skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Use of NH/sub 4/HCO/sub 3/-DTPA soil test to assess availability and toxicity of selenium to alfalfa plants

Journal Article · · Commun. Soil Sci. Plant Anal.; (United States)

This study was carried out to determine if ammonium bicarbonate-DTPA soil test (AB-DTPA) of Soltanpour and Schwab for simultaneous extraction of P, K, Zn, Fe, Cu and Mn can be used to determine the availability index for Se. Five Mollisols from North Dakota were treated with sodium selenate and were subjected to several wetting and drying cycles. These soils were extracted with hot water and with ammonium bicarbonate-DTPA (AB-DTPA) solution for Se analysis. Alfalfa plants were grown in these soils in a growth chamber to determine plant uptake of Se. In addition to the above experiment, coal mine soil and overburden materials from Western Colorado were extracted and analyzed as mentioned above.

Research Organization:
Colorado State Univ., Ft. Collins
OSTI ID:
6719387
Journal Information:
Commun. Soil Sci. Plant Anal.; (United States), Vol. 11:12
Country of Publication:
United States
Language:
English