o:8891 Effects of a controlled-releas fertiliser on height growth of two-year-old transplanted (1+1) wild cherry (Prunus avium L.) seedlings Uticaj đubriva sa kontrolisanim oslobađanjem na visinski prirast dvogodišnjih školovanih (1+1) sadnica divlje trešnje (Prunus avium L.) en Abstract: Previous research has shown that, besides an appropriate species selection, the characteristics of planting material play a key role in the success of reforestation efforts. The application of fertilisation products in modern nursery production represents an important factor in producing high-quality seedlings. This study aimed to examine the effect of a controlled-release fertiliser, marketed under the commercial name Osmocote® Exact Standard 5–6 M, on the height growth and survival of two-year-old wild cherry (Prunus avium L.) transplants (1+1). Shoot height was measured at the beginning of the growing season, during the season, and at its end. Based on these measurements, the height increment and the survival rate of two-year-old transplanted seedlings were calculated. The results indicate a positive influence of the fertiliser on all examined parameters. The mean height at the end of the growing season was 68.8 cm in unfertilised seedlings compared with 80.4 cm in fertilised ones. The relative height increment in the second year amounted to 69.6% in unfertilised seedlings and 101.6% in fertilised seedlings. Thus, the application of controlled-release fertiliser can enhance height growth and improve the survival of wild cherry seedlings. Keywords: transplanted seedlings, seedling growth, reforestation techniques, nursery production, Osmocote. 1552099 10.5937/SustFor2592047C 1552101 1821-1046 2025-12-30T10:31:53.578Z 44 yes 46 Tatjana Ćirković-Mitrović 0000-0003-2620-1751 46 Dragica Vilotić 46 Milan Rebić 46 Ljiljana Brašanac-Bosanac 0000-0002-3324-674X application/pdf 649377 https://unilib.phaidrabg.rs/o:8891 no yes 16 70 92000001 71A07 Sustainable Forestry 92 47 59 Belgrade Institute of forestry 2025