Fulvic acid potassium chelating fertilizer
A technology of potassium fulvic acid and chelating agent, which is applied in fertilization devices, fertilizer mixtures, applications, etc., can solve the problems of affecting the effective utilization of fertilizer components, affecting the growth of crops, and incapacitating nutrients, so as to enhance the ability to resist diseases and insect pests, and improve water retention. Breathable performance, less residue effect
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Embodiment 1
[0030] Embodiment 1: the preparation of chelating agent:
[0031] Weigh 50kg of copper sulfate, 50kg of ferrous sulfate, 250kg of zinc sulfate, 200kg of manganese sulfate, 5kg of magnesium chloride, 25kg of urea, 120kg of potassium fulvic acid, 2kg of EDTA, and 0.8kg of boric acid; 1500L of water was stirred, heated to 85°C, stirred and reacted for 5 hours, centrifuged and dried to obtain the product.
[0032] Product indicators:
[0033] Containing free moisture: 2~6%
[0034] PH value: 6~8
[0035] Appearance: light brown to brown powder
[0036] Particle size: 60-80 mesh.
Embodiment 2
[0037] Embodiment 2: the preparation of chelating fertilizer:
[0038] Take by weighing 180kg of chelating agent, 180kg of heavy calcium, 200kg of urea, 120kg of ammonium sulfate, and 80kg of ammonium nitrate; the materials are mixed and bagged, 50kg / bag, to obtain a finished product. The nutritional content of the product: 41.8%.
Embodiment 3
[0039] Embodiment 3: the preparation of chelated fertilizer
[0040] Take by weighing chelating agent 180kg, heavy calcium 180kg, urea 200kg, ammonium sulfate 120kg, ammonium nitrate 80kg; Add material in 2000L reactor, add water 450L, make slurry, make fertilizer with spraying method, get finished product. The nutritional content of the product: 38.8%.
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