Effect of NO3-and NH4++ on growth and water use of lowland rice and aerobic rice was studied by split-root method.

• 用分根法研究NO3-和NH4++对水稻‘越富’和旱稻‘297’生长和水分利用的影响,结果表明:与水稻相比,旱稻在NO3-中的生长最好。