RANA, M C; ANGIRAS, N N. Influence of phosphorus level and weed-control method on phosphorus uptake by gobhi sarson (Brassica napus subsp oleifera var annua) and associated weeds. The Indian Journal of Agricultural Sciences, Delhi, India, v. 65, n. 4, 2012. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/18219.. Acesso em: 19 sep. 2024.