Potassium polyphosphate slow-release fertilizer for sugarcane, and production method of potassium polyphosphate slow-release fertilizer
A technology of potassium polyphosphate and slow-release fertilizer, applied in the direction of ammonium orthophosphate fertilizer, alkaline orthophosphate fertilizer, phosphate fertilizer, etc. problems such as low sugar content, to achieve the effect of stable properties, good solubility and high nutrient content
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Embodiment 1
[0030] A potassium polyphosphate slow-release fertilizer for sugarcane, comprising the following raw materials in parts by weight:
[0031] 45 parts of urea; 25 parts of potassium polyphosphate; 30 parts of biochemical potassium fulvic acid; 0.2 parts of magnesium sulfate; 0.2 parts of calcium chloride; 1 part of trace elements; 2 parts of tea saponin; 8 parts of peanut bran; 5 parts of bone meal; 10 parts of decomposed chicken manure; 10 parts of bentonite. The trace elements and weight ratio are Fe:Mn:Zn:Cu:B:Mo=4:3:3:2:2:1.
[0032] The preparation method of described potassium polyphosphate comprises the following steps:
[0033] ① Put yellow phosphorus in a combustion furnace and burn it at 500°C to get P 2 o 5 gas;
[0034] ②Use a blower to blow P 2 o 5 The gas is pumped into the polymerization tower, and the water is continuously poured to make P 2 o 5 The gas dissolves in water, to the P in the solution 2 o 5 The weight concentration of reaches 72%, obtains ...
Embodiment 2
[0039] A potassium polyphosphate slow-release fertilizer for sugarcane, comprising the following raw materials in parts by weight:
[0040] 55 parts of urea; 27 parts of potassium polyphosphate; 32 parts of biochemical potassium fulvic acid; 0.3 parts of magnesium sulfate; 0.25 parts of calcium chloride; 1.2 parts of trace elements; 3 parts of tea saponin; 9 parts of peanut bran; 7 parts of bone meal; 13 parts of decomposed chicken manure; 12 parts of bentonite. The trace elements and weight ratio are Fe:Mn:Zn:Cu:B:Mo=4:3:3:2:2:1.
[0041] The preparation method of described potassium polyphosphate comprises the following steps:
[0042] ① Put yellow phosphorus in a combustion furnace and burn it at 600°C to get P 2 o 5 gas;
[0043] ②Use a blower to blow P 2 o 5 The gas is pumped into the polymerization tower, and the water is continuously poured to make P 2 o 5 The gas dissolves in water, to the P in the solution 2 o 5 The weight concentration of reaches 80%, obta...
Embodiment 3
[0048] A potassium polyphosphate slow-release fertilizer for sugarcane, comprising the following raw materials in parts by weight:
[0049] 60 parts of urea; 28 parts of potassium polyphosphate; 35 parts of biochemical potassium fulvic acid; 0.4 parts of magnesium sulfate; 0.3 parts of calcium chloride; 1.5 parts of trace elements; 5 parts of tea saponin; 10 parts of peanut bran; 10 parts of bone meal; 15 parts of decomposed chicken manure; 15 parts of bentonite. The trace elements and weight ratio are Fe:Mn:Zn:Cu:B:Mo=4:3:3:2:2:1.
[0050] The preparation method of described potassium polyphosphate comprises the following steps:
[0051] ① Put yellow phosphorus in a combustion furnace and burn it at 700°C to get P 2 o 5 gas;
[0052] ②Use a blower to blow P 2 o 5 The gas is pumped into the polymerization tower, and the water is continuously poured to make P 2 o 5 The gas dissolves in water, to the P in the solution 2 o 5 The weight concentration of reaches 87%, obt...
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