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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.
11

Diagnosis of deficiencies of available potassium, calcium, and magnesium in forested soils

Leaf, Albert L. January 1957 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1957. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 95-114).
12

The influence of nitrogenous fertilizers upon the availability of the phosphorus, potassium, and calcium in the soil

Fudge, J. F. January 1928 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1928. / Typescript. Includes bibliographical references (leaves 78-83).
13

Non-linear nitrogen dynamics and calcium depletion along a temperate forest soil nitrogen gradient /

Sinkhorn, Emily R. January 1900 (has links)
Thesis (M.S.)--Oregon State University, 2008. / Printout. Includes bibliographical references. Also available on the World Wide Web.
14

Kinetics of trace metals sorption on and desorption from soils developing predictive models /

Shi, Zhenqing. January 2006 (has links)
Thesis (Ph. D.)--University of Delaware, 2006. / Principal faculty advisor: Herbert E. Allen, Dept. of Civil & Environmental Engineering. Includes bibliographical references.
15

The characteristics of Hong Kong soils in relation to power supply problems.

Halfter, N. A., January 1969 (has links)
Thesis (M. Sc.(Eng.))--University of Hong Kong, 1969. / Mimeographed.
16

Assessment of nitrogen efficiency in maize due to soil compaction and changes in soil physical properties /

Stinghen, Geovanne Silva. January 2004 (has links)
Thesis (M.S.)--University of Missouri-Columbia, 2004. / Typescript. Includes bibliographical references. Also available on the Internet.
17

Assessment of nitrogen efficiency in maize due to soil compaction and changes in soil physical properties

Stinghen, Geovanne Silva. January 2004 (has links)
Thesis (M.S.)--University of Missouri-Columbia, 2004. / Typescript. Includes bibliographical references. Also available on the Internet.
18

Yield responses of invasive grasses to carbon doses /

Brunson, Jessi L. January 1900 (has links)
Thesis (M.S.)--Oregon State University, 2008-01-15. / Printout. Includes bibliographical references (leaves 31-36). Also available on the World Wide Web.
19

Understory vegetation effects on soil nitrogen and soil carbon in thinned and unthinned Douglas-fir forests /

Geyer, Eric A. January 1998 (has links)
Thesis (M.S.)--Oregon State University, 1999. / Typescript (photocopy). Includes bibliographical references (leaves 67-74). Also available on the World Wide Web.
20

Distribution of soil organic carbon and nitrogen fractions, enzyme activities and microbial diversity in temperate alley cropping systems

Mungai, Nancy Wangari. January 2004 (has links)
Thesis (Ph. D.)--University of Missouri-Columbia, 2004. / Typescript. Vita. Includes bibliographical references (leaves 75-81). Also available on the Internet.

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