Effect of irrigation method and N-fertilizer management on rice yield, water productivity and nutrient-use efficiencies in typical lowland rice conditions in China - Cabangon, Romeo J.; Tuong, To Phuc; Castillo, Ernesto G.; Bao, Lang Xing; Lu, Guoan; Wang, Guangho; Cui, Yuanlai; Bouman, Bas A.M.; Li, Yuanhua; Chen, Chongde; Wang, Jianzhang (Springer, 2004)