基于不同马铃薯品种的氮肥管理方案研究进展

Research Progress of Nitrogen Fertilizer Management Schemes Based on Different Potato Varieties

氮素是制约马铃薯产量和品质形成的关键因子,在品种多元化背景下,氮肥盲目统一化极大地限制了马铃薯产量潜力的发挥,构建不同品种间归一化的氮肥推荐方案是开展合理氮肥管理的关键。不同马铃薯品种氮肥利用效率不同,本文分析了品种间差异产生的原因,并探讨品种间归一化氮素营养管理方案及其利与弊,为马铃薯氮肥养分优化管理提供可能途径。

Nitrogen is a key factor restricting the formation of potato yield and quality.Under the background of variety diversification,the blind unification of nitrogen fertilization have greatly limited the development of potato yield potential.Constructing a normalized nitrogen fertilizer recommendation schemes among different varieties is the key for carrying out rational nitrogen fertilizer management.Different potato varieties have different nitrogen use efficiencies.This paper analyzed the reasons causing differences between varieties;discussed the normalized nitrogen nutrition management schemes between varieties and advantages and disadvantages,so as to provide a possible way for optimal management of potato nitrogen fertilizer.