在接近开花而营养枝又在伸长时，球花早落的数量达到最多。
Conelet - drop is at a maximum when shoot extension occurs at a time close to anthesis.
本文还研究讨论了留营养枝与整枝棉花根系在土壤中的分布规律。
The root distribution of all treatment on the different soil profile were also conducted and discussed.
营养枝数、不定根数、匍匐茎、子间距和节间距在封育区和轻牧区相互间无差异，且营养枝数和不定根数在两样区最多。
The number of the vegetative shoots and stolons and distance between the two adjacent reproductive nodes and stolons were not significant difference between light grazing and fence plot.
营养枝数、不定根数、匍匐茎、子间距和节间距在封育区和轻牧区相互间无差异，且营养枝数和不定根数在两样区最多。
The number of the vegetative shoots and stolons and distance between the two adjacent reproductive nodes and stolons were not significant difference between light grazing and fence plot.
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