Permanent pasture compared with a 5-year crop-and-pasture rotation for dairy cattle feed.

出版社:Wash. : U.S. Department of Agriculture, 1956.
出版年:1956
作者:United States.
资源类型:图书
细分类型:西文文献
相关推荐

The 5-year outlook on science and technology

  • 作者:National Science Foundation (U.S.)
  • ISBN:07362242
  • 出版社:Washington, D.C. : National Science Foundation : For sale by the Supt. of Docs., U.S. G.P.O., 1982
  • 出版年:1982

The 5-Year outlook on science and technology, 1981

  • 出版社:Wash. : National Science Foundation, 1982
  • 出版年:1982

Tropical Pasture Science

  • 作者:P.C.Whiteman
  • ISBN:0198594704
  • 出版社:OXFORD UNIVERSITY RESS : Oxford, 1980.
  • 出版年:1980

Tropical pasture science

  • 作者:Whiteman,P.C.
  • 出版社:Oxford: The Univ. Pr., c1980.
  • 出版年:1980