“Determination of Plant Growth Promoting Potential of Azotobacter Spp. Isolated from the Rhizosphere of Weeds in Maize Crop (Zea Mays L.)”. Scientia Agropecuaria 6, no. 4 (December 5, 2015): 247–257. Accessed July 18, 2026. https://revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/1034.