00667nam a2200205 a 450000100080000000500110000800800410001910000190006024500940007926001360017330000130030949000360032265000160035865000120037465000170038665000090040365000110041265300200042370000180044312379961995-01-27       1993    bl uuuu      00u1 u    #d1 aSANDERS, J. H.  aThe economics of sterss and technology development in th Sahrl and thecerrados of Brazil.  aIn:WORKSHOP ON ADAPTION OF PLANTS TO SOIL STRESSES, 1993, Lincoln. proceedings... . Lincoln: University of Nebrasca, [1993?].c1993  ap.28-50.  a(INTSORMIL. Publication, 94-2).  aAgricultura  aCerrado  aDeficiência  aSolo  aStress  aDesenvolvimento1 aGARCIA, J. C.