S.S. DHALIWAL, M.K. Dhaliwal. Impact of Manure and Fertilizers on Chemical Fractions of Zn and Cu in Soil under Rice-Wheat Cropping System. Journal of the Indian Society of Soil Science, India, v. 67, n. 1, 2019. Disponível em: https://epubs.icar.org.in/index.php/JISSS/article/view/90485. Acesso em: 6 jun. 2026.