KUMAR, Sudhir; KUMAR, Subodh; SINGH, Omkar; SINGH, B.P. Effect of phosphorus and sulphur fertilization on productivity and nutrient uptake of pigeonpea (Cajanus cajan). Annals of Agricultural Research, India, v. 35, n. 1, 2014. Disponível em: https://epubs.icar.org.in/index.php/AAR/article/view/39233. Acesso em: 23 oct. 2025.