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Assessing and mapping the environmental impacts of best management practices in nitrate-vulnerable areas
ID Curk, Miha (Avtor), ID Glavan, Matjaž (Avtor)

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Izvleček
This investigation explores the impact of various management practices on nitrate leaching and crop yield in two specific areas in Slovenia. The issue of nitrate leaching from agricultural land is a worldwide threat to drinking water, and despite years of research efforts, universal solutions are still unknown. The two chosen study sites are significant because of their importance for agricultural production and because groundwater aquifers beneath are main sources of drinking water, which makes imposing mitigation measures challenging. One of the areas was reported to be of “bad” status according to the Water Framework Directive criteria, while the other is at risk of reaching this status if nitrate concentrations in groundwater continue to rise. This research used the SWAT model to simulate nitrate leaching and crop yield changes under different agricultural scenarios on different soil types. It aimed to accomplish two objectives: first, to identify parts of the case study areas where the existing combination of soil conditions and agricultural practices enables a high potential for nitrate leaching; second, to identify agricultural practices that decrease nitrate leaching from various soil types while maintaining crop yields in each area. By identifying the most vulnerable locations and the most promising practices, we generated a chart of best management practices for specific soil types as a guide that extension services can use to advise farmers on potential management improvements. The main findings demonstrate that reducing fertilizer application, both organic and inorganic, in areas where the rates exceed crop requirements may not have a significant impact on crop production. However, these reductions often resulted in a noticeable decrease in nitrate exports. The results also showed that soil type is crucially important and should always be considered when evaluating the effects of agricultural management on crop yields and nitrate leaching.

Jezik:Angleški jezik
Ključne besede:agriculture, BMPs, nitrate leaching, groundwater, management scenarios, SWAT model, fertilization
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:BF - Biotehniška fakulteta
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2023
Št. strani:23 str.
Številčenje:Vol. 15, iss. 13, art. 2364
PID:20.500.12556/RUL-147265 Povezava se odpre v novem oknu
UDK:556
ISSN pri članku:2073-4441
COBISS.SI-ID:157053187 Povezava se odpre v novem oknu
Datum objave v RUL:28.06.2023
Število ogledov:263
Število prenosov:26
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Water
Skrajšan naslov:Water
Založnik:Molecular Diversity Preservation International - MDPI
ISSN:2073-4441
COBISS.SI-ID:36731653 Povezava se odpre v novem oknu

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:vodni menedžment, hidrologija, upravljanje voda, kmetijstvo, vplivi na okolja, nitrati, izpiranje, podtalnica, scenarij upravljanja, gnojenje

Projekti

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:6316-1/2017-273
Naslov:Mladi raziskovalec
Akronim:MR

Financer:EC - European Commission
Program financ.:European Commission
Številka projekta:862756
Naslov:OPtimal strategies to retAIN and re-use water and nutrients in small agricultural catchments across different soil-climatic regions in Europe
Akronim:OPTAIN

Financer:Drugi - Drug financer ali več financerjev
Program financ.:University of Ljubljana, Biotechnical Faculty
Naslov:APC

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