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    Phytoremediation potential of Milk thistle (Silybum marianum) - A sustainable approach to mitigate soil contamination while supporting pharmaceutical applications
    (2025-05-27)
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    Gjorgjievska, Jovana
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    Todorov, Filip
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    Stoilkovska Gjorgievska, Veronika
    Milk thistle (Silybum marianum) is recognized for its medicinal properties and potential as a phytoremediation agent. [1,2] This study assesses its ability to absorb heavy metals and decontaminate soils while preserving pharmacological efficacy. Soil and plant samples were collected from eight locations in North Macedonia during different vegetative phases. Mechanical and pedological soil analyses were conducted to characterize soil composition, while heavy metal concentrations in soil and plant material were evaluated using ICP-AES. Silymarin content in the plant and seeds was determined via high-performance liquid chromatography (HPLC). The soils exhibited significant variability in heavy metal content. Lead (Pb) levels ranged from 25 to 107 mg/kg, cadmium (Cd) from 0.1 to 1.3 mg/kg, and zinc (Zn) from 14 to 203 mg/kg. Notably, lead and cadmium levels in plant material were below detection limits, confirming minimal accumulation, whereas zinc levels varied significantly, peaking in urban areas. Silymarin content ranged from 0.02% to 0.16% in plant material, with seeds exhibiting higher concentrations (1.14%), demonstrating the plant's resilience and pharmacological viability in contaminated environments. These results highlight the adaptability of milk thistle to diverse soil conditions and its capacity to accumulate metals without compromising silymarin production. By combining phytoremediation with medicinal plant cultivation, milk thistle offers a sustainable approach to mitigating soil contamination while supporting pharmaceutical applications. This study provides critical insights for integrating environmental restoration with the production of high-value medicinal plants.
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    WATER USE EFFICIENCY AND PEPPER YIELD UNDER DIFFERENT IRRIGATION AND FERTILIZATION REGIME
    (Macedonian Academy of Sciences and Arts, 2019-06-10)
    Tanaskovik, Vjekoslav
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    Cukaliev, Ordan
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    Romić, Davor
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    Ondrasek, Gabrijel
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    Savić, Radovan
    <jats:p>The primary objective of this study was to determine water use efficiency (WUE) and pepper yield under differ-ent irrigation and fertilization regimes. For this purpose, a three-year field experiment was conducted with pepper, grown in a plastic house in the Skopje region. Four experimental treatments were applied in this study. Three of the treatments were drip fertigated (DF1, DF2, DF3), while the last one was furrow irrigated with conventional application of fertilizer (ØB). The results obtained clearly showed that treatments DF1, DF2, and DF3 resulted in significantly higher marketable and dry pepper yield in comparison to treatment ØB. Also, drip fertigation frequency at four and two days (DF2 and DF1) resulted in 9.6 % to 13.6 % higher marketable and 17.6 % to 20.1 % dry pepper yield when compared with drip fertigation scheduled by tensiometers (DF3). Also, our results indicate that drip fertigation is an effective prac-tice in achieving significantly higher WUE. Namely, WUE was 2.50, 2.47, 1.99 and 1.54 kg/m3 for the treatments DF1, DF2, DF3 and ØB, respectively.</jats:p>
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    SPATIAL DISTRIBUTION OF COPPER (Cu) IN APPLE ORCHARDS IN THE RESEN REGION
    (Journal Agriculture and Forestry, 2025-12-15)
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    MITKOVA, Tatjana
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    PETEK, Marko
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    Spatial distribution of copper in the soils under orchards in the Kumanovo region
    (Biotechnical Faculty of the University of Montenegro, 2026-03-31)
    Mitkova, Tatjana
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    Todorovska Marija
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    Phosphorus and iron content in apples in different sales channels
    (University of Agronomic Sciences and Veterinary Medicine of Bucharest, 2025-10-01)
    Petek, Marko
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    Matilda Povodnik
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    Tomislav Karažija
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    Šatvar Vrbančić Mihaela
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    Phosphorus and iron are essential elements that are necessary for various functions of plants, but also for humans. The apple, Malus × domestica Borkh., is one of the most consumed fruits in the world, also in Croatia. Since the mentioned elements influence the growth and development of the plant and also have certain health effects on humans, the presence of these elements in apples on the Zagreb market should be investigated. After collecting and sampling the apples, the phosphorus content was determined by spectrophotometry and the iron content by atomic absorption spectrometry. Apples from retail chains statistically have the highest average phosphorus content in dry matter (0.14 % P DW), while apples from organic products stores statistically have the highest phosphorus content in fresh weight (27.29 mg P/100 g fresh weight). As for iron, the statistically highest average content in both dry matter and fresh matter was found in apples from retail chains (15.99 mg Fe/kg DM and 0.261 mg Fe/100 g fresh weight). These results could be the consequences of conventional agriculture.