@article{santos_mattos_almeida_monteiro_corrêa_gupta_2004,  title={Boron nutrition and yield of alfalfa cultivar crioula in relation to boron supply},  volume={61},  ISSN={0103-9016},  url={https://doi.org/10.1590/S0103-90162004000500006},  DOI={10.1590/S0103-90162004000500006},  number={5},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Santos, Anacleto Ranulfo dos and Mattos, Waldssimiler Teixeira de and Almeida, Ana Aparecida da Silva and Monteiro, Francisco Antonio and Corrêa, Beatriz Dias and Gupta, Umesh C.},  year={2004},  month={Sep},  pages={496–500} }