Uticaj različite doze i načina primene mineralnih đubriva na prinos krompira

Abstract

This study involved use of six application rates and different methods of NPK fertilization in potato cultivar ’Carrera’ on a leached soil. The highest total yield of potato was obtained under treatment with 1,200 kg/ha NPK 16:16:16 combined with 200 kg/ha CAN. Different methods of NPK treatment gave no significant difference in potato yield at the same fertilizer rate, but the yield was somewhat increased by applying part of the fertilizer pre-plant and part of it in-furrow, compared to the in-furrow treatment with the full application rate at planting.Ispitivanja su izvedena primenom šest različitih doza i načina primene NPK-đubriva kod sorte krompira Karera na lesiviranom zemljištu. Najveći ukupni prinos krompira ostvaren je na varijanti gde je izvršena kombinovana primena 1200 kg/ha NPK đubriva 16:16:16 i 200 kg/ha KAN-a. Primenom različitih načina unošenja NPK đubriva nisu utvrđene značajne razlike u prinosu krompira kod iste doze, ali je nešto veći prinos postignut na varijantama gde je deo đubriva primenjen predsetveno a deo u brazde, u odnosu na primenu celokupne količine u brazde za vreme sadnje

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