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对新疆棉区南疆亚区中产棉田2品种3密度棉株N、P吸收及分配规律的研究表明，棉株N、P含量变化规律与干物质累积规律相同；单位干重N、P含量变化较棉株总N、P含量变化对研究棉花需肥规律及生理变化的影响更有意义;N、P分配率表明，随生育期推迟，茎叶N、P分配率逐渐下降，性器官N、P分配率逐渐上升。
The study on N and P uptake and distribution of 2 varieties of 3 cottons in middle cotton field in southern Xinjiang showed that the variation of N and P contents in cotton plants was the same as that of dry matter accumulation. The changes of total N and P contents in cotton plants were more significant for the study on the rules of fertilizer demand and physiological changes of cotton. The N and P distribution rates showed that the distribution of N and P in stems and leaves decreased gradually with the delay of growth period, Distribution rate gradually increased.