猕猴桃和其它果树一样，当缺少营养元素时，会出现特有的缺素症，影响猕猴桃的产量和品质。笔者根据近几年的实地观察，总结了猕猴桃的主要缺素症状，并提出了有效防治措施。一、缺氮症状及防治措施缺氮时植株生长缓慢，叶绿素减少。其症状首先在老叶上产生，进而扩展到上部幼 Like other fruit trees, kiwifruit, when lacking in nutrients, exhibit unique deficiency diseases that affect the yield and quality of kiwifruit. According to the author’s field observations in recent years, the author summarized the main deficiency symptoms of kiwifruit and put forward effective prevention and treatment measures. First, the nitrogen deficiency symptoms and prevention measures Nitrogen deficiency plants grow slowly, reduce chlorophyll. The symptoms are first produced on the old leaves, which in turn extends to the upper part of the young