ArticleScientific reports2026
Enhancing fertilizer use efficiency in Mentha spicata L. through biochar-based integration with NPK in sandy soils.
Article in Scientific reports, 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
Sandy soils are widely distributed in Egypt and are characterized by poor physical properties and a limited capacity to retain irrigation water and nutrients, which severely constrains agricultural productivity. Addressing these limitations has become increasingly critical to ensure sustainable crop production under arid and semi-arid conditions. Therefore, this study aimed to evaluate the effectiveness of biochar as a soil amendment for improving growth performance, yield, nutrient accumulation, photosynthetic pigments, and essential oil production of Mentha spicata cultivated under sandy soil conditions over two successive seasons (2024-2025). The field experiment consisted of four treatments: untreated control, NPK at 5 g L
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