00799nam a2200205 a 450000100080000000500110000800800410001910000200006024501370008026001730021730000160039065000140040665000210042065300290044165300380047070000260050870000230053470000200055770000160057714053572022-12-02       2002    bl uuuu     u00u1 u    #d1 aRISCHKOWSKY, B.  aThe economics of cattle discourages pasture improvement on small-scale farms in the brazilian eastern amazon.h[electronic resource]  aIn: RESPONDING TO THE INCREASING GLOBAL DEMAND FOR ANIMAL PRODUCTS, 2002, Yucatan, México. Programme and Summaries. Yucatan: Mexican Society of Animal Productionc2002  ap. 112-113.  aPecuária  aPequeno Produtor  aMelhoramento de pastagem  aSistema de exploração agrícola1 aSIEGMUND-SCHULTZE, M.1 aSARMENTO, C. M. B.1 aVEIGA, J. B. da1 aKING, J. M.