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根据3个大豆品种6个播期的多次取样资料,以Logistic方程分析了单株生物产量的积累,以对称“S”形曲线分析了单株荚重和单荚重的积累进程。大豆早熟品种单株生物产量积累,在出苗后50天左右达到最大值,始花至鼓粒盛期最快。早熟品种单株荚重的有效积累时间比晚熟品种短约10天,但单个荚重的平均增长速率比晚熟品种快约10mg/荚·日。
Based on the data of six sowing dates of three soybean cultivars, the bioaccumulation of single plant was analyzed by Logistic equation. The process of pod weight and single pod weight accumulation was analyzed by symmetrical “S” curve. Soybean precocious species per plant bioaccumulation accumulation, reached the maximum in about 50 days after emergence, the highest flowering to drum grain filling the fastest. The effective accumulation time of pod weight of early maturing varieties was shorter than that of late maturing varieties by about 10 days, but the average growth rate of single pods was about 10 mg / p.day faster than that of late maturing varieties.