Effects of inoculation with Azospirillum brasilense on photosynthetic enzyme activities and grain yield in maize I. Stancheva, I. Dimitrov, N. Kaloyanova, A. Dimitrova and M. AngelovAgronomie, 12 4 (1992) 319-324DOI: https://doi.org/10.1051/agro:19920405
