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通过不同的密度和株高正交试验,研究和分析在新疆博州棉田密度和株高对产量和产量结构的影响最佳效应,主要采用了两因素三水平正交组合设计随机区组排例的方法进行小区试验,试验结果表明产量最高的处理为(A2B2)667m2折合籽棉产量达到378.33(kg),比其他处理组合增产幅度10.59～182.55kg,增产率幅度为2.88%～93.2%,产量最低的处理为(A1B3)667m2折合籽棉产量195.78kg。方差分析结果表明,株高间和密度间差异均为达到了显著水平,处理间差异达到了极显著水平,因此建议在667m2株数1.6万株,株高控制在65cm情况下,棉花增产增收提高经济效益。
Through orthogonal experiment of different density and plant height, the best effect of density and plant height on the yield and yield structure in cotton field in Bozhou of Xinjiang was studied and analyzed. Randomized block arrangement of two factors and three levels orthogonal design was mainly used (A2B2) 667m2, the yield of the equivalent seed cotton reached 378.33 (kg), which was 10.59-182.55kg higher than that of other treatments, the rate of increase was 2.88% -93.2%, and the yield was the lowest The treatment of (A1B3) 667m2 equivalent to the seed cotton yield 195.78kg. Analysis of variance showed that the differences between plant height and density reached a significant level, and the difference between treatments reached an extremely significant level. Therefore, it is suggested that when the plant number is 667m2 and the plant height is controlled at 65cm, the increase of cotton yield will increase the economy benefit.