000 01001nab a22003497a 4500
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040 _aMX-TxCIM
082 0 4 _a94-062286
100 1 _aMcCown, R.L.
245 0 0 _aStrategies for sustainable crop production in semi-arid Africa
260 _c1992
340 _aPrinted
500 _a32 ref., 6 fig
546 _aEnglish
595 _aAC
650 1 0 _aAfrica
650 1 0 _aAfrica south of Sahara
650 1 0 _aAnglophone africa
650 1 0 _aClimatic zones
650 1 0 _aEast Africa
650 1 0 _aOrganization, administration and management of agricultural enterprises or farms
650 1 0 _aProduction economics
650 1 0 _91109
_aFarming systems
_gAGROVOC
700 1 _aJones, R.K.,
_ecoaut.
700 1 _aKeating, B.A.,
_ecoaut.
700 1 _aProbert, M.E.,
_ecoaut.
773 0 _tOutlook on Agriculture (United Kingdom). (1992). v. 21(1) p. 21-31
942 _cJA
999 _c18987
_d18987