论文部分内容阅读
一、整形修剪的作用 (一) 整形修剪的必要性 有人认为柑桔是常绿果树,叶片既是制造又是贮存有机养分的器官,整形修剪会损失有机养分,因此,不应修剪。确实、美国的柑桔栽培并不注意修剪而获得了世界上最高平均单产。但是,考虑到柑桔是多年生果树,整形修剪的多种作用,以及我国的柑桔栽培应走精耕细作的道路,研究合理的整形修剪便是必要的了。
First, the role of plastic pruning (A) the need for plastic pruning Some people think that citrus is an evergreen fruit tree, leaves both manufacturing and storage of organic nutrients in the organ, plastic pruning will lose organic nutrients, therefore, should not be pruned. Indeed, citrus cultivation in the United States did not pay attention to trimming and won the highest average yield in the world. However, considering that citrus is a perennial fruit tree, the multiple functions of plastic pruning, and the road to intensive cultivation in China’s citrus cultivation, it is necessary to study rational plastic pruning.