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。
As the phosphorus resource of compound fertilizer, the free acid in TSP must be neutralized.
由于重钙的特性，用作生产复混肥的磷源，必须中和其游离酸。
As the phosphorus resource of compound fertilizer, the free acid in TSP must be neutralized.
由于重钙的特性，用作生产复混肥的磷源，必须中和其游离酸。
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