SINGH, R D; SIKKA, A K; SHIVANI, Shivani; RAJAN, K. Effect of irrigation and nitrogen on yield, water use eficiency and nutrient balance in rice (Oryza sativa)- based cropping system. The Indian Journal of Agricultural Sciences, Delhi, India, v. 78, n. 1, 2008. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/9760. Acesso em: 27 oct. 2025.