The Relation of Fertilizer to the American Farmer and His Soil during the Nineteenth Century

Smith, Marschall Abbott2014-09-182026-09-292014-09-182026-09-291942http://arks.princeton.edu/ark:/88435/dsp015t34sk87whttps://theses-dissertations.princeton.edu/handle/88435/dsp015t34sk87w110 PagesThe Relation of Fertilizer to the American Farmer and His Soil during the Nineteenth CenturyPrinceton University Senior Theses