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INDONESIA
Caraka Tani: Journal of Sustainable Agriculture
Published by Universitas Sebelas Maret
ISSN : 26139456     EISSN : 25992570     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Caraka Tani: Journal of Sustainable Agriculture publishes original articles, review articles, case studies and short communications on the fundamentals, applications and management of Sustainable Agriculture areas in collaboration with Indonesian Agrotechnology / Agroecotechnology Association (PAGI), Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network), and Indonesian Agricultural Higher Education Communication Forum (FKPTPI). This journal has two issues in a year and it will be published in April and October.
Arjuna Subject : -
Articles 122 Documents
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Assessment of Essential and Toxic Element Intake from Sheep Dairy Products with Different Consumption Scenarios in an Organic Sheep Farm Martina Pšenková; Róbert Toman; Ivona Jančo
Caraka Tani: Journal of Sustainable Agriculture Vol 41, No 3 (2026): In press July
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v41i3.116371

Abstract

Monitoring essential and toxic elements in milk and dairy products is important for protecting consumer health. Regular monitoring of these elements helps ensure the quality, safety, and nutritional value of dairy products. This study aimed to determine the concentrations of 8 elements (Ca, Mg, K, Zn, Se, Ni, Sr, and As) in sheep milk, sheep cheese, and traditional Slovak sheep products, including žinčica and bryndza. A total of 48 samples were collected from an ecologically managed sheep farm located in an undisturbed area of Slovakia. The highest concentrations were recorded for essential elements, particularly in solid sheep milk products such as sheep cheese and bryndza. Significant differences (p < 0.05) in element concentrations were observed among the analyzed products. Dietary intake assessment was based on 2023 Slovak dairy consumption data and on recommended consumption levels for selected dairy products. Risk assessment of toxic element intake revealed elevated exposure levels in relation to toxicological limits. Ni intake reached 50.77% of the tolerable daily intake (TDI) in bryndza and 40.00% in fresh sheep cheese. For As, the preliminary tolerable weekly intake (PTWI) reached 48.00% for žinčica and 30.60% for bryndza. These findings suggest that long-term excessive consumption of certain sheep products may negatively affect human health. Although sheep milk products are consumed less frequently than cow milk products, their high nutritional value and the detected levels of toxic elements highlight the need for continuous monitoring of element transfer into the food chain and its potential effects on human health.
Efficacy of Aqueous Plant Extracts in the Control of Downy Mildew (Peronospora variabilis) in Quinoa (Chenopodium quinoa) Rolando Bautista-Gómez; Walter Mateu-Mateo; Miquer Aybar-Cordero; Victor Chávez-Centeno; Francisco Alejandro Espinoza-Montes
Caraka Tani: Journal of Sustainable Agriculture Vol 41, No 3 (2026): In press July
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v41i3.115591

Abstract

Downy mildew caused by Peronospora variabilis is one of the main health problems affecting quinoa cultivation in the Andean region. The objective of this study was to evaluate the efficacy of aqueous extracts of garlic (Allium sativum), horsetail (Equisetum bogotense), and paico (Chenopodium ambrosioides) in reducing the severity of downy mildew and its effect on the yield of the Blanca Junín and Pasankalla quinoa varieties. The working solutions contained 10% of the crude extract. Foliar applications were made every 7 days, between 21 and 84 days after sowing. Using a randomized complete block split-plot design, severity, area under the disease progress curve (AUDPC), and relative efficacy (RE) of the treatment were quantified. The results revealed a significant interaction between variety and treatment (p < 0.05). Garlic extract in the Blanca Junín variety stood out as the best alternative for downy mildew control, considerably reducing AUDPC, increasing yield, and demonstrating greater RE (68.4%) compared to the synthetic fungicide metalaxyl. In the Pasankalla variety, because of its greater intrinsic tolerance, the impact of the extracts on yield was less pronounced. These findings position plant extracts, especially garlic extracts, as viable alternatives for the integrated management of downy mildew in quinoa crops, although it is recommended to validate their effectiveness in multiple campaigns that align with environmental sustainability and human health.

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