The control of soil fertility.

Benzer Materyaller

• Fretilizer technology and usage; prooceedings of ashort course sponsored by the soil science society of America and held at Purdue University Lafayette, Indiana, February 12-13, 1962. Edited by Malcolm H. McVickar, G.L. Bridge and Lewis B. Nelson.
  Yazar:: Mc Vickar, Malcolm H ed
  Baskı/Yayın Bilgisi: (1963)
• Commercial fertilizers; their resources and use. 5th. ed.
  Yazar:: Collings, Gilbert H
  Baskı/Yayın Bilgisi: (1955)
• Gübre tüketim istatistikleri kataloğu (1960-1989)- .
• Fertilizer manuel, 1967 - to date.
  Baskı/Yayın Bilgisi: (1967)
• The fertility of American women. By Wilson H. Grabill, Clyde V. Kiser and Pascal K. Whelpton for the Social Science Research Council in co-operation with the U.S. Department of Commerce. Bureau of the Census.
  Yazar:: Grabill, Wilson H
  Baskı/Yayın Bilgisi: (1958)