المجلة الجزائرية للعلوم
Volume 9, Numéro 2, Pages 20-37
2026-06-23
Assessment Of Pest Management Practices In The Wilaya Of El Tarf (algeria): Agricultural Intensification, Patterns Of Herbicide Use, And Environmental Impacts
Authors : Gheid Samira . Bensaidi Sana . Melouah Aya .
Abstract
Driven by the global push for higher yields since the 1950s, agricultural intensification in the El Tarf province of northeastern Algeria has led to a heavy reliance on chemical pesticides. Known as the "orchard of the East," this highly fertile region encompasses an agricultural area of 84,000 hectares, with irrigated lands projected to expand to 20,000 hectares by 2026. 70% of local farming is commercial and profit-driven, focusing heavily on market garden vegetables, industrial tomatoes, and fruits. Due to the area's high humidity and rainfall, which frequently exceeds 1,000 mm/year, fungal diseases are a constant threat; consequently, fungicides account for 54% of local chemical use, followed by insecticides at 37%, and herbicides at 9%. Local farmers strongly prefer selective and systemic herbicides applied to foliage and roots to efficiently eliminate weeds. While these chemical practices have successfully ensured crop production, they pose documented environmental risks—particularly to aquatic ecosystems, where leached herbicides bioaccumulate, resulting in significantly higher toxicity in fish compared to birds and bees. Ultimately, the study highlights the urgent need to adopt sustainable plant protection practices to safeguard human health and preserve the region's vital ecosystems.
Keywords
Herbicide, agricultural, environmental, toxicity, El Tarf
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