SINGH, Baljit; SHARMA, K.N.; KUMAR, Dinesh. Influence of tree species on improvement of soil fertility status in central zone of Punjab. Indian Journal of Agroforestry, India, v. 13, n. 1, 2020. Disponível em: https://epubs.icar.org.in/index.php/IJA/article/view/103495. Acesso em: 27 jun. 2026.