论文部分内容阅读
落叶期苹果树势的诊断保持树势健壮是果树栽培的目的，也是获得优质果品的基本条件，树势强弱也是制定栽培措施的重要依据。判断树势状况的方法，一是树体营养诊断法；二是根据不同时期的树体生长发育情况进行诊断。本文介绍根据落叶期的树体表现判断树势的指标方法。一、...
The deciduous apple tree diagnosis potential to maintain robustness is the purpose of fruit cultivation, but also the basic conditions for access to quality fruit, tree vigor is also an important basis for the development of cultivation measures. The method of judging the state of tree vigor is to diagnose the tree body nutrition; second, to diagnose the growth and development of the tree body in different periods. This paper presents an index method for judging tree vigor according to the performance of deciduous trees. one,...