Nitrogen input, N-15 balance and mineral N dynamics in a rice-wheat rotation in southwest China

Lu, Shihua; Jiang, Rongfeng; Liu, Xuejun; Zeng, Xiangzhong; Goulding, Keith W. T.; Zhang, Fusuo; SCI

机构： China Agr Univ, Dept Plant Nutr, Beijing 100094, Peoples R China; Minist Agr, Key Lab Plant Nutr & Nutrient Cycling, Beijing 100094, Peoples R China; Minist Agr, Key Lab Plant Soil Interact, Beijing 100094, Peoples R China; Sichuan Acad Agr Sci, Inst Soils & Fertilizers, Chengdu 610066, Peoples R China; Rothamsted Res, Agr & Environm Div, Harpenden AL5 2JQ, Herts, England; China Agr Univ, Dept Plant Nutr, Beijing 100094, Peoples R China; Minist Agr, Key Lab Plant Nutr & Nutrient Cycling, Beijing 100094, Peoples R China; Minist Agr, Key Lab Plant Soil Interact, Beijing 100094,;

来源：NUTRIENT CYCLING IN AGROECOSYSTEMS年份：2007

关键词： alternate soil wetting and drying integrated nutrient management N-15 labelled urea nitrogen budget nitrogen cycling rice-wheat cropping system