RAM, Chatra; SINGH, H.B.; PATEL, R.B.; SINGH, Hanuman; KUMAR, Gopal. Effect of various nutrient sources on productivity and economics of groundnut (Arachis hypogaea L.). Annals of Agricultural Research, India, v. 34, n. 2, 2014. Disponível em: https://epubs.icar.org.in/index.php/AAR/article/view/38505. Acesso em: 7 jun. 2026.