TY - BK AU - Lopez Bellido,L. TI - Agriculture and environment SN - 84-7114-718-1 U1 - 1998-044057 PY - 1998/// KW - Cropping patterns and systems KW - Nature conservation and land resources KW - Resource management KW - Farming systems KW - AGROVOC N1 - 3 tablas, 4 graf.; 15 ref T2 - Jimenez Diaz, R.M.; Lamo-de-Espinosa,-J. (Comps.). [Sustainable agriculture]. Agricultura sostenible. Madrid (Espana). Mundi-Prensa. 1998. xxii, 616 p ER -