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好吧问答库 > 4.如何利用尿素、磷酸二铵和氯化钾配制出N-P2O5-K2O 19-19-19的掺混肥?(要求

4.如何利用尿素、磷酸二铵和氯化钾配制出N-P2O5-K2O 19-19-19的掺混肥?(要求

2025年03月15日 02:39

有1个网友回答

网友（1）：

钾的来源全部来自氯化钾，所以100公斤复合肥中需要氯化钾质量为94：149=19：XX=30.12（公斤)磷全部来自磷酸二铵142：256=19：YY=34.25（千克）磷酸二铵中有效氮为：7.49公斤所以尿素中提供氮为：11.51公斤所以尿素的质量为：28：60=11.51：ZZ=24.66（公斤）
还不足100公斤，所以尿素部分可以用含氮更低的其实氮肥代替。

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