海岛棉氮高效品种筛选与氮效率综合评价

段松江, 木丽迪尔·拜波拉提, 彭增莹, 申莹莹, 吴一凡, 付锦程, 郭仁松, 张巨松

Screening of Nitrogen High-Efficiency Varieties and Comprehensive Evaluation of Nitrogen Efficiency of Sea Island Cotton

Duan Songjiang, Mulidier∙Baibolati, Peng Zengying, Shen Yingying, Wu Yifan, Fu Jincheng, Guo Rensong, Zhang Jusong

表1 土壤基础肥力

Table 1 Soil base fertility

土壤深度 Soil depth (cm) 全氮 Total nitrogen (g/kg) 有机质 Organic matter (g/kg) 水解性氮 Hydrolyzed nitrogen (mg/kg) 速效磷 Available P (mg/kg) 速效钾 Available K (mg/kg) 0~10 0.42 8.26 35.0 26.3 83 10~20 0.49 7.65 66.4 32.9 89 20~30 0.46 7.08 44.4 32.0 87 30~40 0.30 5.90 40.6 16.6 103 40~50 0.24 4.24 35.0 7.3 138 50~60 0.25 4.06 51.7 26.6 145