This paper deals with leaf, stem and root growth of ten kinds (including clones, varieties and species) of one year poplar seedlings grown from cuttings.

本文对十个杨树种类(其中有无性系、变种，和种)一年生插条苗的叶、茎和根的生长及相互关系进行了研究。

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The dry matter partitioning indices of green leaf, stem and pod varied with the physiological development, and were influenced by the genotype, sowing date, nitrogen level and water status.

各器官干物质分配指数随着生理发育时间而变化，基因型、播期、氮素及水分水平影响各器官干物质在地上部分配的大小。

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The colours used are mainly natural: reds, blues, browns and whites produced from dyestuffs including madder, indigo, lettuce leaf, walnut skin, cherry stem and pomegranate skin.

UNESCO: Culture