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新疆春播早熟品种新陆早6号,棉株一生吸收积累养分的加速率变化规律,与内地棉区广泛种植的夏播早熟品种中棉所16和春播中熟品种中棉所12比较,介于它们之间。加速率峰值出现在出苗后第65天,依据加速率峰值出现时间偏晚及早熟棉区无霜期短的特点,应重施基肥,以促使棉株积累养分加速率峰值提前出现,促棉花前期茁壮、稳健生长,搭好丰产架子;如果追肥,结合新疆降雨很少、靠天山雪水灌溉的特点,适宜在头水前即蕾期进行。棉株吸收积累养分最多的时期,并不一定是最佳施肥时期,要有相当早的提前量,以便在土壤中完成化肥氮向土壤氮的转化。
Xinjiang early sowing variety Xinluzao 6, cotton plant life accumulation of nutrients to accelerate the rate of change, with the widely planted in the cotton paddy region in the early maturing varieties of cotton Cn 16 and spring sowing cotton varieties Cn 12, between Between them. The peak of acceleration appeared at the 65th day after emergence. According to the characteristics that the peak of acceleration appeared late and the frost-free period of premature mature cotton was short, the base fertilizer should be re-applied to promote the peak of acceleration of accumulation of cotton plant in advance, Steady growth, set a good yield shelves; if the top dressing, combined with little rainfall in Xinjiang, thanks to the Tianshan snow irrigation characteristics, suitable for head water before the bud stage. Cotton plants absorb the most accumulated nutrients during the period, not necessarily the best fertilization period, there should be a very early advance in order to complete the conversion of fertilizer nitrogen to soil nitrogen.