TY  - BOOK
AU  - Anderson,M.S.
TI  - Selenium in agriculture
T2  - Agriculture handbook / United States Department of Agriculture
AV  - S587.5.S4 A5
U1  - 631.411 
PY  - 1961///
CY  - Washington, D.C.
PB  - Agricultural Research Service, U.S. Dept. of Agriculture in cooperation with the Geological Survey, U.S. Dept. of the Interior
KW  - Selenium
KW  - Soils
KW  - Selenium content
N1  - Bibliography: p.56-62
ER  -