1.
Siqueira JO, Guedes GA, Ribeiro MA. Availability of the potassium of nephéline sienite from Poços de Caldas, evaluated through successive croppings with corn. PAB [Internet]. 2014 Apr. 17 [cited 2026 Oct. 16];20(3):299-307. Available from: https://apct.sede.embrapa.br/pab/article/view/15124