TY - BOOK TI - Field crops UR - https://www.biodiversitylibrary.org/item/60199 PB - Webb Pub. Co CY - St. Paul, Minn PY - 1918 ET - Rev. AU - Wilson, A. D. (Archie Dell), AU - Warburton, C. W. (Clyde William), KW - Agriculture KW - United States ER -