Effect of rootstock, cultivar and potassium fertilization upon nutritional status, growth and yield of sour cherry trees

abonado fraccionado abonos potasicos analyse de tissus application rates cereza cerise cherries chlorure de potassium cloruro potasico crecimiento croissance crop yield deficiencia de minerales dimension dimensions dose d'application engrais potassique fertilidad del suelo fertilisation fertilizer application feuille growth hojas leaves manejo del suelo mineral deficiencies mise en valeur du sol nutrition des plantes plant nutrition portainjertos porte greffe potash fertilizers potassium chloride prunus cerasus rendement des cultures rendimiento de cultivos root systems rootstocks sistema radicular soil fertility soil management split dressings tissue analysis variedades varieties