There was periodicity in fruiting of Chieh-qua, plant growth and fruit development were in "s" trend.
节瓜坐果呈周期性，植株生长和果实发育均呈“S”型曲线变化。
The growth and development, yield and quality, photosynthetic assimilation, and structure of Chieh-qua were affected by extraneous factors such as n, p, K nutrition and plant growth regulator.
营养和外源生长调节剂等外界环境因素对节瓜的生长发育、产量品质、光合同化及其解剖结构均有一定的影响。
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