《日本牙科医生相比于内科医生不断增长的需求导致其地理扩散》,丰川木聪、小林泰树,东京大学医学院。
Increasing supply of dentists induces their geographic diffusion in contrast with physicians in Japan.
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.
以S2、S5、PDR54为中间砧,嫁接早酥梨、锦丰、雪花梨,三种矮化中间砧嫁接树均比对照树提早2 ~ 3年结果。
Compared with the control, pear (Zaosu, Jinfeng and Xuehua) with S2, S5 and PDR54 as inter rootstock bore fruits ahead of 2-3 years.
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