Crop yields, internal nutrient efficiency, and changes in soil properties in rice-wheat rotations under non-flooded mulching cultivation

Liu, XJ; Jiang, RF; Zhang, FS; Lu, SH; Zeng, XZ; Christie, P; SCI

机构： China Agr Univ, Dept Plant Nutr, Key Lab Plant Nutr, Minist Agr, Beijing 100094, Peoples R China; Minist Educ, Key Lab Plant Soil Interact, Beijing 100094, Peoples R China; Sichuan Acad Agr Sci, Inst Soils & Fertilizers, Chengdu 610066, Peoples R China; Queens Univ Belfast, Dept Agr & Environm Sci, Belfast BT9 5PX, Antrim, North Ireland; China Agr Univ, Dept Plant Nutr, Key Lab Plant Nutr, Minist Agr, Beijing 100094, Peoples R China; Minist Educ, Key Lab Plant Soil Interact, Beijing 100094, Peoples R China; Sichuan Acad Agr Sci, Inst Soils & Fertilizers, Chengdu 610066, Peoples R;

来源：PLANT AND SOIL年份：2005

关键词： internal nutrient efficiency nutrient balance rice-wheat cropping system soil fertility straw management water saving