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Molecular formula : CAH4O2P8.H2O
MW :
CAS :
traits : colorless or light gray granular.
dissolved : most soluble in water, a few water-insoluble and soluble 2% citric acid solution.
purposes : a fertilizer. For top dressing, and plant fertilizer and other basic fertilizer. Applied to crops, more applicable to neutral or alkaline soil.
preparation or sources : sulfuric acid generated from phosphate rock processing.
Remarks : The main active ingredient is calcium phosphate, calcium hydrogen phosphate, and small amounts of phosphate, containing anhydrous calcium sulfate. With no effective phosphorus oxide 14 ~ 20%. Heating performance instability. Superphosphate Fertilizer is a quick impact. Use a small amount (10 to 20 kg per mu) for the types of phosphate fertilizer, is conducive to the crop seedlings to absorb phosphorus, to reduce soil phosphorus chemical fixation, it is a fertilizer of the better ways. For crops flowering foliage spray before and after the results are very good, general spraying concentration of 1% to 3%. In order to improve the SSP Fertilizer should master basic fertilizer in deep, concentrated application of the principle, in addition, four in phosphate Impacts of leguminous crops (such as green manure), the play "phosphorus, nitrogen," the role of phosphate fertilizer mixed with the application of organic fertilizers, and nitrogen and phosphate fertilizer application with the practices, phosphate fertilizer can increase the utilization and enhance results,
packaging and transportation : woven bags lined with plastic film and bags lining material available high density PVC film, modified low-density polyethylene film or polyethylene film. Storage and transportation moisture, prevent caking dissolved missing, in order to avoid the sun and the rain, to reduce nutrient loss. Travel on to foreshadow the plate corrosion resistance and Tarpaulin.
categories : phosphate
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