01193naa a2200217 a 450000100080000000500110000800800410001902400360006010000200009624501290011626000090024552004630025465000310071765000280074865000290077665300440080565300280084970000180087770000180089577300620091320703322017-12-04       2017    bl uuuu     u00u1 u    #d7 a10.1007/s10705-017-09851-02DOI1 aALVES, B. J. R.  aIntegrated crop-livestock-forestry systemsbprospects for a sustainable agricultural intensification.h[electronic resource]  c2017  aFrom the mid twentieth century onwards, the developed and many developing countries experienced rapid changes in their agricultural activity. This was characterized by intensification, supported by mechanization and the use of synthetic fertilizers, chemicals for pest control, together with concentration and specialization, which resulted in enterprises of larger scale focusing on specific products motivated principally by a global market of commodities.  aIntegrated crop management  aSustainable agriculture  aAgricultura sustentável  aIntegração lavoura-pecuária-floresta  aSustenaible agriculture1 aMADARI, B. E.1 aBODDEY, R. M.  tNutrient Cycling in Agroecosystemsgv. 108, p. 1-4, 2017.