Campbell's 1907 soil culture manual a complete guide to scientific agriculture as adapted to the semi-arid regions. by Herbert Campbell Published in 1909, The Campbell soil culture co. (inc.) (Lincoln, Nebr) Campbell's 1907 soil culture manual Herbert Campbell Change Cover Read Online works: Campbell's 1907 soil culture manual By statement: By H. W. Campbell ... 5th thousand. Source records: Internet Archive: campbellssoilcul00camprich Language: English Pagination: 320 p. LCCN: 09014405 Subject: Dry farming.
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