rock phosphate meaning in Chinese

磷钙土
磷块岩
磷矿石
磷酸岩

We make superphosphate by reacting rock phosphate with sulphuric acid
我们使磷酸盐岩同硫酸发生化学反应制造过磷酸钙。
Influence of soluble phosphate on rock phosphate solubilization by filtrate of phosphate - solubilizing fungi
可溶性磷含量对溶磷真菌培养滤液溶解磷矿粉的影响
However for p supply , dap was found superior source and rock phosphate tended to be equally effective source of p in acid laterite soil
不过对于磷素供应来说，磷酸二铵是最好的来源，磷矿粉在酸性红壤土上同样有效。