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
图1 秸秆还田及生物炭施入对不同生育期叶含氮量的影响
不同小写字母表示在同一生育时期各处理间存在显著差异(P<0.05),下同
Fig.1 Effects of straw and biochar addition on N content of leaf in different growth stages
Different lowercase letters indicate significant difference between treatments in the same growth stage (P<0.05), the same below