不同覆盖时期和覆盖方式对旱地冬小麦经济和环境效应的影响
毛安然1(),赵护兵1(),杨慧敏1,王涛1,陈秀文1,梁文娟2
Effects of Different Mulching Periods and Mulching Practices on Economic Return and Environment
MAO AnRan1(),ZHAO HuBing1(),YANG HuiMin1,WANG Tao1,CHEN XiuWen1,LIANG WenJuan2

图4. 不同覆盖时期以及覆盖方式下产生的温室气体排放强度

Fig. 4. The intensity of greenhouse gas emissions under different mulching period and mulching practices