01132nam a2200289 a 450000100080000000500110000800800410001910000190006024500990007926001280017830000100030652002740031665000170059065000220060765000260062965000150065565000210067065000290069165000160072065300170073665300130075365300110076665300110077770000180078870000190080670000170082516700122022-04-05 2000 bl uuuu u00u1 u #d1 aPREISINGER, H. aSpatial and temporal change of the spontaneous vegetation in an agricultural field experiment. aIn: GERMAN-BRAZILIAN WORKSHOP ON NEOTROPICAL ECOSYSTEMS, 2000, Hamburg. Programa and abstracts... Hamburg: Universityc2000 ap. 94 aStudy carried out to endeavor to re-use an abandoned agricultural site using mixed cropping systems and to survey some of the main ecological interactions between the frowth of the useful plants, the spontaneous vegetation in the field, and management and site factors. aagroforestry amultiple cropping atropical rain forests avegetation aCultivo Multiplo aFloresta Tropical Úmida aVegetação aAgrofloresta aAmazonas aBrasil aManaus1 aCOELHO, L. F.1 aGASPAROTTO, L.1 aLIEBEREI, R.