{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T15:43:25Z","timestamp":1777477405454,"version":"3.51.4"},"reference-count":89,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2024,5,17]],"date-time":"2024-05-17T00:00:00Z","timestamp":1715904000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004801","name":"Shota Rustaveli National Science Foundation of Georgia (SRNSFG)","doi-asserted-by":"publisher","award":["PHDF-21-3645"],"award-info":[{"award-number":["PHDF-21-3645"]}],"id":[{"id":"10.13039\/501100004801","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sustainability"],"abstract":"<jats:p>Maintaining sufficient levels of plant nutrients in the soil and controlling certain heavy metals, which can be toxic to the environment, are critical to ensure sustainable agricultural production. The study aimed to assess the linkage of crop-specific agricultural practices established by farmers in the Kvemo Kartli region (Georgia) with metal accumulation in soils of agricultural lands being subject to influence from polluted irrigation water in the past. In particular, we tried to identify the primary sources of micro-nutrients, including iron (Fe), copper (Cu), manganese (Mn), nickel (Ni), and zinc (Zn), and toxic elements such as cadmium (Cd) and lead (Pb), and the share of the contaminated irrigation water and other factors related to agricultural practices under different land uses, such as intensive and extensive arable farming, vineyards, orchards, and permanent pastures having the least disturbed soil. Based on principal component analysis, five primary sources were identified and categorized according to farmer interviews and previous studies conducted in the region. The results showed that increased concentrations of plant-available Cu, Zn, Cd, and Pb were mainly associated with irrigation water and intensive use of fungicides; Fe, Mn, and Ni were closely linked to several factors, such as the mineralogical composition of soils, minerals, and organic fertilizers inputs; and atmospheric deposition from diffuse sources, where exhausts from transport are probably the primary source. During our study, we attempted to differentiate irrigation water inputs from fungicides using simulation based on irrigation patterns and irrigation water quality on the one hand and fungicide application rates and their metal contents on the other. The simulation revealed that the intensive application of fungicides, especially in vineyards, is more significant in enriching soils with Cu and Zn than irrigation water. Identification of factorial dependences was supported by statistical analysis and application of several contamination assessment methods: contamination factor (CF), pollution load index (PLI), single-factor pollution index (PI), Nemerow\u2019s comprehensive pollution index (PIN), enrichment factor (EF), and geo-accumulation index (Igeo). Applied environmental indices indicate that the soils under the former and existing vineyards are the most enriched with Cu and Zn, highlighting the significance of agricultural practices on heavy metal accumulations in the soils of agricultural lands.<\/jats:p>","DOI":"10.3390\/su16104244","type":"journal-article","created":{"date-parts":[[2024,5,17]],"date-time":"2024-05-17T12:02:23Z","timestamp":1715947343000},"page":"4244","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Impacts of Crop-Specific Agricultural Practices on the Accumulation of Heavy Metals in Soil in Kvemo Kartli Region (Georgia): A Preliminary Assessment"],"prefix":"10.3390","volume":"16","author":[{"given":"Giorgi","family":"Gventsadze","sequence":"first","affiliation":[{"name":"Soil Fertility Research Service, Scientific-Research Centre of Agriculture, Marshal Gelovani Avenue 36b, 0159 Tbilisi, Georgia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7178-176X","authenticated-orcid":false,"given":"Giorgi","family":"Ghambashidze","sequence":"additional","affiliation":[{"name":"Soil Fertility Research Service, Scientific-Research Centre of Agriculture, Marshal Gelovani Avenue 36b, 0159 Tbilisi, Georgia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zaur","family":"Chankseliani","sequence":"additional","affiliation":[{"name":"Soil Fertility Research Service, Scientific-Research Centre of Agriculture, Marshal Gelovani Avenue 36b, 0159 Tbilisi, Georgia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ioseb","family":"Sarjveladze","sequence":"additional","affiliation":[{"name":"Department of Agricultural Technology, Faculty of Agricultural Sciences and Biosystems Engineering, Georgian Technical University, Guramishvili Ave. 17, 0192 Tbilisi, Georgia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1279-5002","authenticated-orcid":false,"given":"Winfried E. H.","family":"Blum","sequence":"additional","affiliation":[{"name":"Institute of Soil Research, University of Natural Resources and Life Sciences, Peter-Jordan-Str. 82, 1190 Vienna, Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,5,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"014003","DOI":"10.1088\/1748-9326\/abc849","article-title":"Nutrient Supply Affects the Yield Stability of Major European Crops\u2014A 50 Year Study","volume":"16","author":"Ahrends","year":"2020","journal-title":"Environ. Res. Lett."},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Timsina, J. (2018). Can Organic Sources of Nutrients Increase Crop Yields to Meet Global Food Demand?. 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