Silva, Adriano Alves da, and Carla Andréa Delatorre. “Root Architecture Modification in Response to Phosphorus and Nitrogen Availability”. Revista De Ciências Agroveterinárias, vol. 8, no. 2, Oct. 2009, pp. 152-63, https://www.periodicos.udesc.br/index.php/agroveterinaria/article/view/5324.