“…Since at least 1909 a stream of research has studied the soil and agricultural environment of the ancient Maya world (Cook, 1909(Cook, , 1921Emerson and Kempton, 1935;Steggerda, 1941;Higbee, 1948;Hester, 1953;Cowgill, 1962;Olson, 1970Olson, , 1981Turner, 1974;Flannery, 1982;Bloom et al, 1983;Muhs et al, 1985;Pohl, 1985;Wilken, 1987;Coultas et al, 1992;Wingard 1996;Dunning, 1992;Dunning and Beach, 1994;Jacob, 1995Jacob, , 1996Fedick, 1996;Beach andDunning, 1995, 1997;Beach, in press). Some forms of intensive cultivation (i.e., agricultural terraces) were recognized early (Gann, 1925), but long-fallow milpa systems were seen as the likely ancient Maya agricultural system, producing enough food for 40 -70 persons in the central Peté n of Guatemala (Cowgill, 1961).…”