Maia, S. C. M., Soratto, R. P., Liebe, S. M., & Almeida, A. Q. de. (2017). Criteria for topdressing nitrogen application to common bean using chlorophyll meter. Pesquisa Agropecuaria Brasileira, 52(7), 512–520. https://doi.org/10.1590/S1678-3921.pab2017.v52.22334