 @article{elsayed_elhoweity_el-hendawy_schmidhalter_2017,  title={Non-invasive spectral detection of the beneficial effects of <i>Bradyrhizobium</i> spp. and plant growth-promoting rhizobacteria under different levels of nitrogen application on the biomass, nitrogen status, and yield of peanut cultivars},  volume={76},  ISSN={0006-8705},  url={https://doi.org/10.1590/1678-4499.076},  DOI={10.1590/1678-4499.076},  number={2},  journal={Bragantia},  publisher={Instituto Agronômico de Campinas},  author={Elsayed, Salah and Elhoweity, Mohamed and El-Hendawy, Salah and Schmidhalter, Urs},  year={2017},  month={Apr},  pages={189–202} }