(2011年山东潍坊,6题)合理使用化学肥料可提高农作物产量,促进

(2011年山东潍坊,6题)合理使用化学肥料可提高农作物产量,促进农业生产的发展。下列化学肥料属于复合肥料的是
A.KClB.NH4HCO3C.NH4H2PO4D.Ca3(PO4)2

答案

C解析:

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