Slow-release compound fertilizer special for serotinous mandarin orange
A compound fertilizer and citrus technology, applied in the direction of fertilizer mixture, application, fertilization device, etc., can solve the problems of difficult development of late-maturing citrus, insufficient attention to the quality and harmlessness of nutrient-balanced fertilizers, and backward cultivation management technology, etc., to achieve The effect of improving fertilizer utilization rate, simple manufacturing process and low equipment investment
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Embodiment 1
[0022] a. Take urea 17kg, diammonium phosphate 6kg, potassium sulfate 16kg, potassium dihydrogen phosphate 6kg, ammonium sulfate 9kg, dicyandiamide 2kg, thiourea 1kg, boric acid 1kg, zinc sulfate 0.5kg, magnesium sulfate 1kg, ammonium molybdate 0.5 kg, add 5kg of zeolite and mix well.
[0023] b. Take 18kg of rapeseed meal, 9kg of feather meal, 3kg of tung meal, and 5kg of bone meal in the reactor, add 3mol / LH 2 SO 4 16kg, 2mol / L HNO 3 8kg, stir evenly, act at 50℃~60℃ for 48h, add 6kg of lime powder, mix well, equilibrate at room temperature for 24h, and dry.
[0024] c. Fully mix the materials obtained in a and b, pulverize and mix well, granulate, dry and pack.
Embodiment 2
[0026] a. Take urea 18kg, diammonium phosphate 6kg, potassium sulfate 15kg, potassium dihydrogen phosphate 6kg, ammonium sulfate 8kg, dicyandiamide 1kg, thiourea 2kg, boric acid 1kg, zinc sulfate 0.5kg, magnesium sulfate 1kg, ammonium molybdate 0.5 kg, add 5kg of zeolite and mix well.
[0027] b. Take 16kg of rapeseed meal, 11kg of feather meal, 5kg of tung meal, and 4kg of bone meal in the reactor, add 3mol / L H 2 SO 4 16kg, 2mol / L HNO 3 8kg, stir evenly, act at 50℃~60℃ for 48h, add 6kg of lime powder, mix well, equilibrate at room temperature for 24h, and dry.
[0028] c. Fully mix the materials obtained in a and b, pulverize and mix well, granulate, dry and pack.
Embodiment 3
[0030] a. Take urea 16kg, diammonium phosphate 6kg, potassium sulfate 15kg, potassium dihydrogen phosphate 6kg, ammonium sulfate 8kg, dicyandiamide 2kg, thiourea 1kg, boric acid 1kg, zinc sulfate 0.5kg, magnesium sulfate 1kg, ammonium molybdate 0.5 kg, add 5kg of zeolite and mix well.
[0031] b. Take 16kg of rapeseed meal, 12kg of feather meal, 4kg of tung meal, and 5kg of bone meal in the reactor, add 3mol / L H 2 SO 4 16kg, 2mol / L HNO 3 8kg, stir evenly, act at 50℃~60℃ for 48h, add 6kg of lime powder, mix well, equilibrate at room temperature for 24h, and dry.
[0032] c. Fully mix the materials obtained in a and b, pulverize and mix well, granulate, dry and pack.
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