00556nam a2200181Ia 4500 CTU_170170 210402s9999 xx 000 0 und d 633.1 I.61 Integrated crop and recource management in the rice-wheat system of South Asia Edited by J. K. Ladha ... [et al] Makaty city 9Philippines) IRRI 2009 Rice-wheat,Canh tác lúa mì Research Nguyên Trung tâm Học liệu Trường Đại học Cần Thơ