43 resultados para Agricultural area expansion
Resumo:
"September 1949"
Resumo:
Issued Aug. 1979.
Resumo:
Includes bibliographical references (p. 38).
Resumo:
Mode of access: Internet.
Resumo:
Prepared in the Developed Countries Area.
Resumo:
Mode of access: Internet.
Resumo:
At head of title: U.S. Department of agriculture. Bureau of soils.
Resumo:
U.S. Department of Agriculture, Bureau of Soils in cooperation with the University of California Agricultural Experiment Station.
Resumo:
At head of title: Department of Agriculture, Bureau of Soils ... in cooperation with the University of California Agricultural Experiment Station.
Resumo:
U.S. Department of Agriculture, Bureau of Soils in cooperation with the University of California Agricultural Experiment Station.
Resumo:
Includes bibliographical references.
Resumo:
United States Department of Agriculture, Bureau of Chemistry and Soils in cooperation with the University of California Agricultural Experiment Station.
Resumo:
"Advance sheets--field operations of the Bureau of Soils, 1914."
Resumo:
United States Department of Agriculture in cooperation with the University of California Agricultural Experiment Station.
Resumo:
Bibliography: p. 90.