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 - 0-582-00557-4 AV - S599.9.T76 B66 1991 U1 - 631.4/9113 19 PY - 1991/// CY - London PB - Booker Agriculture International Ltd. KW - Soils KW - Tropics KW - Handbooks, manuals, etc KW - Soil surveys KW - Land capability for agriculture N1 - Includes index; Bibliography: p. 411-434 ER -