A study is made of the evolution of the input quantity and structure of the fertilizer potassium resource on farmland in Henan Province.
对河南省农田肥料钾资源投入数量和结构的演变状况进行了研究。
The comprehensive utilization of by-product fluosilicic acid from phosphate fertilizer production is significant in terms of environmental protection, economic efficiency and resource utilization.
磷肥副产氟硅酸的综合利用对环境保护、经济效益、资源利用方面都具有重大意义。
Therefore, the invention provides a desirable strain resource for developing a phosphorus-dissolving bacteria fertilizer special for the poplar.
因此，本发明为开发杨树专用解磷细菌肥料提供了优良的菌株资源。
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