00656naa a2200217 a 450000100080000000500110000800800410001910000190006024500600007926000090013930000160014852000640016465000110022865000220023965300100026165300160027165300160028765300120030370000170031577301060033212095932005-04-08       1988    bl uuuu     u00u1 u    #d1 aBARRETO, P. D.  aMonocropping systems in the Brazilian Semiarid tropics.  c1988  ap. 153-170.  aSowing; Fertilization; Weed control; Harvest and thrashing.  aBrazil  aVigna Unguiculata  aCaupi  aMonocultivo  aSemi-árido  aSistema1 aDYNIA, J. F.  tIn: WATT, E. E.; ARAÚJO, J. P. P. de. Cowpea research in Brazil. Brasília, DF: IITA: EMBRAPA, 1988.