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Fertilizer Experiments on Corn ; Culture Experiments on Corn ; Variety Tests of Corn
Charles Morton StrahanGustave SpethJohn P.] [CampbellRobert Jordan ReddingW. L. Jones
出版Georgia Experiment Station, 1888
URLhttp://books.google.com.hk/books?id=uC9RAQAAMAAJ&hl=&source=gbs_api
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