00678nam a2200181Ia 4500 CTU_138604 210402s9999 xx 000 0 und d 631.41 M294 Manual for soil and water analysis P.Buurman, B. Van Lagen, E.J. velthorst Leiden Backhuys publishers 1996 The present manual contains most of the standars analytical methods that are used at the department of soil science and geology of the wageningen agricultural university. Soil science,Khoa học đất Tuyến Trung tâm Học liệu Trường Đại học Cần Thơ