ArticleBMC plant biology2026
Assessing the impact of Djdi on the growth, nutrient uptake, and secondary metabolite production in Eruca vesicaria (L.) Cav.
Article in BMC plant biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThis pioneering research aims to assess Djdi Ocher (Khuzam Shale), a naturally occurring Pharaonic fertilizer from Southern Egypt, as a unique sustainable soil amendment. The study focuses on blending Djdi with sandy clay soil (CS) in various ratios to evaluate its effects on the growth and development of Eruca vesicaria.
resultsIn a pot experiment, E. vesicaria seeds were germinated in three different Djdi-to-soil ratios: (1:1; Djdi: CS1), (1:2; Djdi: CS2), and (1:3; Djdi: CS3). After 15 days, seedlings were harvested for comprehensive analysis. XRD analysis characterized Djdi as a sandy loam enriched with minor and major oxides, particularly iron oxides. Soil analysis revealed that Djdi: CS2 and Djdi: CS3 treatments recorded the highest sum of anions (CO
conclusionThe study concludes that the Djdi: CS3 (1:3) ratio serves as a novel, eco-friendly fertilizer that improves soil fertility, promotes plant growth, and boosts bioactive constituents. These findings align with Sustainable Development Goals (SDGs) by enhancing soil productivity for subsequent crop cycles.
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