Competitiveness of introduced and indigenous cowpea Bradyrhizobium strains for nodule formation on cowpeas [Vigna unguiculata (L.) walp.] in three soils · Peerford
مقالة · مجلة · 1988
Competitiveness of introduced and indigenous cowpea Bradyrhizobium strains for nodule formation on cowpeas [Vigna unguiculata (L.) walp.] in three soils