The aim of this study was to determined effect of different doses of N: P: K applications on fruit yield and some quality traits in Anatolian chestnut in Bursa (Turkey) ecological condition during 2013 and 2014. In the research. triple experimental zones were determined in a 20-year-old chestnut orchard. Each of these experimental zones consisted of 30 trees. https://www.duospiritalis.com/