Humic acid silicon selenium fertilizer
A technology of humic acid and potassium humate, applied in organic fertilizers, fertilizer mixtures, fertilization devices, etc., can solve problems such as poor environmental protection, low crop quality, and damage to soil aggregate structure, so as to reduce nitrate content and improve fertilizer utilization The effect of high rate and wide application prospect
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Embodiment 1
[0011] It is composed of the following raw materials by weight: 40% of ammonium humate; 20% of sodium selenite; 40% of silicon micropowder.
[0012] The preparation steps of humic acid fertilizer are as follows:
[0013] The raw coal is pulverized to 30-60 mesh, and at 20°C, the raw coal and the directly ammoniated ammonia are added in the reaction tank according to the ratio of the humic acid content in the raw coal to the directly ammoniated ammonia source weight ratio of 6:1. Source: nitrogen ammonia, ammonia water and carbonized ammonia water are stirred, and the temperature is controlled at 40°C; the reaction time is 0.5 hours, and the reaction product is placed for 24 hours; Dry at ℃ to obtain ammonium humate, and mix the prepared humic acid product with sodium selenite or silicon micropowder in the above ratio to obtain a finished product. Microsilica is a commercially available product.
Embodiment 2
[0015] It is composed of the following raw materials by weight: 60% of potassium humate; 5% of sodium selenite; 35% of silicon micropowder.
[0016] The preparation steps of humic acid fertilizer are as follows:
[0017] The raw coal is pulverized to a temperature of 30° C. In the reaction tank, the raw coal and potassium carbonate are added in a ratio of 6:1 by weight ratio of the humic acid content in the raw coal to the ammonia source of direct ammoniation, and the temperature is controlled at 60 °C. ℃; the reaction time is 0.5 hour, and the product after the reaction is placed for 72 hours; stirring is granulated, and the granulated reactant is placed in a drying oven and dried at 55 ℃ to obtain potassium humate, and the prepared humic acid product Mixed with the above proportion of sodium selenite or silicon micropowder to obtain the finished product.
Embodiment 3
[0019] It is composed of the following raw materials by weight: 50% of sodium humate; 10% of sodium selenite; 40% of silicon micropowder.
[0020] The preparation steps of humic acid fertilizer are as follows:
[0021] The raw coal is pulverized to the point where, at 25°C, the raw coal and sodium carbonate are added in the reaction tank according to the ratio of the humic acid content in the raw coal to the weight ratio of the ammonia source directly ammoniated to be 6:1, and the temperature is controlled at 50 °C. ℃; the reaction time is 0.5 hours, and the product after the reaction is placed for 168 hours; stirring is granulated, and the granulated reactant is placed in a drying oven and dried at 55 ℃ to obtain ammonium humate, and the prepared humic acid product Mixed with the above proportion of sodium selenite or silicon micropowder to obtain the finished product. No detailed description is given in the above embodiments, and it belongs to the well-known technology in t...
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