COMPARATIVE STUDY OF DECOMPOSITION RATES OF ORGANIC MATTER IN TEMPERATE AND TROPICAL REGIONS

University of California Received for publication May 14, 1949 1The senior author is indebted to R. H. Allee, Director of the International Institute of Agricultural Sciences at Turrialba, Costa Rica, for arranging the author's sojourn at the Institute, and to N. C. Ives and S. Bonilla for assistance in collecting soil samples and conducting experiments.