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\bibitem{Sakarika_etal2020} {\textquotedblleft}\textit{Purple non-sulphur bacteria and plant production: benefits for fertilization, stress resistance and the environment}{\textquotedblright}. Sakarika M, Spanoghe J, Sui Y, Wambacq E, Grunert O, Haesaert G, Spiller M, Vlaeminck SE, Microbial biotechnology \textbf{13}, 1336 (2020).   http://doi.org/10.1111/1751-7915.13474

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