Danner, M. A.; Scariotto, S.; Citadin, I.; Penso, G. A.; Cassol, L. C. Calcium Sources Applied to Soil Can Replace Leaf Application in ‘Fuji’ Apple Tree. Pesq. Agropec. Trop. 2015, 45 (3), 266-273. https://doi.org/10.5216/pat.v45i3.34457.