不同秸秆还田方式对北方超级稻氮素吸收利用的影响

崔月峰,孙国才,卢铁钢,王桂艳,王健,黄文佳,栾和林

Effects of Different Straw Return Modes on Nitrogen Absorption and Utilization of Super Rice in Northern China

Yuefeng Cui,Guocai Sun,Tiegang Lu,Guiyan Wang,Jian Wang,Wenjia Huang,Helin Luan

表1 秸秆及生物炭主要理化性质

Table 1 Major physical and chemical properties of straw and biochar used in this study

指标Index N (%) P (%) K (%) C (%) pH 秸秆Straw 0.87 0.45 2.04 50.36 6.93 生物炭Biochar 1.28 0.73 1.46 63.27 9.02