Abstract
This two-year-study was aimed to provide results on the effect of nitrogen, phosphorus, potassium and magnesium fertilizer treatments (control, NP, NPK, NPKMg) on vegetative and generative features of the sweet cherry cultivar ‘Carmen’. Examinations were performed in an orchard planted in 2012 on Prunus mahaleb rootstock with spacing of 5 x 2.5 m. All treatments improved the vegetative features of the sweet cherry trees in both years of 2016 and 2017. Fertilizer treated trees increased trunk cross section area (TCSA) with 51.3-63.1%, while control trees showed 48.3% trunk growth increase. Yields of control trees were lower in both years (5.9-7.2 kg/tree), than that of the fertilized trees (7.8-11.3 kg/tree). Treatments also increased the phosphorus (16-22%), magnesium (12-20%) and potassium content (3.5-18%) of the fruits compared to control treatments.
Highlights
Sweet cherry (Prunus avium L.) is a fruit species with worldwide importance with a continuous production increase
Despite the increasing production tendency, considerably less research studies were conducted for the sweet cherry than for other deciduous fruit crop such as apple and peach (Neilsen et al, 2017)
In Hungary sweet cherry is a cultivated in 2800 hectares, as the annual production is about 15 000-18 000 tons per year (FAO, 2020)
Summary
Sweet cherry (Prunus avium L.) is a fruit species with worldwide importance with a continuous production increase. Based on the last decade sweet cherry belongs to the fruit crops with increased interest, thanks to the high demand of the fruits and favorable marketing trends (Csihon et al, 2017). It is essential to develop nutrient optimum levels for cultivars of each fruit species in order to optimize yields and fruit quality (Nagy, 2009). This two-year-study was aimed to provide results on the effect of nitrogen, phosphorus, potassium and magnesium fertilizer treatments (control, NP, NPK, NPKMg) on vegetative and generative features of the sweet cherry cultivar ‘Carmen’
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