EFFECT OF SOME HERBICIDES APPLICATION ON NITRATES (V) CONTENT IN POTATO TUBERS
Krystyna Zarzecka 1  
,  
Marek Gugała 1  
,  
Honorata Dołęga 1  
,  
Iwona Mystkowska 2  
,  
Alicja Baranowska 2  
,  
Anna Sikorska 1  
,  
 
 
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1
Department of Agrotechnology, Faculty of Natural Science, Siedlce University of Natural Sciences and Humanities, Prusa St. 14, 08-110 Siedlce, Poland
2
Department of Environment Sciences, Pope John Paul II State School of Higher Education, Sidorska St. 95/97, 21-500 Biala Podlaska, Poland
Publish date: 2016-07-01
 
J. Ecol. Eng. 2016; 17(3):198–202
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ABSTRACT:
A field experiment was carried in the Agricultural Experimental Station Zawady (52°03’ N; 22°33’ E),owned by the Siedlce University of Natural Sciences and Humanities out in 2005-2007. The research was designed as a two factors randomized block with three replicates. Factors examined in the experiment included two potato varieties - Irga and Balbina and four weed control methods combined mechanical and chemical for herbicides application: Plateen 41,5 WG (metribuzin + flufenacet), Racer 250 EC (fluorochloridone), Sencor 70 WG (metribuzin), and control object – mechanical weeding before and after potato sprouting. The study was designed to test the influence of the weed control methods on nitrates content in consumption potato tubers. The nitrates (V) content depended on the weed control methods, varieties and weather conditions throughout the growing season. The highest nitrates (V) content was determined when weeds were controlled mechanically and chemically using Sencor 70 WG. The study results demonstrated that Balbina had a higher concentration of nitrates (V) compared with Irga.
CORRESPONDING AUTHOR:
Krystyna Zarzecka   
University of Natural Sciences and Humanities in Siedlce, B. Prusa 14, 08-110 Siedlce, Poland