TY - BOOK AU - Landon,J.R. TI - Booker tropical soil manual: a handbook for soil survey and agricultural land evaluation in the tropics and subtropics SN - 0582460492 PY - 1984/// CY - London PB - Longman KW - Soils KW - Tropics KW - Handbooks,manuals,e tc N1 - Includes bibliography and index; Open access ER -