Six Lectures on the Investigations at Rothamsted Experimental Station Delivered Under the Provisions of the Lawes Agricultural Trust: Before the Association of American Agricultural Colleges and Experiment Stations at Washington, D. C., August 12-18, 1891
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Six Lectures on the Investigations at Rothamsted Experimental Station Delivered Under the Provisions of the Lawes Agricultural Trust: Before the Association of American Agricultural Colleges and Experiment Stations at Washington, D. C., August 12-18, 1891
