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苧麻不同密度与群体结构下的个体生态生理特性具有规律性变化。每亩栽植密度保持10,000株左右,有效分株控制在25,000—30,000株左右,叶面积系数6—7的光能利用率最大。三季麻地上茎生长速率分别在4月下旬、6月上旬、8月上旬左右出现三个高峰,而地上部与地下部相对生长率曲线分别在5月下旬、7月下旬、10月上中旬左右出现三个高峰。不同地下茎部位内部生理变化和代谢作用有差异。长期营养繁殖没有退化现象,它也象有性繁殖那样能产生阶段性较年轻的细胞和器官。
Ramie density and population structure of individual ecological and physiological characteristics of a regular change. Planting density per mu remained about 10,000, the effective control of about 25,000-30,000 ramets, leaf area coefficient of 6-7 the maximum utilization of light energy. The stems growth rate of three season marijuana appeared in three peaks in late April, early June and early August, respectively, while the relative growth rate curve of aerial part and underground part appeared in late May, late July and middle of October respectively Three peaks. Physiological changes and metabolism in different underground stem parts are different. Long-term vegetative reproduction does not degenerate, it also produces more phased cells and organs as sexual reproduction.