Enriched superphosphate (ESP) is a fine quality phosphorus fertilizer launched in the market in recent years. The product is of grey or grey-white powder or granule. Its essential components are soluble mono-calcium phosphate [(H2PO4)2·H2O] and calcium sulfate [Ca SO4·2H2O]. The total P2O5 36-38%;
available P2O5 18% to 36%, which is a water soluble phosphate-based fertilizer with high nutrient and good efficiency for improvement of soil conditions.
Usage:
The enriched superphosphate is suitable for various soils and plants, especially for those in the north of China, which can yield a special effect hard to be achieved by other fertilizers. Therefore, the product is expected to be a preference among various fertilizers to realize high yield, high quality, and high efficiency. The enriched phosphate can be used as base fertilizer, top dressing or raw material of the compound (mixed) fertilizer. Attention should be paid while fertilizing: The same as that of the SSP, however the application rate of the fertilizer can be scaled down according to the content of the total P2O5....
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