TY - BOOK TI - How crops grow. A treatise on the chemical composition, structure, and life of the plant, for all students of agriculture VL - (1868) UR - https://www.biodiversitylibrary.org/item/118696 PB - O. Judd & company CY - New York PY - 1868 AU - Johnson, Samuel W. (Samuel William), KW - Agricultural chemistry KW - Growth (Plants) ER -