Putting farming systems research data collection in perspective: practicalities and realities

by 52270 Butler, L.M., 13245 Kansas State Univ., Manhattan, Kansas (EUA). Office of International Agriculture Programs, 2532 AID, Washington, D.C. (EUA). Bureau for Science and Technology, 35450 Farming Systems Research Symposium: Animals in the Farming System Manhattan, Kansas (EUA) 31 Oct - 2 Nov 1983
Published 1984