Do organic amendments improve yield trends and profitability in intensive rice systems?

Dobermann, A; Ladha, JK; Yadav, RL; Bao, L; Gupta, RK; Lal, P; Panaullah, G; Sariam, O; Singh, Y; Swarup, A; Zhen, QX; SCI

机构： Int Rice Res Inst, Manila, Philippines; Univ Nebraska, Dept Agron & Hort, Lincoln, NE 68583 USA; Modipuram, Project Directorate Cropping Syst Res, Meerut 250110, Uttar Pradesh, India; Chinese Acad Agr Sci, Inst Soil & Fertil, Beijing, Peoples R China; NASC Complex, Rice Wheat Consortium, New Delhi 110012, India; Govind Ballabh Pant Univ Agr & Technol, Pantnagar 263145, Uttar Pradesh, India; Bangladesh Rice Res Inst, Gazipur, Bangladesh; Malaysia Agr Res & Dev Inst, Seberang Perai, Malaysia; Cent Soil Salin Res Inst, Soil & Crop Management Div, Karnal 132001, Haryana, India; Sichuan Acad Agr Sci Luzhou, Rice & Sorghum Res Inst, Sichuan, Peoples R China;

来源：FIELD CROPS RESEARCH年份：2003

关键词： organic amendments inorganic fertilizer rice wheat rice-rice systems rice-wheat systems long-term experiments FYM straw