施氮量与种植密度对海岛棉铃叶系统抗氧化特性的影响

张承洁, 王丽, 胡浩然, 宁丽云, 吴一帆, 张巨松

Effects of Nitrogen Application Rate and Planting Density on Antioxidant Properties of Boll-Leaf System in Gossypium barbadense L.

Zhang Chengjie, Wang Li, Hu Haoran, Ning Liyun, Wu Yifan, Zhang Jusong

表3 不同处理下海岛棉的产量及其构成因素

Table 3 Yield and its components of sea island cotton under different treatments

种植密度 Planting density 施氮量 Nitrogen application rate 收获株数 Number of plants harvested (/hm2) 单株结铃数 Boll number per plant 单铃重 Single boll weight (g) 衣分 Lint percentage (%) 籽棉产量 Seed cotton yield (kg/hm2) 皮棉产量 Lint yield (kg/hm2) M20 N0 178 137.65c 8.29cde 2.96a 33.94ab 4410.13d 1493.14cd N1 180 836.71c 8.90abcd 3.17a 33.99a 5105.85bcd 1737.58bcd N2 180 161.94c 10.27a 3.03a 33.07bc 5609.19abc 1857.32abcd N3 179 487.18c 9.86ab 3.08a 33.35abc 5467.91abcd 1822.17abcd M24 N0 223 346.83b 7.91cde 2.62bc 33.48abc 4617.89cd 1542.42cd N1 224 696.36b 7.60de 3.08a 33.11abc 5239.37abcd 1735.25bcd N2 222 672.06b 9.26abc 3.07a 33.89ab 6329.30a 2143.50a N3 224 021.60b 8.35bcde 3.03a 33.25abc 5655.41abc 1881.20abc M28 N0 249 662.62a 7.51de 2.46c 32.01bc 4598.71cd 1473.33d N1 242 240.22a 7.32e 2.99a 31.70c 5278.54abcd 1672.56cd N2 245 614.04a 8.52bcde 2.98a 33.23abc 6242.89ab 2074.55ab N3 244 264.51a 8.46bcde 2.92bc 34.33a 6045.35ab 2080.52ab 施氮量Nitrogen application rate (N) ns ** ** ns ** ** 种植密度Planting density (M) * ** * ns ns ns 施氮量×密度 Nitrogen application rate×Planting density (N×M) ns ns ns ns ns ns