00415nam a2200121 a 450000100080000000500110000800800410001910000170006024501390007726000340021665300250025065300180027518799192011-03-03       2011    bl uuuu  t   00u1 u    #d1 aPRADO, R. B.  aFertilizing Brazil projectbbalanced potassium and other plant nutrient fertilization in brazilian agriculture.h[electronic resource]  aRio de Janeiro: Embrapac2011  aCobertura das terras  aMapa de solos