ULLAH, Ghazanfar et al. Wheat Response to Fertilizer Application Techniques and Nitrogen Levels: II. Crop Growth and Yield Attributes. Pakistan Journal of Nutrition, Pakistan, v. 12, n. 7, p. 636–641, 2013. DOI: 10.3923/pjn.2013.636.641. Disponível em: https://pjnonline.org/pjn/article/view/1872. Acesso em: 19 aug. 2025.