TY - BOOK TI - Results of field crop, shelterbelt, and orchard investigations at the United States Dry Land Field Station, Ardmore, S.Dak, 1911-32 VL - no.421 UR - https://www.biodiversitylibrary.org/item/130465 PB - U.S. Dept. of Agriculture CY - Washington, D.C PY - 1937 N1 - Cover title. --- "Contribution from Bureau of Plant Industry." AU - Mathews, O. R. (Oscar Roland), AU - Clark, Verner I. (Verner Ivan), KW - Dry farming KW - Fruit-culture KW - South Dakota KW - Windbreaks, shelterbelts, etc ER -