00389naa a2200133 a 450000100080000000500110000800800410001910000130006024500900007326000090016365000250017270000180019777300400021516024141995-06-27 1980 bl --- 0-- u #d1 aMEAD, R. aThe concept of a `land equivalent ratio' and advantages in yields from intercropping. c1980 aRotação de Cultura1 aWILLEY, R. W. tExp. Agric.gv.16, p.217-228, 1980.