水稻配方施肥技术
SEED INDUSTRY GUIDE（2010）
Abstract
1 水稻需肥特征
水稻需要碳、氢、氧、氮、磷、钾、铁、锰、铜、锌、硼、钼、氯、硅、钙、镁、硫等多种元素,以氮、磷、钾、硅元素为主,称为四大要素.
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