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1 土壤基础肥力

Table 1 Soil base fertility

土壤深度 Soil depth (cm) 有机质 Organic matter (g/kg) 全氮 Total nitrogen (g/kg) 碱解氮 Available nitrogen (mg/kg) 有效磷 Available phosphorus (mg/kg) 速效钾 Available potassium (mg/kg) pH 0~10 4.622 0.335 13.776 9.06 53.88 8.62 10~20 9.785 0.597 25.294 25.36 97.68 8.76 20~30 11.176 0.705 47.563 40.20 130.80 8.35 30~40 8.305 0.494 30.203 13.13 91.92 8.53 40~50 8.570 0.376 23.735 10.18 106.12 8.59 50~60 9.528 0.722 35.710 30.23 116.67 8.67 60~70 8.933 0.680 26.751 16.96 110.62 8.88 70~80 6.323 0.336 10.887 13.02 101.46 8.52