000			00844nam a22001937a 4500
999			_c10090 _d10090
003			UDS
005			20220810045818.0
008			170227b xxu||||| |||| 00| 0 eng d
020			_a9781310642
040			_aLC _bEng. _cLC _dLC
100			_q Mutsaers, H. J. W. ; Walker, P.
110			_borganized by International Institute of Tropical Agriculture
245			_aOn-farm research in theory and practice : _bproceedings of a workshop on design and analysis of on-farm trials, 1989 _c / edited by H.J.W. Mutsaers ; P. Walker ; [organized by International Institute of Tropical Agriculture]
260			_aIbadan: _bInternational Institute of Tropical Agriculture, _c1991.
300			_avi, 204p. : _bill. ; _c24cm
600			_xAgriculture -- Research -- On-farm.
610			_x Agriculture -- Research -- Africa -- On-farm
942			_2lcc _cBK