引用相关文献，综述了水分胁迫下必需元素氮、磷、钾、钙及有益元素钠、硅在植物抗旱性中的作用，简述了今后植物抗旱性中存在的问题及研究方向。

A review on the recent progress of the research of necessary macros-nutrition: nitrogen， phosphorus， potassium， calcium， sodium and silicon on enhancing drought resistance of plants was presented in this paper . Some proposals such as existing problems and development tendency have been put forward to further study the drought resistance of plants in the future .

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甘肃省黄河流域现状用水及未来需要分析研究项目资助