“Characterization of Native Strains of Azotobacter Spp. And Its Effect on Growth of Lycopersicon Esculentum Mill. ‘tomato’ in Lambayeque”. Scientia Agropecuaria 2, no. 1 (February 12, 2011): 39–49. Accessed July 18, 2026. https://revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/37.