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LEAF NUTRITIONAL STATUS AND MACRONUTRIENT DYNAMICS IN EUROPEAN HAZELNUT (CORYLUS AVELLANA L.) UNDER WESTERN SERBIAN CONDITIONS

TOMO MILOSEVIC^1*, NEBOJSA MILOSEVIC², IVAN GLISIC¹ AND GORICA PAUNOVIC¹

Abstract: Research was conducted on the leaf content of N, P, K, Ca and Mg in the cvs. Tonda Gentile Romana, Nochione and Istarski Duguljasti during the growing season in 2005-2007 under the environmental conditions of Gornji Milanovac (Western Serbia). Highest seasonal changes were observed in the contents of Mg (CV=18.19%) and N (CV=12.95%) and the lowest ones in P content (CV=4.00%). Highest leaf contents of N (1.83±0.07%), P (0.43±0.09%) and K (1.77±0.04%) during the season were produced by cv. Nochione and those of Ca (1.27±0.07%) and Mg (0.44±0.42%) by cvs. Tonda Gentile Romana and Istarski Duguljasti, respectively. The study showed highest effect on the hazelnut leaf content of the above nutrients with the exception of Ca. The effects of the year and the cultivar ´ year interactions being less pronounced.

¹Faculty of Agronomy, Department of Fruit Growing & Viticulture, Cacak, Serbia

²Fruit Research Institute, Department of Fruit Growing Technology, Cacak, Serbia