Many farmers use sulfur-calcium fertilizers as phosphorus fertilizers, laying a serious hidden danger for crop production!
After a preliminary investigation, the sulfur-calcium fertilizer was sold as a phosphate fertilizer, which seriously misdirected farmers. The main source of sulfur-calcium fertilizer is waste residue produced by using phosphorite ore to produce sulfuric acid. The main component is calcium sulfate, which is suitable for improving soil properties and providing soil elements such as sulfur and calcium. It cannot be used as phosphate fertilizer.
It is understood that most of the arable land soil is calcareous soil, rich in calcium and sulfur content, do not need to add. To meet the growth of wheat, in addition to nitrogen fertilizer, phosphorus fertilizer and potash fertilizer are also needed. If phosphorus fertilizer is lacking, wheat production will be severely reduced.
Therefore, you must not use sulfur-calcium phosphate as a phosphate fertilizer, so as not to lose yourself! Because superphosphate contains more than 14% of active ingredients (more than 80% of which can be dissolved in water), it is a water-soluble quick-acting phosphate fertilizer, agricultural lime Limestone powder belongs to calcium fertilizer.
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