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2010, vol. 47, br. 1, str. 251-256
Uticaj đubrenja na prinos i sadržaj nitrata u salati u organskoj proizvodnji
Univerzitet u Novom Sadu, Poljoprivredni fakultet

e-adresaranko@polj.uns.ac.rs
Projekat:
Projekat Ministarstva nauke Republike Srbije, br. TR20088: Razvoj novih tehnologija u proizvodnji povrća u uslovima održive poljoprivrede uz očuvanje energije i zaštite životne sredine

Ključne reči: guano; nitrati; prinos; salata; seme soje; seme stočnog graška; stajnjak
Sažetak
U poljskom ogledu postavljenom na poljoprivrednom gazdinstvu u Kisaču, registrovanom za organsku proizvodnju, tokom 2007. i 2008. godine ispitivan je uticaj primene različitih organskih materijala na prinos i sadržaj nitrata u nadzemnoj masi salate. Tretmani ogleda bili su: zgoreo goveđi stajnjak (ST); guano (G); samleveno seme soje (Glicine hispida) (S); samleveno seme stočnog graška (Pisum sativum) (P) i tretman bez đubrenja (q). Prinos sveže mase (SvM) salate na đubrenim tretmanima, u proseku za dve godine ispitivanja, kretao se od 45,44 t ha-1 (P) do 46,38 kg t ha-1 (ST) i bio je značajno viši od prinosa ostvarenog na kontrolnom tretmanu (39,34 t ha-1), dok razlike između đubrenih tretmana nisu bile statistički značajne. Između sadržaja mineralnog N u zemljištu i sadržaja nitrata u svežoj masi salate u trenutku berbe, u obe godine ispitivanja, utvrđena je značajna linearna zavisnost (r = 0,83**u 2007, r = 0,91**u 2008).
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jezik rada: srpski
vrsta rada: izvorni naučni članak
objavljen u SCIndeksu: 05.07.2010.