无论什么磷肥，全都来自含钙的磷酸盐。生骨粉，磷灰粉，磷灰石含有大量的这种盐类。
Phosphatic fertilzers are all derived from calcium salts of phosphoric acid and these are found as raw bones apatite and phosphate rock.
无论什么磷肥，全都来自含钙的磷酸盐。生骨粉，磷灰粉，磷灰石含有大量的这种盐类。
Phosphatic fertilzers are all derived from calcium salts of phosphoric acid and these are found as raw bones apatite and phosphate rock.
应用推荐