Humic acid bio-compound fertilizer and preparation method thereof
A biological compound fertilizer and humic acid technology, applied in urea compound fertilizer, ammonium nitrate fertilizer, ammonium orthophosphate fertilizer, etc., can solve the problems of soil compaction, prevent soil compaction, extract effective nutrients, and promote absorption and utilization Effect
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Embodiment 1
[0021] Embodiment 1, prepare humic acid biological compound fertilizer as follows:
[0022] (1) Dilute 14 parts of nitric acid with water at a ratio of 1:200;
[0023] (2) drop into 5 parts of former powder of humic acid, add 16 parts of ammoniacal liquor after high-speed dispersion is uniform and cool;
[0024] (3) Nitrohumic acid after the treatment is uniformly mixed with 580 parts of urea and 25 parts of potassium dihydrogen phosphate;
[0025] (4) Stir at a constant temperature of 110 degrees Celsius for 45 minutes, cool, dry, pulverize and add 1 part of coagulant, and make 2-3 mm particles, the moisture content in the particles is 4%.
[0026] The temperature in the whole production process of the above steps (1) to (4) is controlled below 150 degrees Celsius to avoid biuret.
Embodiment 2
[0027] Embodiment 2, prepare humic acid biological compound fertilizer as follows:
[0028] (1) Dilute 25 parts of nitric acid with water at a ratio of 1:200;
[0029] (2) drop into 20 parts of former powder of humic acid, add 25 parts of ammoniacal liquor after high-speed dispersion is uniform and cool;
[0030] (3) Nitrohumic acid after the treatment is mixed with 620 parts of urea, 35 parts of potassium dihydrogen phosphate;
[0031] (4) Stir at a constant temperature of 110 degrees Celsius for 45 minutes, cool, dry, pulverize, add 5 parts of coagulant, and make 2-3mm granules with a moisture content of 6%.
[0032] The temperature in the whole production process of the above steps (1) to (4) is controlled below 150 degrees Celsius to avoid biuret.
Embodiment 3
[0033] Embodiment 3, prepare humic acid biological compound fertilizer as follows:
[0034] (1) Dilute 19 parts of nitric acid with water at a ratio of 1:200;
[0035] (2) drop into 10 parts of former powder of humic acid, add 20 parts of ammoniacal liquor after high-speed dispersion is uniform and cool;
[0036] (3) Evenly mix the treated nitrohumic acid with 600 parts of urea and 30 parts of potassium dihydrogen phosphate;
[0037] (4) Stir at a constant temperature of 110 degrees Celsius for 45 minutes, cool, dry, pulverize and add 1 part of coagulant, and make 2-3mm granules with a moisture content of 5%.
[0038] The temperature in the whole production process of the above steps (1) to (4) is controlled below 150 degrees Celsius to avoid biuret.
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