TY - BOOK AU - Thorne,David Wynne AU - Thorne,Marlowe D. TI - Soil, water, and crop production SN - 0870552813 AV - S589.7 .S64 U1 - 630/.27/45 PY - 1979/// CY - Westport, Connecticut PB - AVI Publishing Company KW - Agricultural ecology KW - Agricultural geography KW - Agriculture KW - Cropping systems N1 - Includes bibliographies and index ER -