山西省农业科学院汾阳经济作物研究所于1959～1962年进行了王继成植棉经验的研究.研究内容共分三个部分:一、高产早熟的稳定性;二、高产早熟的生理基础;三、综合技术的有机配合.第一、三部分已发表于本刊1961年1期和1962年3期.本文是第二部分生理基础的研究结果. Shanxi Academy of Agricultural Sciences Fenyang Institute of Economic Crops Wang Jicheng from 1959 to 1962 carried out the experience of cotton-growing. Research is divided into three parts: First, the stability of high-yielding precocious; Second, the physiological basis of high-yielding precocious; Third, Organic synthesis of integrated technology.The first and third parts have been published in this issue 1961 1 and 1962 3. This article is the second part of the physiological basis of the research results.