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2009, vol. 46, br. 1, str. 175-179
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Efekat primene mikrobiološkog đubriva za šećernu repu
Effect of biofertilizer application in sugar beet
Naučni institut za ratarstvo i povrtarstvo, Novi Sad
Sažetak
Poljski ogledi su izvedeni tokom 2007. i 2008. godine na većem broju proizvodnih parcela u Vojvodini kako bi se utvrdio efekat primene mikrobiološkog đubriva NS-Betafixina na prinos korena, prinos kristalnog šećera, kao i brojnost mikroorganizama u rizosferi šećerne repe. Primena NS-Betafiksina dovela je do značajnog poboljšanja prinosa u poređenju sa kontrolom, tj. netretiranim zemljištima, a takođe je došlo do povećanja brojnosti mikroorganizama (ukupan broj i broj azotobaktera) i do smanjenja brojnosti gljiva i aktinomiceta na tretiranom zemljištu. Uopšteno, moglo bi se zaključiti da je biođubrenje, tj. primena NS-Betafixina dobar alat u poboljšanju prinosa šećerne repe kako kvantitativno tako i kvalitativno, može da redukuje primenu đubriva, tj. cenu proizvodnje, a uz to doprinosi poboljšanju životne sredine.
Abstract
Field trials were carried out in 2007 and 2008 on a number of commercial plots in Vojvodina in order to determine how the biofertilizer NS-Betafixin affects root yields, white sugar yields, and microbial abundance in the sugar beet rhizosphere. The use of NS-Betafixin resulted in a significant increase of yield compared with the control (untreated soil). The total number of microorganisms and azotobacter abundance increased as well, while the number of fungi and actinomycetes decreased. Overall, the application of NS-Betafixin can be regarded as a good tool for improving sugar beet yields both quantitatively and qualitatively. It may also reduce fertilizer application and production costs and is environmentally friendly.
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