说明光合作用对土壤水分存在一个“阈值”反应，此值为土壤田间持水量的6 5%左右。
This indicates that photosynthetic rate has the threshold response to soil moisture and the threshold value is about 65% of field capacity.
综上所述，本文探明了田间条件下，枣树株间信号的传递途径和作用方式，探讨了虫害挥发物引起邻近枣树防御反应的作用机制。
In summary, this study proved signal function and transmission pathway in inter-jujube in field conditions, explored defense response mechanism in neighbouring jujube exposed by HIPVs.
应用推荐