Insecticide fertilizer for tomato production based on biogas slurry concentrated liquor and process for producing biogas slurry concentrated liquor
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A technology for concentrated liquid and biogas slurry, applied in the application, organic fertilizer, fertilization device and other directions, can solve the problems of easy oxidation of active ingredients, sensitivity to temperature and light, single utilization form, etc., to reduce farmers' agricultural expenditure, low cost, and reduced The effect of labor intensity
Inactive Publication Date: 2009-04-08
ZHEJIANG FORESTRY UNIVERSITY
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Problems solved by technology
However, there are still the following problems in the utilization of biogas slurry in my country at this stage: 1. The utilization form is single
The reason is th
Method used
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[0047] Example 1:
[0048] The fertilizer is composed of the following components:
[0049] Biogas slurry concentrate 97%
[0050] 25% imidamide EC 0.002%
[0051] 80% mancozeb wettable powder 0.02%
[0052] Ethylene glycol 1%
[0053] Kerosene 1%
[0054] Sodium lignosulfonate 0.5%
[0055] Pull open powder BX 0.478%.
[0056] First add imidamide emulsifiable concentrate, mancozeb wettable powder, ethylene glycol, kerosene and auxiliary materials into the container as required, then pour the biogas slurry concentrate into it, and stir it into finished fertilizer.
[0057] This medicinal fertilizer will have sediment, so it needs to be stirred for a while before spraying.
Example Embodiment
[0058] Example 2:
[0059] The fertilizer is composed of the following components:
[0060] Biogas slurry concentrate 95%
[0061] 25% imidamide EC 0.0015%
[0062] 80% mancozeb wettable powder 0.015%
[0063] Ethylene glycol 1.1%
[0064] Kerosene 1.2%
[0065] The remainder is the powder BX.
[0066] The rest is the same as in Example 1
Example Embodiment
[0067] Example 3:
[0068] The fertilizer is composed of the following components:
[0069] Biogas slurry concentrate 98%
[0070] 25% imidamide EC 0.003%
[0071] 80% mancozeb wettable powder 0.03%
[0072] Ethylene glycol 0.8%
[0073] Kerosene 0.9%
[0074] The balance is sodium lignosulfonate.
[0075] The rest is the same as in Example 1
[0076] The medicinal fertilizer composed of the above three components can effectively inhibit or kill pathogenic bacteria after application, and realize the improvement of soil and rhizosphere microenvironment.
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Abstract
The invention discloses a drug fertilizer for tomato production based on concentrated liquid of biogas fermentation slurry, which is characterized by consisting of the following compositions in weight percentages: 95 to 98 percent of the concentrated liquid of the biogas fermentation slurry, 25 percent of prochloraz, 0.001 to 0.003 percent of missible oil, 80 percent of mancozeb, 0.01 to 0.03 percent of wettable powder, 0.8 to 1.2 percent of ethylene glycol, 0.8 and 1.2 percent of kerosene, and the balancing being auxiliary materials. A method for preparing the concentrated liquid of the biogas fermentation slurry is characterized by comprising the following steps: taking the biogas fermentation slurry taken from a biogas generating pit or a reactor with normal fermentation and gas generation, making the biogas fermentation slurry pass through a steel sieve the aperture of which is 20 millimeters, and sedimentating the effluent to remove larger suspended substances; filtering the effluent through a sand filter and an ultrafiltration membrane sequentially to retain substances of which the molecular weight is larger than 100, 000 Da; causing the liquid penetrating the ultrafiltration membrane to enter a nanofiltration tank from the top down; arranging a nanofiltration membrane on the lower part of the nanofiltration tank to only allow the substances of which the molecular weight is less than 200 Da to pass through; and when the main fertilizer content index is 10 times or more than 10 times higher than that of the original biogas fermentation slurry, qualifying the concentration. The drug fertilizer integrates the functions of sterilization, disease prevention and fertilizing, reduces the labor intensity, improves the labor efficiency, and effectively reduces the agricultural expenditure for farmers; besides, the drug fertilizer solves the problem of recycling the biogas fermentation slurry produced in the process of utilizing agricultural waste resources to .
Description
technical field [0001] The invention relates to a medicinal fertilizer, in particular to a medicinal fertilizer which is based on biogas slurry concentrate and has bacteriostatic, bactericidal and yield-increasing effects on tomatoes. Background technique [0002] my country feeds 22% of the world's people with 7% of the world's arable land, and the role of chemical fertilizers and pesticides is indispensable. Chemical fertilizers can not only improve soil fertility, but also one of the important measures to increase crop yield per unit area. According to statistics from the Food and Agriculture Organization of the United Nations, chemical fertilizers account for about 40%-60% of the total increase in crop production. However, the excessive use of chemical fertilizers has caused serious environmental problems such as lake eutrophication, drinking water pollution, greenhouse gas emissions, and air quality decline, among others. In addition, the extensive use of chemical fer...
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