长期少免耕与氮肥减量对全膜双垄沟播玉米产量及碳排放的调控作用

周永杰,谢军红,李玲玲,王林林,罗珠珠,王进斌

Effects of Long-Term Reduce/Zero Tillage and Nitrogen Fertilizer Reducing on Maize Yield and Soil Carbon Emission Under Fully Plastic Mulched Ridge-Furrow Planting System

ZHOU YongJie,XIE JunHong,LI LingLing,WANG LinLin,LUO ZhuZhu,WANG JinBin

图2 不同施氮水平下耕作方式对0—30 cm土层有机碳含量的影响 图中不同小写字母表示在0.05水平上差异显著,不同短线表示标准误（n=3）

Fig. 2 Effects of different tillage practices on soil (0-30 cm) organic carbon content under nitrogen levels Different small letters in the figure are significantly different at P<0.05. Bars represent standard errors (n =3)