Estimation of agronomic traits of Burley tobacco with nitrogen microcapsules top-dressing

From 2018 to 2020, an experiment on effects of nitrogen top-dressing was conducted with Burley tobacco the Zagreb experimental field at Faculty Agriculture. The set up according RCBD in four replications. Nitrogen added five different variants: 1) control 100% from CAN; 2) 90% CAN + 10% microcapsules; 3) 80% 20% 4) microcapsules chitosan; and 5) chitosan. During vegetation, number leaves, length width 9th leaf, topping height, days flowering were determined. After drying, yield determined, classified into six classes. According analysis variance, significant differences established for share I class, od height 2018, yield, VI class 2019, V leaf 2020. Significantly, highest had compared variants chitosan 2019 significantly 2018. 2020 variant effect microencapsulation has not given expected results.