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<p>Growing food demand and environmental concerns have intensified interest in sustainable agriculture, which depends on reducing conventional fertilizer use, improving crop varieties, and utilizing natural growth-promoting resources. This study evaluated the individual and combined effects of vermicompost (0 and 5 t/ha) and a biostimulant (0, 2, and 4&#xa0;g/L foliar spray) on plant growth and nutritional quality of eggplant (<i>Solanum melongena</i> L.) by integrating soil amendments with targeted foliar applications. The integration of 5 tons/ha of vermicompost with 2&#xa0;g/L of biostimulant (F4) was the most effective treatment across most attributes in this study, including leaf chlorophyll content (56.50 SPAD), plant fruit number (23.00), plant fruit weight (2.52&#xa0;kg), total marketable yield (72.00 ton/ha), pH (4.44), total acidity (0.50&#xa0;g/100&#xa0;g), chlorophyll <i>a</i> (2.96&#xa0;µg/g FW), chlorophyll <i>b</i> (1.33&#xa0;µg/g FW), carotenoids (0.91&#xa0;µg/g FW), and saponin (9.20&#xa0;mg /100&#xa0;g FW). Followed by vermicompost with 4&#xa0;g/L of biostimulant (F5) and then by 2&#xa0;g/L of biostimulant applied alone (F2). These findings demonstrate that combining vermicompost with biostimulants can sustainably improve eggplant growth, yield, and nutritional quality under controlled or semi-controlled conditions, providing a practical strategy for eco-friendly vegetable production.</p>

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Sustainable Eggplant Production Using Vermicompost and Biostimulant: Effects on Growth, Yield and Nutritional Quality

  • 期刊论文

  • 发表日期：

    2026年2月25日

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  • Hawar Sleman Halshoy

摘要

Growing food demand and environmental concerns have intensified interest in sustainable agriculture, which depends on reducing conventional fertilizer use, improving crop varieties, and utilizing natural growth-promoting resources. This study evaluated the individual and combined effects of vermicompost (0 and 5 t/ha) and a biostimulant (0, 2, and 4 g/L foliar spray) on plant growth and nutritional quality of eggplant (Solanum melongena L.) by integrating soil amendments with targeted foliar applications. The integration of 5 tons/ha of vermicompost with 2 g/L of biostimulant (F4) was the most effective treatment across most attributes in this study, including leaf chlorophyll content (56.50 SPAD), plant fruit number (23.00), plant fruit weight (2.52 kg), total marketable yield (72.00 ton/ha), pH (4.44), total acidity (0.50 g/100 g), chlorophyll a (2.96 µg/g FW), chlorophyll b (1.33 µg/g FW), carotenoids (0.91 µg/g FW), and saponin (9.20 mg /100 g FW). Followed by vermicompost with 4 g/L of biostimulant (F5) and then by 2 g/L of biostimulant applied alone (F2). These findings demonstrate that combining vermicompost with biostimulants can sustainably improve eggplant growth, yield, and nutritional quality under controlled or semi-controlled conditions, providing a practical strategy for eco-friendly vegetable production.