"Reprinted from the Journal of industrial and engineering chemistry, vol. 12, no. 4, p. 340; no. 5, p. 457; no. 6, p. 559. April, May and June 1920."Vita.Thesis (Ph. D.)--University of Illinois, 1917.Bibliographical foot-notes.Mode of access: Internet
Site-specific management of soil pH is a precision agriculture practice that can provide positive eco...
Acidity distribution within any given soil profile is dependent on mineralogical make-up of the pare...
"Reprinted from Soil science, vol VII, no. 5, May, 1919."Thesis (Ph. D.)--Cornell University, 1916."...
Thesis (Ph.D.)--University of Illinois, 1917.Primarily typescript; leaves of plates are blueprint co...
Vita.Primarily typescript; leaves of plates are blueprint copies of ms.Thesis (Ph.D.)--University of...
"Reprinted from Soil science, vol. 10, no. 3, September, 1920"Vita.Thesis (Ph.D.) - University of Il...
Typescript.Thesis (M.S.)--University of Wisconsin--Madison, 1918.Includes bibliographical references...
Typescript.Thesis (M.S.)--University of Wisconsin--Madison, 1906.Mode of access: Internet
Typescript.Thesis (M.S.)--University of Wisconsin--Madison, 1922.Includes bibliographical references...
Typescript.Thesis (B.S.)--University of Illinois, 1916.Includes bibliographical references.Mode of a...
Published February 1925. Facts and recommendations in this publication may no longer be valid. Pleas...
Early agriculturists discovered the difference between acid and alkaline soils by means of the trial...
Presented at the Joint Meeting of Commission II (Soil chemistry) and Commission IV (Soil Fertility a...
Thesis (M.S.)--Massachusetts Agricultural College, 1921.Mode of access: Internet
Vita.Typescript.Thesis (B.S.)--University of Illinois, 1914.Includes bibliographical references.Mode...
Site-specific management of soil pH is a precision agriculture practice that can provide positive eco...
Acidity distribution within any given soil profile is dependent on mineralogical make-up of the pare...
"Reprinted from Soil science, vol VII, no. 5, May, 1919."Thesis (Ph. D.)--Cornell University, 1916."...
Thesis (Ph.D.)--University of Illinois, 1917.Primarily typescript; leaves of plates are blueprint co...
Vita.Primarily typescript; leaves of plates are blueprint copies of ms.Thesis (Ph.D.)--University of...
"Reprinted from Soil science, vol. 10, no. 3, September, 1920"Vita.Thesis (Ph.D.) - University of Il...
Typescript.Thesis (M.S.)--University of Wisconsin--Madison, 1918.Includes bibliographical references...
Typescript.Thesis (M.S.)--University of Wisconsin--Madison, 1906.Mode of access: Internet
Typescript.Thesis (M.S.)--University of Wisconsin--Madison, 1922.Includes bibliographical references...
Typescript.Thesis (B.S.)--University of Illinois, 1916.Includes bibliographical references.Mode of a...
Published February 1925. Facts and recommendations in this publication may no longer be valid. Pleas...
Early agriculturists discovered the difference between acid and alkaline soils by means of the trial...
Presented at the Joint Meeting of Commission II (Soil chemistry) and Commission IV (Soil Fertility a...
Thesis (M.S.)--Massachusetts Agricultural College, 1921.Mode of access: Internet
Vita.Typescript.Thesis (B.S.)--University of Illinois, 1914.Includes bibliographical references.Mode...
Site-specific management of soil pH is a precision agriculture practice that can provide positive eco...
Acidity distribution within any given soil profile is dependent on mineralogical make-up of the pare...
"Reprinted from Soil science, vol VII, no. 5, May, 1919."Thesis (Ph. D.)--Cornell University, 1916."...