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AGRICULTURAL Agronomist alkaline ammonium hydroxide amounts of magnesia annual application applications of lime average yield best ratio Blacksburg burnt lime bushels of corn calcium and magnesium calcium carbonate calcium oxide carbonate cent lime check plat chert complete fertilizer corn per acre crop yields diﬁerent drainage water drop in yield eﬁect eight plats Entomologist excess of lime excess of magnesia fertilizer treatment H. H. HILL Hagerstown hydrochloric acid inﬂuence Knox dolomite lime and magnesia lime plat lime to magnesia lime-magnesia ratio limestone ll.l llll magnesium carbonate magnesium oxide Montgomery County Nitrate of Soda nitrogen phosphoric acid plant food plant growth Plant Pathologist Plat 18 pounds of burnt precipitate produced proportion of lime ratio of lime received lime samples sand culture suﬂicient Sulphate of Potash Superintendent type of soil VIRGINIA yield on Plat