Landon, J. R Booker tropical soil manual: a handbook for soil survey and agricultural evaluation in the tropics and subtropics edited by J. R. Landon - Harlow: Longman Scientific & Technical 1991 - xiv, 474p. : ill. ISBN: 0582005574 Subjects--Topical Terms: Soil management - TropicsSOILS LC Class. No.: S 599.9.T76 Boo