00873nam a2200229Ia 4500 CTU_144219 210402s9999 xx 000 0 und d 2926500 631.47113 B724 Booker tropical soil manual : A hand book for soil survey and agricultural land evaluation in the tropics and Subtropics Edited by J.R. Landon New York Longman Scientific & Technical 1991 Contents: Types of land resource field studies, survey organisation and practice, classification and mapping of soils,... Đánh giá số liệu hóa phân tích NN689 Soil surveys,Khảo sát đất Tropics,Vùng nhiệt đới Trung tâm Học liệu Trường Đại học Cần Thơ