young pear trees的意思|示意

The young trees of open-center shaped Housui pear were used as the material to study the effect of different pruning rate(light, heavy and no) on the pear tree growth, fruiting and root growth.

以开心形丰水梨幼树为试材，通过轻剪、重剪和不修剪处理对其树体生长指标、产量、根系分布度进行比较分析。

The effect of different dwarfing inter stocks on yield and tree vigor of young Jianbawang pear trees was studied to overcome the disadvantage of late fruit-bearing and late maturity.

为选出适合尖把王梨的矮化中间砧，以克服尖把王梨幼树结果晚、丰产晚的缺点，研究了不同矮化中间砧对尖把王梨幼树的产量和树势的影响。