Floristic Composition and Yield of Danthonietum Calycinae Grassland Type Influenced By Fertilisers and Lime

Abstract

The aim of this study was evaluated change of botanical composition and dry matter yield influenced by different fertilizers (control, P60K60, N.60P60K60) and lime (without lime and 1000 kg ha-1 lime) of Danthonietum calycinae grassland type, in central part of Serbia. Nitrogen fertilisation treatments led to an increase of grass species, but also decreased plants from other families. Tretmant P60K60 with lime stimulated an increase of legumes in biomass in first and second year of investigation. Aplication of nitrogen increase forage yield in both years of investigation. Effect of P60K60 tretmans and lime on increasing dry matter yield was observed in second year.

Cilj rada je bio ispitivanje uticaja đubrenja i kalcizacije na floristički sastav i prinos biljne zajednice Danthonietum calycinae, u centralnom delu Srbije. Ispitivani su tretmani đubrenja (kontrola, P60K60 i N60P60K60) i kalcifikacije (bez kreča i 1000 kg ha-1). Na tretmanina na kojima je unešen mineralni azot došlo je do porasta udela trava, a pada udela biljaka ostalih familija. Najpovoljniji uslovi za razvoj leguminoza bili su na tretmanima PK sa krečom, u obe godine istraživanja. Povoljan uticaj mineralnog azota uočen je već u prvoj godini, dok je unošenje fosfornih i kalijumovih đubriva dalo efekta na prinos tek u drugoj godini istraživanja.