Search Results - "Effland, W.R"

Stable isotope ratios of soil carbonate and soil organic matter as indicators of forest invasion of prairie near Ames, Iowa by Wang, Y. (Utah Univ., Salt Lake City (USA). Dept. of Geology and Geophysics), Cerling, T.E, Effland, W.R

“…Stable isotope ratios of pedogenic carbonate and organic matter were measured in a prairie-transition-forest soil biosequence near Ames, Iowa to determine the…”
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Soil geomorphology studies in the U.S. Soil Survey Program by Effland, A.B.W. (Agricultural and Rural History Section, Economic Research Service, USDA), Effland, W.R

“…The US Soil Survey program has supported research programs to add to the scientific knowledge of soil issues for most of its history. The program's studies on…”
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