SINGH, RAMAN JEET; AHLAWAT, I P S. Productivity, competition indices and soil fertility changes of Bt cotton (Gossypium hirsutum) – groundnut (Arachis hypogaea) (Gossypium hirsutum) – groundnut (Arachis hypogaea). The Indian Journal of Agricultural Sciences, Delhi, India, v. 81, n. 7, 2011. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/7376. Acesso em: 23 oct. 2025.