00622naa a2200205 a 450000100080000000500110000800800410001910000170006024501260007726000090020365000140021265000240022665000130025065000100026365000160027365000250028965300380031470000190035277300450037116061881995-06-27       1985    bl ---       0--  u    #d1 aCHANG, J. F.  aAn analysis of competition between intercropped cowpea and maize. II. The effect of fertilization and population density.  c1985  aAgronomia  aFertilidade do Solo  aFósforo  aMilho  aNitrogênio  aRotação de Cultura  aSISTEMA AGRICOLA E AGROFLORESTAIS1 aSHIBLES, R. M.  tField Crops Res.gv.12, p.145-152, 1985.