Special slow-release bulk blending fertilizer for wheat and preparation method of fertilizer
A slow-release, wheat-based technology, applied to calcium fertilizers, inorganic fertilizers, organic fertilizers, etc., can solve problems such as unreasonable nutrient distribution, high cost, and environmental pollution, and achieve reduced nutrient loss, improved fertilizer utilization, and low cost effect
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Embodiment 1
[0016] (1) Resin-coated urea granules, urea granules, diammonium phosphate granules, resin-coated potassium nitrate granules, potassium chloride granules, anhydrous calcium chloride granules, magnesium sulfate monohydrate granules, zinc sulfate monohydrate granules, boron The fertilizer granules are sieved and graded respectively, and dried for subsequent use, so that the fertilizer granules with a particle size of 2.00mm-4.00mm in various granules are ≥90wt%; (2) EDTA iron, EDTA manganese, compound amino acids, jelly-like bacillus, Acrylamide is compounded and mixed according to 13%, 11%, 36%, 23%, 17% by weight, tableted and granulated to obtain additive granules, and the particle diameter is 2.00mm-4.00mm; (3) the step (1 ) sieved, dried fertilizer granules and the additive granules prepared in the step (2) are put into the mixer by the weight of 166kg, 43kg, 392kg, 143kg, 46kg, 110kg, 90kg, 5kg, 2kg, 3kg, stirring and mixing 10min-15min, you can get special slow-release bl...
Embodiment 2
[0019] (1) Resin-coated urea granules, urea granules, diammonium phosphate granules, resin-coated potassium nitrate granules, potassium chloride granules, anhydrous calcium chloride granules, magnesium sulfate monohydrate granules, zinc sulfate monohydrate granules, boron The fertilizer granules are sieved and graded respectively, and dried for subsequent use, so that the fertilizer granules with a particle size of 2.00mm-4.00mm in various granules are ≥90wt%; (2) EDTA iron, EDTA manganese, compound amino acids, jelly-like bacillus, Acrylamide is compounded and mixed according to 12%, 13%, 40%, 23%, 12% by weight, and tableted and granulated to obtain additive granules with a particle diameter of 2.00mm-4.00mm; (3) the step (1 ) sieved, dried fertilizer granules and the additive granules prepared in the step (2) are put into the mixer by the weight of 180kg, 60kg, 390kg, 140kg, 50kg, 100kg, 70kg, 4kg, 3kg, 3kg, stirring and mixing 10min-15min, you can get special slow-release ...
Embodiment 3
[0022] (1) Resin-coated urea granules, urea granules, diammonium phosphate granules, resin-coated potassium nitrate granules, potassium chloride granules, anhydrous calcium chloride granules, magnesium sulfate monohydrate granules, zinc sulfate monohydrate granules, boron The fertilizer granules are sieved and graded respectively, and dried for subsequent use, so that the fertilizer granules with a particle size of 2.00mm-4.00mm in various granules are ≥90wt%; (2) EDTA iron, EDTA manganese, compound amino acids, jelly-like bacillus, Acrylamide is compounded and mixed according to 15%, 13%, 35%, 22%, 15% by weight, tableted and granulated to obtain additive granules, and the particle diameter is 2.00mm-4.00mm; (3) the step (1 ) sieved, dried fertilizer granules and the additive granules prepared in the step (2) are put into the mixer by the weight of 160kg, 40kg, 400kg, 140kg, 40kg, 110kg, 100kg, 5kg, 3kg, 2kg, stirring and mixing 10min-15min, you can get special slow-release b...
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