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Xu, J. Z., Wei, Q., Peng, S. Z. et al. (2012). Distribution Characteristics and Potential Environmental Effects of Soil Moisture under Partial Wet Irrigation. Journal of Water Resources and Water Engineering, 23, 1-6.

has been cited by the following article:

  • TITLE: Effect of Vertical Distribution of Soil Water on N2O Emission under Drip Irrigation

    AUTHORS: Weihan Wang

    KEYWORDS: Drip Irrigation, N2O, Emissions, Soil Moisture, Vertical Distribution

    JOURNAL NAME: Journal of Geoscience and Environment Protection, Vol.6 No.12, December 27, 2018

    ABSTRACT: N2O emission has obvious water effect, but the current research is not deep enough. The soil wetting mode of drip irrigation technology is obviously different from that of conventional irrigation. Using the method of soil box indoor simulation, the N2O emission under different soil vertical water content was analyzed. Hydrus Software was used to simulate the soil wetting body under different drip irrigation technical parameters, the relationship between the combination of drip irrigation technical parameters and soil vertical water content was studied, and then the relationship between the N2O emission and the combination of drip irrigation technical parameters was proposed. The results showed that soil N2O emission flux increased with the increase of soil moisture, and the maximum emission flux was three times as much as the minimum emission flux. Under the condition of uniform distribution of soil moisture, soil N2O emission flux was smaller than that under non-uniform distribution of soil moisture. Hydrus software simulation results show that drip flow rate is 2.0 L/h, the irrigation period is 5 days, the irrigation quota is 12 mm, and the soil N2O emission flux is the largest. Adjusting the combination of technical parameters of drip irrigation can reduce soil N2O emission flux.