Long-acting sustained-release composite fertilizer rich in organic materials
A compound fertilizer and organic matter technology, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve the problems of mismatched crop growth requirements, unsatisfactory slow-release effects, and difficulty in meeting different needs, so as to prevent premature ineffectiveness Loss, good slow-release ability, and the effect of reducing production costs
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[0013] The compound fertilizer in this example is made from the following raw materials in parts by weight (kg): 15 diatomites of 1250 mesh, 14 ammonium humate, 10 heavy superphosphate, 6 pomace, 8 bean dregs, 5 grass powder, and 7 distiller's grain vinegar , White sugar 2, Xylose 0.5, Urea 20, Borax 6, Carmellose sodium 10, Redispersible latex powder 8, Ferric ammonium citrate 2, Ammonium dihydrogen phosphate 10, Calcium stearate 0.1, Additive 5 The auxiliary agent is made of the following raw materials in parts by weight: poultry feather 15, 40% sulfuric acid solution 35, sodium hydroxide amount, keratinase 0.15, copper citrate 2, manganese citrate 1, zinc citrate 2, medical stone Fine powder 22, sodium silicate 5, the preparation method is as follows: first wash the poultry feathers with water, sterilize at high temperature, and then pulverize them, put them into sulfuric acid solution, hydrolyze for 18 hours, add an appropriate amount of sodium hydroxide to the obtained hyd...
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