Farming systems research : a review /

समान संसाधन

• On-farm agronomic trials in farming systems research and extension
  द्वारा: Hildebrand, Peter E.
  प्रकाशित: (1985)
• Sociology in farming systems research /
  द्वारा: Sutherland, Alistair
  प्रकाशित: (1987)
• Farming systems in the tropics /
  द्वारा: Ruthenberg, Hans
  प्रकाशित: (1971)
• Planning for on-farm research : reports and papers from the first annual meeting of cooperators, Apia, Western Samoa, 4-10 April 1995.
  प्रकाशित: (1995)
• Farming systems research and development guidelines for developing countries
  द्वारा: Shaner, W. W. (Willis W.)
  प्रकाशित: (1982)