秸秆还田深度对土壤温室气体排放及玉米产量的影响

朱晓晴,安晶,马玲,陈松岭,李嘉琦,邹洪涛,张玉龙

Effects of Different Straw Returning Depths on Soil Greenhouse Gas Emission and Maize Yield

XiaoQing ZHU,Jing AN,Ling MA,SongLing CHEN,JiaQi LI,HongTao ZOU,YuLong ZHANG

表4 秸秆不同还田深度对玉米产量及产量构成因素的影响

Table 4 Effects of different depths of straw returning on maize yield and yield components

处理 Treatment 百粒重 100-grain weight (g) 穗粗 Ear diameter (cm) 穗长 Ear length (cm) 行粒数 Grain number of row (No.) 产量 Yield (t·hm-2) CK 33.12±0.85c 16.05±0.12a 18.68±0.18a 42.50±1.18b 11.75±0.11c T1 34.05±0.44bc 16.27±0.21a 19.05±0.87a 43.83±1.49b 12.54±0.13b T2 35.92±0.29ab 16.15±0.55a 19.20±0.99a 44.67±1.33b 12.41±0.07b T3 36.15±0.16a 16.43±0.41a 19.70±1.06a 45.67±0.92b 14.02±0.11a T4 36.74±0.86a 16.74±0.17a 20.18±0.99a 49.98±0.79a 14.19±0.04a