立式深旋耕作对马铃薯农田土壤温室气体排放的影响

缪平贵, 于显枫, 张绪成, 方彦杰, 侯慧芝, 王红丽, 马一凡, 窦学诚

Effects of Vertical Deep Rotary Tillage on Soil Greenhouse Gas Emissions from Potato Farmland

Pinggui Miao, Xianfeng Yu, Xucheng Zhang, Yanjie Fang, Huizhi Hou, Hongli Wang, Yifan Ma, Xuecheng Dou

表2 不同耕作措施下土壤水分（0~30cm）与农田温室气体排放通量的回归方程

Table 2 Regression equations of soil moisture (0-30cm) and greenhouse gas emission fluxes under different tillage measures

气体排放通量 Gas emission flux	处理 Treatment	回归方程 Regression equation	决定系数 Coefficient of determination (R²)	相关系数 Correlation coefficient (r)
N₂O排放通量	TT-P	y=1.0920x-14.2490	0.4129	0.642^*
N₂O emission flux	VRT-P	y=1.6279x-23.5470	0.4493	0.671^*
	VRT-FL	y=1.1503x-19.5530	0.7138	0.844^**
	TT-FL	y=0.7816x-13.1510	0.8563	0.925^**
CO₂排放通量	TT-P	y=92.5140x-1223.8000	0.5584	0.723^*
CO₂ emission flux	VRT-P	y=111.5600x-1550.6000	0.8008	0.913^**
	VRT-FL	y=49.7470x-576.7400	0.8866	0.993^**
	TT-FL	y=33.9710x-229.3800	0.4025	0.634^*