氮肥对室内和大田条件下作物秸秆分解和养分释放的影响

张学林,周亚男,李晓立,侯小畔,安婷婷,王群

Effects of Nitrogen Fertilizer on Crop Residue Decomposition and Nutrient Release Under Lab Incubation and Field Conditions

ZHANG XueLin,ZHOU YaNan,LI XiaoLi,HOU XiaoPan,AN TingTing,WANG Qun

图2. 大田条件下小麦和玉米秸秆分解期间地表和20 cm土层土壤含水量变化
*,**,***分别表示处理之间0.05,0.01和0.001水平的差异显著性。下同

Fig. 2. Dynamics of soil moisture in surface and 20 cm soil layer during wheat and maize residue decomposition periods under field conditions
*, **, *** Represent the significant difference at 0.05, 0.01和0.001 levels, respectively. The same as below