1.
Navarro AA, Padda DS. Effects of Sulfur, Phosphorus, and Nitrogen Application on the Growth and Yield of Sweet Potatoes Grown on Fredensborg Clay Loam. JAUPR [Internet]. 1983 Apr. 1 [cited 2023 Feb. 8];67(2):108-11. Available from: https://revistas.upr.edu/index.php/jaupr/article/view/7699