01162nam a2200265 a 450000100080000000500110000800800410001910000150006024501650007526003490024030000180058950000650060765000130067265000240068565000240070965000170073365000110075065000230076165300110078465300260079570000210082170000180084270000190086070000170087914054502022-12-02 2001 bl uuuu u00u1 u #d1 aSOMMER, R. aWater and nutrient balance under slash-and-burn agriculture in the eastern Amazon, Brasil - the role of a deep rooting fallow vegetation.h[electronic resource] aIn: HORST, W. J.; SCHENK, M. K.; BURKERT, A.; CLAASSEN, N.; FLESSA, H.; FROMMER, W. B.; GOLDBACH, H.; OLFS, H.-W.; ROMHELD, V.; SATTELMACHER, B.; SCHMIDHALTER, U.; SCHUBERT, S.; WIRÉN, N. v.; WITTENMAYER, L. (Ed.). Plant nutrition: food security and sustainability of agro-ecosystems through basic and applied research. Dordrecht: Kluwerc2001 ap. 1014-1015. aProceedings of 14º International Plant Nutrition Colloquium aAmazonia aCultivo Migratório aFloresta Secundaria aLixiviação aPousio aSistema de Cultivo aBrasil aCiclagem de nutriente1 aSÁ, T. D. A. de1 aVIELHAUER, K.1 aVLEK, P. L. G.1 aFÖLSTER, H.