张家港市复合(混)肥质量现状及其对策
Shanghai Agricultural Science and Technology(2007)
Abstract
<正>据联合国粮农组织的统计资料表明,在提高作物单产中,化肥对增产所起的作用占40%~60%,复合(混)肥因其使用方便、养分全而深受广大农民喜欢。笔者通过对近两年复合(混)肥市场质量抽查情况进行分析,提出一些粗浅看法。
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