Artificial manures; their chemical selection and scientific application to agriculture . ELD per acre. lbs. Bushels . 2,643. 1,132 18 3,775 Normal Manure. EXPERIMENTAL FIELD AT VINCENNES.—HARVEST OF YIELD PER ACRE. StrawGrain lbs. Bushels 6,1083,300 50i Nitrogenous Manure without MineralMatter.

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