Earthworm cast bio-fertilizer capable of controlling clubroot of cruciferae crops and application technology
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A technology of cruciferous crops and bio-fertilizers, applied in the direction of bio-organic part treatment, application, organic fertilizers, etc., can solve the problems of no bio-fertilizers, etc., achieve good scale application prospects, less application amount, and low cost effects
Inactive Publication Date: 2017-06-13
INST OF PLANT PROTECTION SICHUAN ACAD OF AGRI SCI
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Embodiment 1
[0035] (1) cutting and crushing the rape stalks, and then mixing them with vermicompost at a weight ratio of 1:5;
[0036] (2) Control the humidity of the product of step (1) at 50%, and carry out stack retting fermentation for 40 days;
[0037] (3) After diluting the antibacterial agent Fosaide, spread it evenly in the product of step (2), and stir evenly; the weight ratio of Fosaide to the product of step (2) is 1:1000.
[0038] The pH of the biological fertilizer is 6.8.
Embodiment 2
[0040] (1) cutting and crushing the rape stalks, and then mixing them with vermicompost at a weight ratio of 1:8;
[0041] (2) Control the humidity of the product of step (1) at 60%, and carry out stack retting fermentation for 30 days;
[0042] (3) After diluting the antibacterial agent Kejia, evenly sprinkle it on the product of step (2), and stir evenly; the weight ratio of Kejia to the product of step (2) is 1:1100.
[0043] The pH of the biological fertilizer is 7.0.
Embodiment 3
[0045] (1) cutting and crushing the corn stalks, and then mixing them with vermicompost at a weight ratio of 1:7.5;
[0046] (2) Control the humidity of the product of step (1) at 55%, and carry out stack retting fermentation for 32 days;
[0047] (3) After diluting the antibacterial agents Fusaide and Kejia, evenly sprinkle them on the result of step (2), and stir evenly; wherein, the mass ratio of Fusaide and Kejia is 3:1; the antibacterial agent and step (2) The weight ratio of the resultant is 1:1200.
[0048] The pH of the biological fertilizer is 7.1.
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Abstract
The invention provides an earthworm cast bio-fertilizer capable of controlling clubroot of cruciferae crops remarkably. The bio-fertilizer is prepared from components in parts by weight as follows: 1,000-1,200 parts of an earthworm cast and crop straw fermentation product and 1-3 parts of an antibacterial agent, wherein the weight ratio of the earthworm cast to crop straw is (5-8):1; the antibacterial agent contains at least one of Flowncide and Segway; pH of the bio-fertilizer is 6.8-7.2. The invention further provides a preparation method and an application method of the bio-fertilizer. The earthworm cast and the crop straw as two kinds of agricultural and breeding waste are taken as raw materials, and the cost is low; the formula and the preparation process of the bio-fertilizer are simple; the bio-fertilizer has a good control effect on clubroot of the cruciferae crops, and the control efficiency can reach 92%-93%; besides, the required application amount of the bio-fertilizer is small.
Description
technical field [0001] The invention belongs to the field of clubroot prevention and control, and in particular relates to biological fertilizers and application techniques for preventing and controlling clubroot of cruciferous crops with vermicompost. Background technique [0002] Clubroot is one of the main diseases affecting the growth of cruciferous crops. The current control methods are mainly to apply a large number of chemical agents, develop disease-resistant plants or strains resistant to corresponding pathogens. [0003] In recent years, the disadvantages of using a large amount of chemical agents have gradually emerged, mainly due to large environmental pollution, human and animal safety problems, and the decline of soil quality. In terms of developing disease-resistant varieties, due to the difficulty and high cost, there have been few breakthroughs in large-scale application. [0004] The patent CN 105085071A applied by the Institute of Plant Protection, Sichu...
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