The phosphate degradation was studied when Fused Magnesium Phosphate, Single-super Phosphate and Partially Acidulated Phosphate Rock were applied in two kinds of soils.

对钙镁磷肥、过磷酸钙和部分酸化磷肥在河南郑州西岗沙土和河南西华县潮土中的退化情况进行了研究。