The legume-rhizobium symbiosis: evaluation, selection and agronomic management [tutorial unit]

Sylvester-Bradley, Rosemary; Kipe-Nolt, Judith A.; Valencia G., Carlos A.; Medina, Luz María. 1988. The legume-rhizobium symbiosis : Evaluation, selection and agronomic management [tutorial unit]. Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. 1 carrusel, 107 diapositivas : col.; 1 casete (28 min.) + 2 guías de estudio (77 p. c/u.) + guión (17 p.). (Series 04EL-01.03)