Coated fertilizer for fruit trees and mfg. method
A technology for fertilizers and fruit trees, which is applied in the manufacture of the coated fertilizers and the field of coated fertilizers for fruit trees, can solve the problems of poor quality, large amount of labor, weak taste, etc., and achieve the goal of improving quality, improving utilization rate and productivity. Effect
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Embodiment 1
[0030] Raw materials are prepared in the following weight ratio: the unit is kilogram
[0031] Urea 25 Superphosphate 20 Calcium Magnesium Phosphate 23
[0032] Potassium sulfate 6 Ferrous sulfate 0.7 Borax 0.7
[0033] Manganese sulfate 0.7 Copper sulfate 0.7 Zinc sulfate 0.2
[0034] Ammonium molybdate 0.7
[0035] Coating material paraffin: 4%-10% of the total weight of the above raw materials;
[0036] in:
[0037] Urea CO(NH 2 ) 2 The content of medium nitrogen N is 46%;
[0038] Calcium superphosphate Ca(H 2 PO 4 )·H 2 Phosphorus pentoxide P in O 2 o 5 The content is 12-20%;
[0039] Calcium magnesium phosphate fertilizer MaSiO 3 Phosphorus pentoxide P 2 o 5 The content is 14-18%;
[0040] Potassium sulfate K 2 so 4 Potassium oxide K 2 O content is 48-52%;
[0041] Ferrous Sulfate FeSO 4 ·H 2 The iron content Fe in O is 19%;
[0042] Borax Na 2 B 4 o 7 10H 2 The content of boron B in O is 11%;
[0043] Manganese sulfate MnSo 4 ·3H 2 The cont...
Embodiment 2
[0053] Raw materials are prepared in the following weight ratio: the unit is kilogram
[0054] Urea 35 Superphosphate 30 Calcium Magnesium Phosphate 33
[0055] Potassium sulfate 9 Ferrous sulfate 1.8 Borax 1.8
[0056] Manganese sulfate 1.8 Copper sulfate 1.8 Zinc sulfate 3
[0057] Ammonium molybdate 1.8
[0058] Coating material paraffin: 4%-10% of the total weight of the above raw materials;
[0059] Following steps are with embodiment 1.
Embodiment 3
[0061] Raw materials are prepared in the following weight ratio: the unit is kilogram
[0062]Urea 30 Superphosphate 25 Calcium Magnesium Phosphate Fertilizer 28
[0063] Potassium sulfate 7.5 Ferrous sulfate 1.2 Borax 1.2
[0064] Manganese sulfate 1.2 Copper sulfate 1.2 Zinc sulfate 1.6
[0065] Ammonium molybdate 1.2
[0066] Coating material paraffin: 4%-10% of the total weight of the above raw materials;
[0067] Following steps are with embodiment 1.
[0068] The invention is a formula fertilizer composed of macroelements and microelements, which can effectively improve fertilizer utilization rate and productivity, and is processed into a coated slow-release fertilizer.
[0069] Compared with the prior art, the special coated fertilizer for fruit trees of the present invention has the following advantages: first, it will not be oxidized in the process of transportation and sales, and can maintain the original properties and fertilizer effects for a long time. Second...
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