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Method capable of simultaneously accelerating decomposition of Sclerotinia scleotiorum and crop straws

A technology of crop straw and rape sclerotia, which is applied in the direction of organic fertilizers, etc., can solve the problems of low rate of straw returning to the field, serious sclerotinia, unstable application effect, etc., and achieves obvious comprehensive benefits, high bacterial count and prolongation, effective and rapid The effect of decay

Active Publication Date: 2015-03-04
INST OF OIL CROPS RES CHINESE ACAD OF AGRI SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For a long time, the straw return rate of rapeseed production in my country is low, and sclerotinia is serious; the application of traditional biological fertilizer (agent) products is once a season, and the application effect is unstable due to the influence of application environmental conditions
In recent years, the whole mechanization process of rapeseed in my country has been accelerated. With the increase of rapeseed mechanical harvesting area, the accompanying phenomenon is that a large number of rapeseed straws are directly returned to the field, but it has brought two important problems to the production of subsequent crops in the field. One is that rapeseed How to quickly decompose the straw, which will not affect the growth of the rice seedlings that will be cropped, and can quickly provide the nutrient requirements of the rice seedlings that will be cropped. The second is how to degrade the sclerotia in the parasitic rape straw, and reduce the impact of soil-borne diseases-rape sclerotinia on the next season. hazards of canola

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0032] (1) Preparation of Trichoderma harzianum fungal agent:

[0033] ① Inoculation of fungi: Inoculate Trichoderma harzianum cells into an enamel plate containing V8+S medium, cover with clean double-layer gauze, culture at 28°C for 5 days, and then air-dry at 35°C for 2 days;

[0034] Trichoderma harzianum was first prepared into a spore suspension, and the inoculation amount was 10 ml of spore suspension per kilogram of V8+S medium, and the amount of spores per ml was ≥5×10 4 indivual;

[0035] 2. share percentage by weight of each component: soluble starch 85.0%, glucose 13.5%, fluorescent whitening agent 0.3%, fungal spore 1.2%, choose soluble starch, glucose, fluorescent whitening agent and step 1. Hartz wood after inoculation Mold fungal spores; after fully mixing soluble starch, glucose and fluorescent whitening agent with dried fungal spores, passing through a 100-mesh sieve, and then air-drying at 35°C for 1 day to obtain Trichoderma harzianum fungal agent;

[003...

Embodiment 1

[0051] Embodiment 1 [rape-rice rotation (water-dry crop rotation)]:

[0052] A method that can simultaneously accelerate the decomposition of rape sclerotia and crop stalks, comprising the steps of:

[0053] 1) The first application of spray-type compound bacterial agent:

[0054] It is 15 grams per mu by spraying type composite bacterial agent consumption, and by spraying type composite bacterial agent: water=15 grams: 15 liters, is made into spraying type composite bacterial agent aqueous solution, and this spraying type composite bacterial agent contains bacteria Quantity > 10 11 Fungal spores / gram; while harvesting rapeseed, spray the spray-type composite bacterial agent aqueous solution on the rape stalk returning to the field [install a spray application device on the harvester, and spray the rape stalk returning to the field while threshing " Spray type composite bacterial agent aqueous solution"]; after spraying the "spray type composite bacterial agent aqueous solut...

Embodiment 2

[0059] Embodiment 2 [rape-peanut crop rotation (dry-dry crop rotation)]:

[0060] A method that can simultaneously accelerate the decomposition of rape sclerotia and crop stalks, comprising the steps of:

[0061] 1) The first application of spray-type compound bacterial agent:

[0062] It is 15 grams per mu by spraying type composite bacterial agent consumption, and by spraying type composite bacterial agent: water=15 grams: 15 liters, is made into spraying type composite bacterial agent aqueous solution, and this spraying type composite bacterial agent contains bacteria Quantity > 10 11 Fungal spores / gram; while harvesting rapeseed, spray the spray-type compound bacterial agent aqueous solution on the rape stalks returning to the field [install a small spraying device on the combine harvester or picking and threshing machine, and return to the field while threshing] Spray the "spray type composite bacterial agent aqueous solution" on the rape straw, or use a motorized or ma...

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Abstract

The invention relates to a method capable of simultaneously accelerating decomposition of Sclerotinia scleotiorum and crop straws. The method comprises the following steps: (1) firstly, applying a spraying type complex fungicide: preparing a spraying type complex fungicide water solution by virtue of the spraying type complex fungicide and water, wherein the 15g of the spraying type complex fungicide is sprayed to each mu (a unit of area) of field, and the ratio of the spraying type complex fungicide to water is 15 grams to 15 liters; spraying oilseed rape straws returning to field with the spraying type complex fungicide water solution when the oilseed rape is harvested; standing for 3-5 days after the oilseed rape straws are sprayed with the spraying type complex fungicide water solution; (2) secondly, applying a compound microbial fertilizer, namely applying the compound microbial fertilizer before the oilseed rape is planted, wherein 10kg of the compound microbial fertilizer is applied to each mu of the field. The method has the advantages that the straws and Sclerotinia scleotiorum can be rapidly decomposed, the time and the labor are saved, the cost is low, soil-borne diseases such as Sclerotinia scleotiorum, clubroot and the like can be prevented, and the crop yield can be increased.

Description

technical field [0001] The invention relates to a method capable of simultaneously accelerating the decomposition of rape sclerotia and crop stalks. Background technique [0002] For a long time, the straw returning rate of rape production in my country is low, and sclerotinia is serious; the application of traditional biological fertilizer (agent) products is once a season, and the application effect is unstable due to the influence of application environmental conditions. In recent years, the whole mechanization process of rapeseed in my country has been accelerated. With the increase of rapeseed mechanical harvesting area, a large amount of rapeseed straw is directly returned to the field, but it has brought two important problems to the production of subsequent crops in the field. How to quickly decompose the straw, which will not affect the growth of the rice seedlings that will be cropped, but also quickly provide the nutrient requirements of the rice seedlings that wil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F11/08
Inventor 廖星徐子先胡小加谢立华余常兵李银水秦路张银波胡磊
Owner INST OF OIL CROPS RES CHINESE ACAD OF AGRI SCI
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