00767nam a2200205 a 450000100080000000500110000800800410001910000150006024501130007526000290018830000100021750000950022752001360032265000160045865000090047465300200048370000180050370000210052170000190054219345802023-07-05       1982    bl uuuu     u0uu1 u    #d1 aRAO, M. R.  aDevelopment and transfer of improved farming systems for vertisols and alfisols in semi arid tropical India.  aHyderabad: ICRISATc1982  a17 p.  aTrabalho apresentado no I Simpósio Brasileiro do Trópico Semi-Árido, Olinda, ago. 1982.  aSoils-their characteristics and traditional systems; Watershed based resource management; Cultural operations-wheeled tool carrier.  aAgricultura  aSolo  aDesenvolvimento1 aWILLEY, R. W.1 aSHETTY, S. V. R.1 aVIRMANI, S. M.