000			01134 a2200337 4500
502			_aThèse de Doctorat
260			_aWageningen
653	1		_aAgronomie
100			_aKOEIJER, Tanja J. de
041			_bEn
260			_bUniversité de Wageningen
300			_a143 p.
245			_aEfficiency improvement for a sustainable agriculture : the integration of agronomic and farm economics approaches
650			_aSYSTEME D'EXPLOITATION AGRICOLE
650			_aAGRONOMIE
650			_aEFFICACITE
650			_aAGRICULTEUR
260			_c16 JANUARY 2002
300			_bIll., Couv. ill. ; 24 cm
130			_lEn
710			_aWageningen University
040			_aSupport
041			_bEn
041			_bND
100			_uAbomey-Calavi, Université d'Abomey-Calavi, Faculté des Sciences Agronomiques, Bj
520			_aAgriculture is increasingly being confronted with public pressure to produce in a more sustainable way in order to decrease negative environmental effects as much as possible...
690			_aAGRICULTURE DURABLE
690			_aSUSTAINABLE AGRICULTURE
020			_a90-5808-554-6
999			_c31765 _d31765