Liming Of Acid Soils in Central Serbia
Kalcizacija kiselih zemljišta u centralnoj Srbiji
Author
Jelic, M
Milivojevic, Jelena
Dugalic, G
Djekic, Vera
Sekularac, Gordana
Paunovic, A
Biberdzic, M
Tmusic, Nadica
Keywords
plantsliming acid soils
ameliorant
yield
biljke
kalcizacija
kisela zemljišta
melioranti
prinos
Metadata
Show full item recordAbstract
Acidic soils are preset over 60% of the total arable land in Central Serbia. Yields of the
majority of field crops that are achieve on acid soils are low and poor quality. The
introduction of control of soil fertility and application of amelioration measures,
especially liming, are significantly influenced to improvement of fertility of acid soils
and increase yields of cultivated plant species. Also, by neutralizing the acidity of the
soil there were positive changes in the degree of weed infestation of crops, changes in
the structure of weeds, as well as greater efficiency of protection of cultivated plants
from weeds.
A substantial portion of acid soils in Central Serbia is not under control of soil fertility
and use of fertilizer and without implementation liming as a measure of amelioration.
Also, in this area do not exist demonstration experiments in order to monitor changes
that cause the application of liming in soils, as well as the promotion of this important
amelioration measures. U radu je dat pregled najvažnijih rezultata neutralizacije kiselih zemljišta Centralne
Srbije primenom pH melioranata, naročiro upotrebom krečnog đubriva "Njival Ca". Na
osnovu dosadašnjih istraživanja utvrđen je veoma pozitivan efekat primene kalcizacije
na podizanje nivoa plodnosti svih proučavanih tipova kiselih zemljišta i to preko:
povećanja njihove pH vrednosti, sadržaja organske materije, ukupnog azota,
lakopristupačnog fosfora i kalijuma, značajnog smanjenja sadržaja mobilnog
aluminijuma, gvožđa i mangana, kao i sadržaja pristupačnih formi teških metala.
Takođe, neutralizacijom kiselih zemljišta značajno su povećani prinosi gajenih biljnih
vrsta (od 30% do nekoliko puta), naročito osetljivih na niske pH vrednosti i sadržaj
mobilnog Al. Primenom ove pedomeliorativne mere na kiselim zemljištima utvrđeno je
i smanjenje zakorovljenosti i pozitivne promene florističkog sastava korova u usevima
pojedinih biljnih vrsta.