The Influence of N₂O Emission to Water and Nitrogen Coupling Mechanism in Black Soil under Drip Irrigation Mode

Table 5

Correlation analysis between soil temperature and N₂O emission flux under different drip rates.

Drip irrigation amount	The correlation coefficient
	The soil surface temperature	5 cm deep soil temperature	10 cm deep soil temperature
300 mm	0.194	0.225	0.281
350 mm	0.544	0.548	0.527
400 mm	0.551	0.583	0.620