新疆棉花“矮、密、早”栽培历史、现状和展望

娄善伟,董合忠,田晓莉,田立文

The " Short, Dense and Early" Cultivation of Cotton in Xinjiang: History, Current Situation and Prospect

LOU ShanWei,DONG HeZhong,TIAN XiaoLi,TIAN LiWen

表4 产量构成因素指标范围调查情况

Table 4 Survey on the scope of indicators of yield components

数值 Numerical value 收获株数 Number of harvested trees (×104 plants/hm2) 单株铃数 Number of bolls per plant 单铃重 Weight per boll (g) 衣分 Lint percentage 籽棉产量 Yield (kg·hm-2) 最小值 Minimum 19.20 5.00 5.49 40.5 7171.1 最大值 Maximum 22.50 8.80 6.14 41.2 8820.5 均值Average 20.90 6.90 5.83 40.6 7995.8