Readers should cite both the Bio-protocol preprint and the original research article where this protocol was used:

Carrión, V(2021). Soil collection, plant bioassays and endosphere sampling. Bio-protocol Preprint. bio-protocol.org/prep747.
Carrión, V. J., Perez-Jaramillo, J., Cordovez, V., Tracanna, V., Hollander, M. D., Ruiz-Buck, D., Mendes, L. W., Ijcken, W. F. V., Gomez-Exposito, R., Elsayed, S. S., Mohanraju, P., Arifah, A., Oost, J. V. D., Paulson, J. N., Mendes, R., Wezel, G. P. V., Medema, M. H. and Raaijmakers, J. M.(2019). Pathogen-induced activation of disease-suppressive functions in the endophytic root microbiome. Science 366(6465). DOI: 10.1126/science.aaw9285