By using soil bores and closed chamber methods, field experiments were carried out in the semiarid area of dry land to study the effects of irrigation and rainfall on the N2O loses.

• 摘要利用土壤探头法和密闭气室法相结合，就黄土高原旱地土壤玉米生长期灌溉和降水对N2O气态损失的影响进行了研究；