• Efecto de la inoculación de frijol en zonas de temporal en Durango [México]. 

      Quintero, M.J; Gonzalez, S.M; Calzada, C; Castillo, M.A; Peña, M. (Instituto Interamericano de Cooperación para la Agricultura (IICA), 1983-07)
      Since 1978, bean inoculation in areas under water stress in the State of Durango have been observed. The project started with the isolation and selection of Rhizobiurn phaseoli strains from uninoculated bean plant nodules. ...
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