Ganxin688 was studied for its characteristics of nitrogen absorbability and their impact on the population development and yield formation.
通过不同氮肥运筹方式，探讨淦鑫688的吸氮特性及其对群体发育和产量形成的影响。
Different methods of top application to the yield and its formation process of plateau corn affect source, storage-capacity and flow differently.
不同追肥方法对高原玉米产量及产量形成过程中源、库、流的作用和影响是不同的。
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.
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。
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