MANKOTIA, B S; SHARMA, H L. Yield attributes and yield of gobhi sarson (Brassica napus ssp oleifera) and toria (B. rapa) under different levels of nitrogen, phosphorus and farmyard manure in mid-hills of north-western Himalayas. The Indian Journal of Agricultural Sciences, Delhi, India, v. 67, n. 3, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/29855. Acesso em: 20 oct. 2025.