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Filtering by: Committee Member Youngberg, C. T. Academic Affiliation Soil Science

Ozone inhibition of transpiration and photosynthesis of two soybean (Glycine max. [L.] Merr.) cultivars

Creator:

Yingjajaval, Suntaree

Resource Type:

Masters Thesis

Full Text:

wish to thank Dr. C. T. Youngberg, and Dr. H. H. Wickman for their willingness to serve on my
The nature and properties of amorphous colloids formed from Mazama tephra

Creator:

Dingus, Delmar DeLee

Abstract:

Soil samples from the Mazama tephra deposit were collected from the AC and C2 horizons at five different locations along the axis of the main depositional lobe. The clay fraction from the samples was recovered and studied by means of chemical, x-ray, DTA and electron microscopy methods in order to...

Resource Type:

Dissertation

Full Text:

are expressed to Drs. F. T. Lindstrom, R. A. Schmitt, E. J. Dasch, and C. T. Youngberg for serving
Soil surface application of asphalt in afforestation in semi-arid zones of Iran

Creator:

Kowsar, Ahang

Resource Type:

Dissertation

Full Text:

advisors Dr. C. T. Youngberg, Dr. H. A. Froehlich, and Dr. J. W. Wolfe, and their willingness to serve as
Comparative study of some soil characteristics of grassland and forest/grassland transition in western Oregon

Creator:

Ezenwa, Matthew Ikechuku Sunday

Abstract:

Vegetation as a soil-forming factor was studied under forest transition and grass while attempting to keep other soil forming factors constant in the western part of the Willamette Valley, Oregon. The physiographic units consist chiefly of the interior foothills and slopes formed from an old basaltic flow with some interspersed...

Resource Type:

Masters Thesis

Full Text:

. Chester T. Youngberg for their suggestions and for serving on my committee. Thanks are also extended to
The dispersion of some amorphous and crystalline clays

Creator:

Hickman, John S.

Resource Type:

Masters Thesis

Full Text:

Lane County, Oregon (NW1/4, NW1/4, Sec 31, T.24S., R.4E.). Youngberg et al. (1971) and Taskey (1977