Title Determination of Nutritional Status of Dwarf Apple Orchards in Çanakkale
Authors Murat ŞEKER, Mustafa SAKALDAŞ, Arda AKÇAL, Mehmet Ali GÜNDOĞDU, Alper DARDENİZ, Hasan ÖZCAN
Abstract Çanakkale is one of the important apple production regions in Turkey. The apples are mainly produced in Merkez, Bayramiç, Lapseki and Biga locations with very high fruit quality characteristics. In recent years there have been significant new dwarf apple plantings in Çanakkale province. Nutritional problems of fruit trees are resulted in poor fruit yield, excessive fruit drop, small fruit formation and decay of tree health. In this study, leaf analysis program and soil tests were performed in order to evaluate mineral composition (N, P, K, Ca, Mg, B, Cu, Fe, Mn, Mo and Zn) of apple orchards grafted on dwarfing rootstock in 2006 and 2007 years. All the trees were productive ages. For this purpose, leaf and soil samples were collected in 17 dwarf apple orchards through the locations. Moreover, a Geographical Information System (Arcview 3.2.v. GIS) was used to identify locations and their attributes, particularly soil characteristics (EC, CaCO3, pH, organic matter and soil type) and referenced as maps. Chemical analyses showed that there were differences in macro and micronutrient concentrations in leaves among the orchards sampled. The highest influence was observed with respect to N, P, K, Ca, Mg, B, Fe and Zn. Considering that fruit growing areas in the region have variations in soils, cultivars and orchard management, further studies are needed in order to find out how fruit growers should manage their orchards to ensure that trees and fruits be nutritionally balanced. Fertilizer use efficiency in Çanakkale orchards can be enhanced by scheduled fertilization program after considering of orchard characteristics.
Keywords Leaf analysis, soil tests, GIS, fertilization program, dwarfing rootstock
Journal TABAD - Research Journal of Agricultural Sciences
Issue Issue 2
Page 031-036
Year 2009
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