甘薯通常种植在疏松的砂质土里。这使根系容易蔓延，结薯更多。
Sweet potatoes usually are grown in loose sandy soil. This permits the roots to spread easily. It produces more tubers.
通过对苗床和育苗盘栽培比较，前者利于管理，结薯量和大薯率都较后者高。
Comparing seed bed culture with raising seedling dish, the former is more easily managed, and has higher amounts of tuber and higher ratio of big tuber than the later.
在桂林地区种植“南植188”品种表现长势好，结薯早且多，薯肥大等丰产性能。
"Nanzhi 188". In Guilin, "Nanzhi 188" exhibited the features of quick growing, forming many and large tubers early.
生长势强、结薯较早、收获期大薯的数量和重量显著增加，是脱毒甘薯能显著增产的主要原因。
The significant yield increase of virus-free sweet potato mainly resulted from its strong growth vigour, early formation of its tuber, increase of big tuber in number and weight in harvest period.
以克新4号、早大白脱毒试管苗为材料，研究了光照和培养基类型对马铃薯微型薯诱导结薯的影响。
Virus free potato seedlings from tubes: Kexin No. 4 and Zaodabai were used as experimental materials. The effect of illumination and medium type on potato micro-tuber inducement were studied.
以克新4号、早大白脱毒试管苗为材料，研究了光照和培养基类型对马铃薯微型薯诱导结薯的影响。
Virus free potato seedlings from tubes: Kexin No. 4 and Zaodabai were used as experimental materials. The effect of illumination and medium type on potato micro-tuber inducement were studied.
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