Agricultural environmental-friendly organic fertilizer and preparation method thereof
An organic fertilizer and environmental protection technology, applied in the field of agricultural environmental protection organic fertilizer and its preparation, can solve the problems of reduction of soil organic nutrients, accumulation of harmful substances, hardening of soil quality, etc., to achieve high fertilizer utilization, avoid soil compaction, and lasting fertilizer effect Effect
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Embodiment 1
[0020] Agricultural environment-friendly organic fertilizer and preparation method thereof in the present embodiment comprise the following steps:
[0021] S1. Weigh each raw material according to weight ratio: 70 parts of corn stalks, 55 parts of cow dung, 5 parts of EM bacterial agent, 35 parts of urea, 25 parts of potassium sulfate, 20 parts of superphosphate, 3 parts of humic acid, poly Acrylamide 5 parts.
[0022] S2, crushing the corn stalks weighed in S1 into 1-3 cm corn stalk slag;
[0023] S3. Mix and stir the weighed cow dung and corn stalk slag obtained in S1, add EM bacteria agent and humic acid, add water equal to the sum of the mass of cow dung and corn stalk slag, stir evenly, and stack Make a material pile, carry out aerobic fermentation, keep ventilation during the fermentation process, turn over the pile every 3 days, control the fermentation temperature at 55°C, and obtain the fermentation product in 20 days;
[0024] S4, after drying the fermentation prod...
Embodiment 2
[0026] S1. Weigh each raw material according to weight ratio: 50 parts of rice straw, 40 parts of sheep manure, 3 parts of EM bacterial agent, 30 parts of urea, 18 parts of potassium sulfate, 15 parts of superphosphate, 1 part of humic acid, polysaccharide Sodium acrylate 3 parts.
[0027] S2, crushing the rice straw weighed in S1 into rice straw slag of 1-3 cm;
[0028] S3, mixing and stirring the weighed sheep manure and the rice straw slag obtained in S1, adding EM bacteria agent and humic acid, the amount of water added is 80% of the total mass of sheep manure and rice straw slag, Stir evenly, and pile it into a material pile, carry out aerobic fermentation, keep ventilation during the fermentation process, turn over the pile every 5 days, control the fermentation temperature at 45°C, and obtain the fermentation product in 15 days;
[0029] S4, after drying the fermentation product obtained in S3, pulverize it, then mix it evenly with the weighed urea, potassium sulfate, ...
Embodiment 3
[0031] S1. Weigh each raw material according to weight ratio: 80 parts of wheat straw, 65 parts of chicken manure, 6 parts of EM bacterial agent, 40 parts of urea, 30 parts of potassium sulfate, 25 parts of superphosphate, 5 parts of humic acid, polysaccharide Vinyl alcohol 8 parts.
[0032] S2, crushing the wheat straw weighed in S1 into 1-3cm wheat straw slag;
[0033] S3. Mix and stir the weighed chicken manure and the wheat straw slag obtained in S1, add EM bacteria agent and humic acid, add water equal to the sum of chicken manure and wheat straw slag, stir evenly, and stack Make a material pile, carry out aerobic fermentation, keep ventilation during the fermentation process, turn over the pile every 4 days, control the fermentation temperature at 60°C, and obtain the fermentation product in 30 days;
[0034] S4, after drying the fermentation product obtained in S3, pulverize it, then mix it evenly with the weighed urea, potassium sulfate, superphosphate, and polyvinyl ...
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