TY  - BOOK
AU  - Eck,Harold V.
AU  - Ford,Robert H.
AU  - Fanning,Carl D.
ED  - Texas Agricultural Experiment Station.
TI  - Productivities of horizons of seven benchmark soils of the southern Great Plains
T2  - United States. Dept. of Agriculture. Conservation research report
U1  - 631.4/9/764 
PY  - 1967///]
CY  - Washington]
PB  - Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.
KW  - Soils
KW  - Great Plains
KW  - Analysis
N1  - Prepared in cooperation with Texas Agricultural Experiment Station; Bibliography: p. 35-36
ER  -