TY - JOUR T1 - Developing sustainable agroecosystems JF - BioScience Y1 - 1983 A1 - Miguel A. Altieri A1 - Deborah K. Letourneau A1 - James R. Davis KW - agronomy KW - biodiversity KW - ecosystem KW - energy use KW - food production KW - insects KW - land use KW - local knowledge KW - pest management KW - plant diseases KW - soils KW - sustainable agriculture KW - weeds AB - Yields in modern agricultural systems are sustained by investing costly external resources of uncertain future availability and with technologies that have prompted ecosystemic degradation. The ecological and socioeconomic aspects of developing alternative, self-sustained, energy efficient, less resource-intensive agroecosystems are analyzed. (author) VL - 33 UR - http://bioscience.oxfordjournals.org/content/33/1/45 IS - 1 U1 - BioScience ER -