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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
71

Soil acidity, an ecological factor

Kelley, Arthur Pierson, January 1923 (has links)
Thesis (Ph. D.)--University of Pennsylvania. / "Reprint from Soil science, vol. XVI, no. 1, July, 1923." eContent provider-neutral record in process. Description based on print version record. Bibliography: p. 54.
72

Phosphate fixation in soils particularly as influenced by organic matter /

Doughty, Jesse Lowell. January 1934 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1934. / Typescript. With this is bound: Phosphate fixation in soils, particularly as influenced by organic matter / J.L. Doughty. Reprinted from Soil science, col. 40, no. 3 (Sep. 1935), p. 191-202. Includes bibliographical references (leaves 37-38).
73

Available calcium in soils, its importance and its determination

Chapman, Homer Dwight, January 1927 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1927. / Typescript. With this is bound: Methods for determining "available" soil calcium / H.D. Chapman. Reprinted from Journal of the American Society of Agronomy, vol. 21, no. 1 (Jan. 1929), p. 92-106. Includes bibliographical references (leaves [70]-[75]).
74

Untersuchungen über den kalkgehalt ostpreussischer bodenarten und seine beziehungen zu einigen wichtigen kulturpflanzen (unter spezieller berücksichtigung litauischer und einiger masurischen kreise) ...

Kadgien, Julian Richard Arno, January 1904 (has links)
Inaug.-diss.--Königsberg. / Lebenslauf.
75

Génesis de suelos y concreciones en la Guinea continental española

Alías Pérez, Luis Josafat. January 1958 (has links)
Tesis--Universidad de Granada. / At head of title: Instituto de Estudios Africanos. Bibliography: p. [145]-153.
76

Age and origin of iron indurations in Dane County, Wisconsin

Melcon, Paul Zenope. January 1979 (has links)
Thesis--University of Wisconsin--Madison. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 167-177).
77

Nitrogen soil test evaluation

Richard, Thomas Arthur. January 1965 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1965. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 71-76).
78

Determination of trace metal speciation in soils and sludge-amended soils

Fujii, Roger. January 1983 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1983. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
79

Nutrient status of five soils of Venezuela

Sequera Bello, Ronal W. January 1978 (has links)
Thesis (M.S.)--Wisconsin. / Includes bibliographical references (leaves 90-96).
80

Characteristics and genesis of some bisequal soils in eastern Wisconsin

Beaver, Albert John, January 1966 (has links)
Thesis (Ph. D.)--University of Wisconsin, 1966. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.

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