土壤学报2000，Vol.37Issue(4)：499-515,17.
土壤水分状况和质地对稻田N2O 排放的影响
EFFECT OF SOIL WATER REGIME AND SOIL TEXTURE ON N2O EMISSION FROM RICE PADDY FIELD
摘要
Abstract
Plot experiment was carried out to study the effect of soil water regime and soil texture on N2O emission from rice paddy field in Fengqiu ecological experimental station, Chinese Academy of Sciences in 1994. The results showed that N2O emission was mainly affected by soil water regime. N2O emission was very low when the soil was flooded, while N2O emission during soil drying period accounted for as high as 87.50%～98.65% of the total seasonal N2O emission. Soil texture significantly influenced N2O emission from rice paddy field. N2O emission from sandy soil was significantly higher than that from loam and clay soils. Seasonal mean N2O fluxes from sandy, loam and clay soils were 137.63、87.54 and 63.46g N2O-.m－2.h－1, respectively.关键词
稻田,N2O,土壤质地,土壤水分状况Key words
Rice paddy field/Nitrous oxide/Soil texture/Soil water regime分类
农业科技引用本文复制引用
徐华,邢光熹,蔡祖聪,鹤田治雄..土壤水分状况和质地对稻田N2O 排放的影响[J].土壤学报,2000,37(4):499-515,17.基金项目
本项研究受国家自然科学基金会资助(批准号49371039) （批准号49371039）
