00769nam a2200217Ia 4500 CTU_58484 210402s9999 xx 000 0 und d 631.42 Kh401 604474 Lê, Văn Khoa Physical fertility of typical Mekong Delta soils (Vietnam) and land suitability assessment for alternative crops with rice cultivation = Luận văn Thạc sĩ khoa học Địa Lý. Chuyên ngành: Địa lý tài nguyên môi trường Lê Văn Khoa The Netherlands Universiteit Gent 2003 soil fertility mekong delta Minh Trung tâm Học liệu Trường Đại học Cần Thơ