Method for preparing saline-alkali soil improvement fertilizer by utilizing river and pond silt
A river pond silt and improved fertilizer technology, applied in the field of organic fertilizers, can solve the problems of insufficient bacterial flora in organic fertilizers, the impact of plant growth, and lack of element loss, etc., to achieve high organic quality and soil humus quality, strong survival ability, The effects of a mature approach
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Embodiment 1
[0014] The method for preparing saline-alkali improved fertilizer by using river pond silt comprises the steps of:
[0015] (1) concentrating river pond silt to make its water content reach 30%;
[0016] (2) Cut the fresh straw into 0.5cm straw sections, mix the concentrated river pond silt, fresh livestock and poultry manure and straw sections at a weight ratio of 50:10:20, put them into a container, seal them and pass in steam. , pressure to 2.0MPa, reaction time is 10 hours;
[0017] (3) After the reaction, the mixture is lowered to normal temperature, and adjusted to a water content of 10%, then pulverized, and then mixed with a compound microbial agent according to 5% of the weight of the mixture after the reaction. ;
[0018] Wherein the composite bacterial agent is 2 parts of yeast, 1.5 parts of Bacillus subtilis, 1 part of Bacillus megaterium, 0.5 part of Trichoderma viride, 0.6 part of potassium bacteria, 0.5 part of nitrogen-fixing bacteria and 0.1 part of white ro...
Embodiment 2
[0021] The method for preparing saline-alkali improved fertilizer by using river pond silt comprises the steps of:
[0022] (1) concentrating river pond silt to make its water content reach 50%;
[0023] (2) Cut the fresh straw into 3cm straw sections, mix the concentrated river pond silt, fresh livestock and poultry manure, and straw sections at a weight ratio of 70:20:30, put them into a container, seal them and pass in steam, at a temperature of 125°C, Pressure to 1.0MPa, reaction time is 5 hours;
[0024] (3) After the reaction, the mixture is lowered to normal temperature, and adjusted to a water content of 20%, then pulverized, and then mixed with a compound bacterial agent according to 15% of the relative weight of the reaction mixture, and then stacked and fermented. The fermentation temperature is 75 ° C, and the fermentation time is 7 days. , when the temperature exceeds 75°C during the fermentation process, turn over;
[0025] Wherein the composite bacterial agent...
Embodiment 3
[0028] The method for preparing saline-alkali improved fertilizer by using river pond silt comprises the steps of:
[0029] (1) concentrating river pond silt to make its water content reach 40%;
[0030] (2) Cut the fresh straw into 1.5cm straw sections, mix the concentrated river pond silt, fresh livestock and poultry manure, and straw sections at a weight ratio of 60:15:25, put them into a container, seal them and pass in steam, at a temperature of 115°C , pressure to 1.5MPa, reaction time is 8 hours;
[0031] (3) After the reaction, the mixture is lowered to normal temperature, and adjusted to a water content of 15%, then pulverized, and then mixed with a compound bacterial agent according to 10% of the relative weight of the reaction mixture, and then stacked and fermented. The fermentation temperature is 60 ° C, and the fermentation time is 9 days. , when the temperature exceeds 75°C during the fermentation process, turn over;
[0032] Wherein the composite bacterial ag...
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