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棉花体内重要的生理活动都与磷素有关。为了进一步了解磷素进入棉株及其运转和分布的规律,并依此作为制定棉花丰产技术措施的理论根据。我们曾在1960—1962年,用~(32)P作磷的示踪剂,对棉花进行了研究。一、材料与方法试验分别在大田和盆钵进行。大田密度4250株/亩,宽窄行,一般管理水平;盆栽在
Important physiological activities in cotton are related to phosphorus. In order to further understand the law of phosphorus entering cotton plant and its operation and distribution, and as a theoretical basis for formulating technical measures for cotton yield. We studied cotton from 1960 to 1962 using 32 P as a tracer for phosphorus. First, materials and methods were tested in the field and pots. Field density 4250 plants / mu, width of the line, the general management level; potted in