其树体越冬、开花、座果对气候条件要求严格。
Walnut trees pass over the winter, blossom out, fructify under the rigorous weather conditions.
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 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.
检查树中的每个值，并记录其数据。
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