Catarino, A. de M. Pozza, E.A. Pozza, A.A.A. Santos, L.S.D. Vasco, G.B. Souza, P.E. de Calcium and potassium contents in nutrient solution on Phoma leaf spot intensity in coffee seedlings Subjects--Topical Terms: CAFÉDOENÇA FÚNGICADANONUTRIENTE MINERAL