01246naa a2200313 a 450000100080000000500110000800800410001902000220006010000190008224501080010126000090020930000160021850000570023452002080029165000100049965000120050965000100052165000120053165000140054365000100055765000170056765000230058465000100060765000220061765000130063965000100065265300110066277302590067312089162020-07-06       2007    bl uuuu     u00u1 u    #d  a978-7-302-15627-71 aFAGERIA, N. K.  aOptimal and toxic levels of heavy metals in soil and plants of food crops produced on Brazilian Oxisol.  c2007  ap. 696-697.  aEditors: Yongguan Zhu, Nicholas Lepp and Ravi Naidu.  aThree greenhouse experiments were conducted to determine optimal and toxic levels of Zn, Cu and Mn in soil and plant tissue of upland rice, dry bean, wheat, corn, and soybean grown on a Brazilian Oxisol.  aArroz  aCerrado  aCobre  aFeijão  aManganês  aMilho  aOryza Sativa  aPhaseolus Vulgaris  aTrigo  aTriticum Aestivum  aZea Mays  aZinco  aICOBTE  tIn: INTERNATIONAL CONFERENCE ON THE BIOGEOCHEMISTRY OF TRACE ELEMENTS IN THE ENVIRONMENT, 9., 2007, Beijing. Biogeochemistry of trace elements: environmental protection, remediation and human health: proceedings. Beijing: Tsinghua University Press, 2007.