Arbuscular mycorrhiza (AM) in association with Rhizobium sp. improves nodulation, N2-fixation, and N utilization of pigeon pea (Cajanus cajan), as assessed with a (15)N technique, in pots

analytical methods azote cajanus cajan fixation de l'azote glomus guisante de angola inoculation inoculation methods mycorrhizae nitrogen nitrogen fixation nitrogen metabolism pigeon peas pois pigeon pot experimentation radioisotopes radioisotopos rhizobium root nodulation technique analytique technique des traceurs tracer techniques