How crops grow; a century later Day, Peter R., 1928- contributor Johnson, Samuel W. (Samuel William), 1830-1909 How crops grow. contributor text book New Haven Connecticut Agricultural Experiment Station 1969 1969
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ENG "A series of lectures to celebrate the centennial of How crops grow, by Samuel W. Johnson --1868. Delivered September 17, 1968-May 19, 1969." (Samuel William), 1830-1909 Agricultural chemistry Field crops Growth (Plants) Johnson, Samuel W physiology SB185.5 .H68 631.5 Bulletin (Connecticut Agricultural Experiment Station), 708 https://www.biodiversitylibrary.org/bibliography/51082 8219940 75632570 10.5962/bhl.title.51082 DLC