Calcium-containing macroelement water-soluble fertilizer and preparation method thereof
A large amount of elements, water-soluble technology, applied in calcium fertilizers, fertilization methods, organic fertilizers, etc., can solve the problems of lack of sufficient calcium elements for growth, inability to be absorbed and utilized, and reduced fruit quality, so as to promote nutrient absorption and utilization, and facilitate leaf growth. Surface spraying or drip irrigation, the effect of improving yield and quality
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Embodiment 1
[0018] A calcium-containing macroelement water-soluble fertilizer, comprising the following components in parts by weight: 16 parts of urea, 16.5 parts of anhydrous calcium dihydrogen phosphate, 8 parts of ammonium polyphosphate, 3 parts of calcium ammonium nitrate, 6 parts of calcium chloride, nitric acid 46.5 parts of potassium, 0.5 parts of boric acid, 0.5 parts of zinc phosphite, and 3 parts of citric acid monohydrate. Among them, the polymerization rate of ammonium polyphosphate is 85%, the degree of polymerization is 18, and the component content index is 16-57-0.
Embodiment 2
[0020] A calcium-containing macroelement water-soluble fertilizer, comprising the following components in parts by weight: 12 parts of urea, 18 parts of anhydrous calcium dihydrogen phosphate, 16 parts of ammonium polyphosphate, 3 parts of calcium ammonium nitrate, 40.5 parts of potassium nitrate, chloride 5 parts of potassium, 1 part of boric acid, 0.5 parts of zinc phosphite, 4 parts of citric acid monohydrate. Among them, the polymerization rate of ammonium polyphosphate is 82%, the degree of polymerization is 15, and the component content index is 16-57-0.
Embodiment 3
[0022] A calcium-containing macroelement water-soluble fertilizer, comprising the following components in parts by weight: 16 parts of urea, 15 parts of anhydrous calcium dihydrogen phosphate, 10 parts of calcium ammonium nitrate, 6 parts of calcium chloride, 49.5 parts of potassium nitrate, 0.5 parts of boric acid 1 part, 2 parts of zinc phosphite, 1 part of citric acid monohydrate. Among them, the polymerization rate of ammonium polyphosphate is 90%, the degree of polymerization is 22, and the component content index is 16-57-0.
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