root growth promoting agent 促根剂
plant growth-promoting agent 植物生长促进剂
The tests showed that TET tobacco growth regulation agent had an obvious promoting effect upon seed and root system activity and tobacco growth and development.
试验表明，TET烟草生长调节剂对烟草种子活力、根系活力及烟株生长发育有明显的促进作用。
The fruit promoting agent is applied to fruit tree to convert the vegetative growth into reproductive growth and to promote fruit tree fruiting.
该催果剂解决果树树大叶茂但不挂果或挂果少的问题，将营养生长转为生殖生长。
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