“庄稼一枝花,离不开肥当家”。化学肥料与传统农家肥配合使用,对促进农作物增产、解决粮食短缺问题起了重要作用。下列属于钾肥的是请选择DCBA3`*?'_-\0V-v/?6o/I(g0y8Y7x9H
A.硝酸铵NH4NO3-v/?6o/I(g0y8Y7x9H
B.碳酸氢钾KHCO3-v/?6o/I(g0y8Y7x9H
C.尿素CO(NH2)2-v/?6o/I(g0y8Y7x9H
D.磷酸二氢铵NH4H2PO4-v/?6o/I(g0y8Y7x9H