Productivity of Hulles Barley in Organic and Conventional Cropping System
Produktivnost golozrnog ječma u organskom i konvencionalnom sistemu gajenja
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Author
Oljaca, Snezana
Dolijanovic, Zeljko
Glamoclija, Djordje
Djordjevic, Snezana
Oljaca, Jasmina
Keywords
hulles barlyorganic cropping system
conventional cropping system
yield
golozrni ječam
organski sistem gajenja
konvencionalni sistem gajenja
prinos
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Show full item recordAbstract
There is rising interest for hulless barley use in human nutrition and industrial
processing. Hulless barley is a relatively new cereal crop; the hulls of it can be separated
from grain during threshing. This cereal has been recognized as being more valuable and
economic in food industry than covered barley. Several studies show the positive
influence of hulless barley food products on human health; it can be utilized in many
different food products. Aim of this paper is to investigate possibilities of organic
growing of hulless barley, comparing with conventional one, in agroecological
conditions of Valjevo hilly region during 2008/2009. Trial was set up in Kotešica village
on soil which was not used for agriculture for 7 years. In organic cropping system three
combinations of microbiological fertilizer baktofil with zeolite and hydrogel were used
prior to sowing. Half of each plot was treated with foliar microbiological fertilizer
(Slavol) during crop growing period. In conventional cropping system three variants
with mineral fertilizers were included: NPK, NPK+zeolite, NPK+hydrogel. Results of
the yield obtaind in the experiment showed no significant differences between control
and treatments. Yield average in organic cropping system (4,54 t/ha) was slightly higher
than in conventional one (4,48 t/ha), but both of them were lower than in control with no
fertilizer (4,65 t/ha). According to yield obtained in separate plots, the highest value gave
the treatment NPK+zeolit+slavol. Different microbiological fertilizers combined with
NPK fertilizer and zeolite give the maximum results in hulles barly production. Poslednjih desetak godina u svetu raste interes za upotrebom golozrnog ječma u
direktnoj ljudskoj ishrani i industrijskoj preradi. Razlog za to je pre svega što golozrni
ječam predstavlja bogat izvor rastvorljivih biljnih vlakana, koji povoljno utiču na ljudsko
zdravlje. Cilj ovog rada je da se ispita mogućnost organskog gajenja ove biljne vrste, u
odnosu na konvencionalni u konkretnim agroekološkim uslovima Valjevskog pobrđa
2008/2009 godine. Ogled je postavljen u selu Kotešica, na zemljištu koje nije korišćeno
u konvencionalnoj proizvodnji 7 godina. U organskom sistemu poljoprivredne
proizvodnje, korišćene su kombinacije mikrobiološkog đubriva baktofila sa dva
poboljšivača zemljišta zeolita i hidrogela, kojima je tretirano zemljište neposredno pred
setvu, a u toku vegetacionog perioda neke varijante ogleda su folijarno tretirane
mikrobiološkim đubrivom (slavol). U konvencionalnom sistemu poljoprivredne
proizvodnje uključene su tri varijante sa kompleksnim mineralnim NPK đubrivom i
kombinacija sa zeolitom i hidrogelom, kojima je tretirano zemljište neposredno pred
setvu. Dobijeni rezultati prosečnih prinosa golozrnog jećma pokazuju da na parceli, koja
nije korišćena dugi niz godina, nisu dobijene značajne razlike između kontrole, bez
đubrenja i tretmana sa mikrobiološkim ili mineralnim đubrivima. Prosečni prinos u
organskom sistemu gajenja (4,54 t/ha) je bio nešto viši od konvencionalnog (4,48 t/ha), a
oba su bila nešto niža od kontrole bez đubrenja (4,65 t/ha). Posmatrajući prinose po
pojedinačnim varijantama najveći prinos je postignut u tretmanu NPK+zeolit+slavol.
U ovoj varijanti ogleda mikrobiološka đubriva su u kombinaciji sa NPK i poboljšivačem
zemljišta dala maksimalne rezultate u gajenju golozrnog ječma.