大田长期水氮处理对土壤氮素及小麦籽粒淀粉糊化特性的影响

李莎莎,马耕,刘卫星,康娟,陈雨露,胡阳阳,张盼盼,王晨阳

Effects of Long-Term Irrigation and Nitrogen Regimes on Soil Nitrogen Content and Paste Property of Wheat Grain

Sha-Sha LI,Geng MA,Wei-Xing LIU,Juan KANG,Yu-Lu CHEN,Yang-Yang HU,Pan-Pan ZHANG,Chen-Yang WANG

表1 播种前试验田0~20 cm土层养分含量

Table 1 Soil nutrient contents in 0-20 cm soil layer of experiment field before sowing

生长季 Growth season 全氮 Total nitrogen (g kg-1) 碱解氮 Hydrolysable nitrogen (mg kg-1) 速效磷 Available P (mg kg-1) 速效钾 Available K (mg kg-1) 有机质 Organic matter (g kg-1) pH 2014-2015 0.83±0.11 78.31±11.63 12.44±1.35 182.6±60.06 15.96±1.00 8.31±0.08 2015-2016 0.81±1.13 80.48±12.80 13.21±0.56 184.0±62.04 15.92±1.06 8.26±0.11