P.S. RAO, K. PARIMALA, M. RAJASRI AND M. SUDHA RANI. Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore - 641 003. The Journal of Research ANGRAU, India, v. 43, n. 1 & 2, p. 44–48, 2015. Disponível em: https://epubs.icar.org.in/index.php/TJRA/article/view/133278. Acesso em: 1 jun. 2026.