Crop production with conservation in the 80's : proceedings of the American Society of Agricultural Engineers Conference on Crop Production with Conservation in the 80's, December 1-2, 1980, Palmer House, Chicago, Illinois.

অনুরূপ উপাদানগুলি

• A Systems approach to conservation tillage /
  প্রকাশিত: (1985)
• Tillage systems for soil and water conservation /
  অনুযায়ী: Unger, Paul W.
  প্রকাশিত: (1984)
• No-tillage and surface-tillage agriculture : the tillage revolution /
  প্রকাশিত: (1986)
• Conservation for productive agriculture : commemorative volume released on the eightieth birthday of Dr. B.P. Pal /
  প্রকাশিত: (1986)
• Soil cutting and tillage /
  অনুযায়ী: McKyes, Edward
  প্রকাশিত: (1985)