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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.

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Showing 571 to 580 of 4507 (0.022 seconds)
571

Gypsum and Sulfur-Bearing Amendments for Arizona Soils

Fuller, Wallace H., Ray, Howard E. 03 1900 (has links)
This item was digitized as part of the Million Books Project led by Carnegie Mellon University and supported by grants from the National Science Foundation (NSF). Cornell University coordinated the participation of land-grant and agricultural libraries in providing historical agricultural information for the digitization project; the University of Arizona Libraries, the College of Agriculture and Life Sciences, and the Office of Arid Lands Studies collaborated in the selection and provision of material for the digitization project.
Gypsum -- Arizona.
Soils -- Gypsum content.
Soils -- Sulfur content.
Gypsum.
Soils -- Gypsum content.
Soils -- Sulfur content.
572

An evaluation of some quantitative factors affecting phosphate solubility in calcareous soils

Balbaʻ, ʻAbd al-Munʻim January 1954 (has links)
No description available.
Phosphates -- Solubility.
Calcareous soils.
573

Cyanide mobility in soils

Alesii, Bruno Alfred, 1952- January 1976 (has links)
No description available.
Cyanides.
Soils -- Testing.
574

Reducing Cdp+sp+s concentrations in soil solutions by Hb2sS and sulfur

Greenwald, Norman Lee, 1950- January 1977 (has links)
No description available.
Soils -- Cadmium content.
575

Edaphic factors affecting the distribution of Creosotebush, Larrea tridentata (DC.) Cov. in desert grassland sites of southeastern arizona

Johnson, Donald Edward, 1932- January 1961 (has links)
No description available.
Creosote bush.
Soils -- Arizona.
576

Oxidation-reduction potentials of alkaline calcareous soils

Parks, Robert Quinn, 1915- January 1939 (has links)
No description available.
Calcareous soils.
Soil oxidation.
577

The relation of mineral composition of the clay fraction to the structural characteristics of some desert soils

Deming, John Miley, 1925- January 1949 (has links)
No description available.
Desert soils -- Analysis -- Arizona.
578

Effect of Flotal and charcoal on the physical and chemical properties of some Arizona soils

Kareem, Hasan Abdul, 1924- January 1954 (has links)
No description available.
Soils -- Arizona.
Charcoal.
579

The potassium status of some representative Arizona soils

Baldar, Nouri Amin, 1929- January 1958 (has links)
No description available.
Soils -- Potassium content -- Arizona.
580

Statistical models for soil sampling studies

Hsiao, Yueh Lin, 1938- January 1972 (has links)
No description available.

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