provides a method for improving soil continuous cropping obstacles, which comprises treating soil with the product.
The method of the invention, wherein the soil comprises ginseng continuous cropping obstacle soil, and the ginseng continuous cropping obstacle soil is one crop of ginseng (commonly called old ginseng land).
The use of the product of the invention to treat soil includes the use of the product of the invention after soil preparation. The amount used was 500 kg/mu.
The invention discloses a soil improvement composition for relieving continuous cropping obstacle of ginseng and a matched planting method, which specifically comprise garden cleaning and soil preparation, soil disinfection, application of the composition, bed making and sowing, and cold-proof covering.
The ginseng is perennial root plant, the soil is extremely strong, the continuous cropping obstacle of the ginseng is that the soil after one crop is planted can not be planted any more in a plurality of years or even a plurality of decades, the problem of serious continuous cropping obstacle exists, and the repeated continuous cropping of the ginseng land block can not be realized at present.
In the matched planting method, after harvesting for 4 years in 9 months in the first year, cleaning the garden and preparing soil at the beginning of 5 months at the bottom of 4 months in the second year, sterilizing the soil in 6 months in the second year, applying the soil improvement composition in the invention in 8-9 months in the second year, and then covering after preparing soil and sowing in 10 months in the second year; and (5) carrying out normal field management after 4 months in the third year until harvesting in autumn in the fourth year to obtain biennial ginseng.
The application amount of the soil improvement composition is 500 kg/mu.
The invention discloses a soil improvement composition for relieving continuous cropping obstacle of ginseng and a matched planting method, which specifically comprises the step of treating soil by using a composition for improving continuous cropping of ginseng, wherein the composition comprises ginseng stem and leaf residues, dittany and northeast rhizoma arisaematis. The specific matched planting method comprises garden cleaning, soil preparation, soil disinfection, preparation and application of the composition, bed making and sowing, and cold-proof covering. The treatment can obviously improve the soil microbial community and the soil nutrient condition of the old ginseng land, improve the emergence rate of ginseng seedlings to 95.48%, enable the survival rate of biennial ginseng seedlings to reach 91.23%, obviously improve the single plant weight of ginseng and the total saponin content of ginseng, improve the continuous cropping obstacle of the old ginseng land, simultaneously achieve the high-efficiency utilization of ginseng stem and leaf residues and reduce environmental pollution.
Compared with single components at the same dosage, the soil improvement composition disclosed by the invention has higher emergence rate of ginseng planted by using the soil improvement composition disclosed by the invention and a matched planting method, the seedling storage rate of biennial ginseng is up to 91.23%, the root length is up to 14.23cm, the fresh root weight of a single plant is up to 4.71g, and the total saponin content is up to 2.11%, so that the soil improvement composition disclosed by the invention has better effect, has obvious difference compared with the prior art, and is proved to have obvious synergistic effect.
Drawings
For a clearer description of embodiments of the invention or of the prior art, the drawings that are needed in the description of the embodiments or of the prior art will be briefly described, it being apparent that the drawings in the description below are some embodiments of the invention, from which, without inventive effort, other drawings can be obtained for a person skilled in the art;
FIG. 1 shows the growth of control group ginseng;
FIG. 2 shows the growth of ginseng after treatment with the composition of example 2.
Detailed Description
The invention provides a soil restoration composition for relieving continuous cropping obstacle of ginseng and a matched planting technology, and the technical parameters can be properly improved by those skilled in the art by referring to the content of the present disclosure. It is expressly noted that all such similar substitutions and modifications will be apparent to those skilled in the art, and are deemed to be included in the present invention. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those skilled in the relevant art that the invention can be practiced and practiced with modification and alteration and combination of the methods and applications herein without departing from the spirit and scope of the invention.
The preparation of the ginseng stem leaf residue fertilizer comprises the steps of collecting ginseng stem leaves in a harvesting period (generally in the middle of 9 months), crushing the ginseng stem leaves into small segments, adding the small segments into an extraction tank, adding 10 times of water, boiling and extracting for 2-3 hours, filtering out solution (an extracting solution is used for preparing ginseng stem leaf saponins), uniformly composting and fermenting the extracted ginseng stem leaves, covering a film on the upper layer of a stem leaf residue pile for improving the fermentation speed and effect, turning the pile when the internal temperature reaches 50-70 ℃ and above, turning the pile, continuing to ferment, repeating the pile turning step for 2-3 times when the temperature rises again, and promoting the full fermentation of ginseng stem leaf residues to obtain the ginseng stem leaf residue fertilizer.
The preparation method of the Dictamni extract comprises pulverizing root of Dictamnus dasycarpus (Dictamnus dasycarpus Turcz.) with pulverizer, and sieving with 40 mesh sieve to obtain Dictamni powder. According to the feed liquid ratio of 1 (10-15), leaching the dittany powder with 70-75% ethanol for 24-32 h at 25-30 ℃. In order to improve the leaching effect, the crude extract is placed in an ultrasonic instrument for ultrasonic treatment, the ultrasonic extraction temperature is 30-35 ℃, the extraction time is 30-40 min, and the filtrate 1 is collected by filtration. Ultrasonic extracting the filter residue with 70% -75% ethanol according to a feed liquid ratio of 1 (5-10), wherein the ultrasonic extracting temperature is 30-35 ℃ and the extracting time is 30-40 min, and filtering to obtain filtrate 2. Combining the 2 times of filtrate, concentrating under reduced pressure by adopting a rotary evaporator to obtain extract, drying the extract by adopting a vacuum dryer at the temperature of 50-60 ℃ and the relative vacuum degree of-0.08 to-0.085 MPa for 48 hours, and crushing the dried extract after drying to obtain the dittany extract.
The rhizome of the northeast rhizoma arisaematis (Arisaema amurense maxim.) is prepared by adopting the same preparation method as the cortex dictamni extract.
Embodiments of the present invention will be described in detail below with reference to examples, but it will be understood by those skilled in the art that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
Example 1
Composition 1: the composition 1 is prepared by mixing the ginseng stem and leaf residue fertilizer with the ratio of 20g of the dittany extract and 20g of the arisaema tuber extract per 1.5kg of ginseng stem and leaf residue fertilizer.
Example 2
Composition 2: the composition 2 was prepared by mixing the extracts of dittany 20g and arisaema tuber 10g per 1.0kg of ginseng stem and leaf residue fertilizer.
Example 3
Composition 3: the composition 3 was prepared by mixing the extracts of dittany 20g and arisaema tuber 5g per 0.5kg of ginseng stem and leaf residue fertilizer.
Example 4
Composition 4: the composition 4 was prepared by mixing 10g of the extract of Dictamni and 20g of the extract of Araceae, per 1.0kg of the residue fertilizer of ginseng stem and leaf.
Example 5
Composition 5: the composition 5 is prepared by mixing 10g of the dittany extract and 10g of the arisaema tuber extract according to the proportion of 0.5kg of ginseng stem and leaf residue fertilizer.
Example 6
Composition 6: the composition 6 was prepared by mixing 10g of the extract of Dictamni and 5g of the extract of Araceae, per 1.5kg of the residue fertilizer of ginseng stem and leaf.
Example 7
Composition 7: the composition 7 was prepared by mixing the extracts of 5g of Dictamni radix and 20g of Araceae rhizoma per 0.5kg of ginseng stem and leaf residue fertilizer.
Example 8
Composition 8: the composition 8 was prepared by mixing the extract of Dictamni radix with the extract of Araceae rhizoma 10g per 1.5kg of ginseng stem and leaf residue fertilizer.
Example 9
Composition 9: the composition 9 was prepared by mixing the extracts of 5g of Dictamni radix and 5g of Araceae rhizoma per 1.0kg of ginseng stem and leaf residue fertilizer.
Example 10
Composition 10: composition 10 was prepared by mixing 1kg of ginseng stem and leaf residue fertilizer with 20g of dittany extract.
Example 11
Composition 11: composition 11 was prepared by mixing 1kg of ginseng stem and leaf residue fertilizer with 10g of the extract of North-northeast rhizoma arisaematis.
Example 12
The extract of Dictamni is taken as example 12. The preparation method comprises the following steps: pulverizing root of Dictamni (Dictamnus dasycarpus Turcz.) with pulverizer, and sieving with 40 mesh sieve to obtain Dictamni powder. According to the feed liquid ratio of 1 (10-15), leaching the dittany powder with 70-75% ethanol for 24-32 h at 25-30 ℃. In order to improve the leaching effect, the crude extract is placed in an ultrasonic instrument for ultrasonic treatment, the ultrasonic extraction temperature is 30-35 ℃, the extraction time is 30-40 min, and the filtrate 1 is collected by filtration. Ultrasonic extracting the filter residue with 70% -75% ethanol according to a feed liquid ratio of 1 (5-10), wherein the ultrasonic extracting temperature is 30-35 ℃ and the extracting time is 30-40 min, and filtering to obtain filtrate 2. Combining the 2 times of filtrate, concentrating under reduced pressure by adopting a rotary evaporator to obtain extract, drying the extract by adopting a vacuum dryer at the temperature of 50-60 ℃ and the relative vacuum degree of-0.08 to-0.085 MPa for 48 hours, and crushing the dried extract after drying to obtain the dittany extract.
Example 13
An extract of arisaema tuber, northeast, was used as example 13. The preparation method comprises the following steps: pulverizing rhizoma arisaematis (Arisaema amurense maxim.) with pulverizer, and sieving with 40 mesh sieve to obtain rhizoma arisaematis powder. Leaching the northeast rhizoma arisaematis powder with 70-75% ethanol for 24-32 h according to the feed-liquid ratio of 1 (10-15), wherein the leaching temperature is 25-30 ℃. In order to improve the leaching effect, the crude extract is placed in an ultrasonic instrument for ultrasonic treatment, the ultrasonic extraction temperature is 30-35 ℃, the extraction time is 30-40 min, and the filtrate 1 is collected by filtration. Ultrasonic extracting the filter residue with 70% -75% ethanol according to a feed liquid ratio of 1 (5-10), wherein the ultrasonic extracting temperature is 30-35 ℃ and the extracting time is 30-40 min, and filtering to obtain filtrate 2. Combining the 2 times of filtrate, concentrating under reduced pressure by adopting a rotary evaporator to obtain extract, drying the extract by adopting a vacuum dryer at the temperature of 50-60 ℃ and the relative vacuum degree of-0.08 to-0.085 MPa for 48 hours, and crushing the dried extract to obtain the northeast rhizoma arisaematis extract.
Example 14
The ginseng stem and leaf residue fertilizer was used as example 14. The preparation method comprises the following steps: collecting ginseng stems and leaves in a harvesting period (generally in 9 middle ten days), crushing the ginseng stems and leaves into small segments, adding the small segments into an extraction tank, adding 10 times of water, boiling and extracting for 2-3 hours, filtering out a solution (an extracting solution is used for preparing ginseng stem and leaf saponins), uniformly composting and fermenting the extracted ginseng stems and leaves, covering a film on the upper layer of a stem and leaf residue stack to improve the fermentation speed and effect, turning the stack when the internal temperature reaches 50-70 ℃ and above, turning the stack, turning the bottom and external materials into the stack, continuing fermentation, repeating the above-mentioned turning step when the temperature rises again, turning the stack for 2-3 times, and promoting the full fermentation of ginseng stem and leaf residues to obtain the ginseng stem and leaf residue fertilizer.
Effect verification
The compositions of examples 1 to 11 and the product of example 14 were treated with 500kg of soil per mu, and the products of examples 12 and 13 were treated with 20kg and 10kg of soil per mu, and the method comprising.
After the ginseng is harvested in middle and late 9 months of 2018, plant residues and the like (stumps, stems, leaves and the like) remained in the old ginseng land (the land in which one crop of ginseng is planted) are intensively cleaned, and the ginseng is uniformly burned after being dried in the sun so as to prevent the spread of the pathogenic bacteria. Deep-turning the old ginseng in the middle and late 10 months, wherein the deep-turning depth is preferably 30 cm-35 cm.
And (5) at the beginning of 5 months at the bottom of 4 months in 2019 spring, carrying out rotary tillage on the ginseng land, and crushing and uniformly mixing soil blocks.
The soil disinfection treatment (contrast is not performed) is performed in 6 months, 90% of chlorobromoisocyanuric acid is adopted as the medicament, diluted water (1:50) is adopted for dilution and spraying, 100kg of diluted water solution is used for each mu of land, the ginseng land is subjected to rotary tillage, the medicament and the soil are uniformly mixed, the film is coated on the sterilized ginseng land for 10-15 days, the volatilization speed of the medicament is reduced, and the disinfection effect is improved. After the belt is disinfected, one end of the film collecting area is prepared for the next use.
And uniformly applying all the samples of the examples and the samples of the control group on the surface layer of the old ginseng land in 8-9 months, rotary tillage is carried out on the ginseng land, the ginseng land is uniformly mixed with soil, the ginseng land is covered with a film, the soil temperature is improved, and the proliferation speed of soil microorganisms of the old ginseng land is increased.
The grouping is as follows, each processing area is 1.5m 2 Each set was set with 3 replicates.
The products of examples 1 to 14 were used as test substances, wherein the products of example 12 and example 13 were used for treating soil at 20 kg/mu and 10 kg/mu, and the other test groups were used for treating soil at 500 kg/mu.
Soil without any test substance was used as a negative control.
According to 1:300 dilution, application amount of 1000 g/mu of Liyuan Feng (Ning Anshi Liyuan Feng Biotechnology Co., ltd. Of Heilongjiang province) is used as positive control 1; according to 1:200 dilutions were made, and a positive control 2 was treated with an application amount of 5L (1 barrel) per mu of soil remediation No. 1 (Qingdao Fubang fertilizer Co., ltd.).
The bed is planted in the beginning of 10 months, the height of the bed is 25 cm-30 cm, the width of the bed is 1.5m, the distance between the beds is 50cm, the fine bed surface is raked and the uniform and consistent bed soil thickness is ensured.
Autumn sowing is carried out in the middle and late 10 months, and split ginseng seeds (the ginseng seeds are after-matured after embryo, the embryo rate reaches more than 80%) are soaked in the carbendazim 500 times liquid for 1 hour, and dibble sowing (5*5) is adopted for sowing.
After sowing, covering the crushed corn stalks and pine needles (1:1) on the ginseng bed surface, wherein the covering thickness is about 2 cm-3 cm, which is beneficial to moisture preservation of soil and winter cold prevention. And then covering the whole wound surface with a black shading net, and fixing the periphery of the bed to prevent the wound surface covering from being blown away by wind.
And removing the black shading net on the bed surface in middle and last 4 months of 2020, carrying out shed building shading, investigating the emergence rate in the early 5 months, and carrying out conventional field management such as intertillage weeding, water irrigation and the like. At the beginning of 9 months in 2021, the seedling storage rate is investigated, samples are collected, root length, fresh weight of individual plant root and total saponin content are measured, and comprehensive evaluation is further carried out.
The statistics are as follows:
emergence rate = (field emergence number/seed sowing number) ×100%
Seedling storage rate= (number of seedlings stored/number of seedlings emerged) ×100%
In which W is i Is the index weight, f (X) i ) The index membership degree is the index number n. The index weight represents the ratio of the average value of the correlation coefficient between a certain index and other indexes to the sum of the average values of the correlation coefficients of all evaluation indexes.
Membership degreeAnd determining by a membership function to which the evaluation index belongs. Membership functions are generally classified into ascending and descending types. The positive and negative effect selection function and determination of membership of the comprehensive evaluation according to each treatment are studied. The study shows that the treatment has positive effect on each index, so that a rising membership function is selected; minimum and maximum values of each index as turning points x of function 1 And x 2 . The formula of the ascending membership function:
TABLE 1 results of verification of the influence of different experimental groups on ginseng
Remarks: lower case letters from the same column of shoulder marks indicate that 5% significant levels (p < 0.05) were achieved.
The experiment shows that the treatment group containing the two extracts and ginseng stem and leaf residues is superior to the treatment group of other examples, li Yuanfeng and soil restoration No. 1 in the aspects of emergence rate, seedling storage rate, root length, fresh root weight of single plant and total saponin content. The optimal use proportion of the residue fertilizer of the ginseng stem and leaf is that the dittany extract is preferred. Through comprehensive evaluation results, the maximum value is selected as the optimal combination, so that the optimal mixing proportion of the dittany extract, the northeast rhizoma arisaematis extract and the ginseng stem leaf residue fertilizer is 2:1:100, 500Kg of the total saponins is used per mu, the emergence rate is 95.48%, the seedling storage rate of the biennial ginseng is 91.23%, the root length is 14.23cm, the fresh root weight of a single plant is 4.71g, and the total saponins content is 2.11%, which is obviously superior to other treatment combinations.
The invention discloses a soil restoration composition for relieving continuous cropping obstacle of ginseng and a matched planting technology, which specifically comprises garden cleaning and soil preparation, soil disinfection, ginseng stem and leaf residue fertilizer preparation, dittany, and preparation and application of rhizoma arisaematis extract, bed making and sowing, and cold-proof covering. The invention can obviously improve the microbial community and soil nutrient condition of the soil of the old ginseng land, improve the emergence rate of ginseng seedlings to 95.48 percent, lead the survival rate of the biennial ginseng seedlings to reach 91.23 percent, obviously improve the single plant weight of ginseng and the total ginsenoside content, improve the continuous cropping obstacle of the old ginseng land, and simultaneously achieve the high-efficiency utilization of ginseng stem and leaf residues and reduce the environmental pollution by adopting the technology of disinfecting the soil of the old ginseng land and adopting the compound ginseng stem and leaf residue fertilizer restoration of the extract of the dittany and the northeast rhizoma arisaematis.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (8)
1. The composition for improving the soil continuous cropping obstacle is characterized by comprising ginseng stem and leaf residue fertilizer, a dittany extract and a northeast rhizoma arisaematis extract; wherein, the mass ratio of the ginseng stem and leaf residue fertilizer, the dittany extract and the northeast rhizoma arisaematis extract is (500-2000): (0-50): (0-50);
wherein, the extracts of dittany and arisaema tuber are not 0.
2. The composition according to claim 1, wherein the mass ratio of ginseng stem and leaf residue fertilizer, dittany extract and northeast rhizoma arisaematis extract in the composition is (1000-1500): (10-20): (5-10).
3. The composition according to claim 1 or 2, wherein the mass ratio of ginseng stem and leaf residue fertilizer, dittany extract and northeast rhizoma arisaematis extract in the composition is 1000:20:10 or 1500:10:5.
4. Use of a composition according to any one of claims 1 to 3 for improving soil continuous cropping disorders.
5. The use according to claim 4, wherein the soil continuous cropping obstacle comprises a ginseng continuous cropping obstacle.
6. A product for improving soil continuous cropping obstacle, characterized by comprising the composition according to any one of claims 1 to 3.
7. A method of ameliorating soil continuous cropping obstacles comprising treating the soil with the product of claim 6.
8. The method of claim 7, wherein the soil comprises ginseng continuous cropping obstacle soil; the application amount is 500 kg/mu.
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| WO2019078208A1 (en) * | 2017-10-17 | 2019-04-25 | 花王株式会社 | Plant growth-promoting agent |
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