000 01073nam a2200181 a 4500
001 39280
003 0000000000
005 20250407093737.0
008 140514n 000 0 eng d
245 0 0 _aA methodology for on- farm cropping systems research
_cH.G. Zandstra...[and others.].
260 _aLos Banos, Laguna
_bInternational Rice Research Institute
_c1981
300 _aviii, 149 pages
_bIllustrations
_c23 cm.
500 _aBibliography: pages. 94-102
650 1 0 _aFarm management
_xResearch
_2sears
852 _924.00PHP
852 _924.00PHP
852 _924.00PHP
999 _c6173
_d6173