00658nam a2200181Ia 4500 CTU_33584 210402s9999 xx 000 0 und d 633.18 Ngh301 Huỳnh Trung Nghĩa Water requirement of rice grown on clay soil as influenced by structure, water level and fertility Huỳnh Trung Nghĩa Cần Thơ Viện Đại Học Cần Thơ - Đại Học Nông Nghiệp 1974 plant-water relationships,rice, effect of clay soils on Minh, 991103 Trung tâm Học liệu Trường Đại học Cần Thơ