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棉花施用生物钾肥的增产效应周桃华，蔡以纯安徽农学院合肥２３００３６张俊业，吴宁安徽省农业厅钾是作物矿物质营养三要素之一，我国多数棉区的棉田土壤钾的含量相当丰富，但多以硅酸盐的形式存在，溶解度很小难以被作物吸收利用，生物钾肥是一种细菌肥料，即利用某些特...
Increasing Yield Effects of Applying Potassium Fertilizer on Cotton ZHOU Tao-hua, CAI Yi-chun Anhui Agricultural College, Hefei 230036, China ZHANG Jun-ye, WU Ning The potassium of crop is one of the three elements of crop mineral nutrition. The potassium content of soils in most cotton fields in our country is quite abundant, The form of silicate, solubility is difficult to be absorbed by crops, bio-potash is a bacterial fertilizer, the use of certain special ...