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<p>The excessive use of chemical fertilizers increases nutrient levels, but they are detrimental to the environment, fruit composition, and fruit quality. Compost and bio-fertilizers improve soil quality and crop yields. The study aimed to mitigate the hazardous effects of chemical fertilizers by recourse to organic and bio-fertilization. Through a&#xa0;2-year field experiment at a&#xa0;private farm of ‘Flame Seedless’ grapevines, integrated fertilizers were evaluated using five treatments: 100% of the recommended chemical fertilizer (T1), 100% compost (T2), 75% chemical fertilizer +25% compost (T3), 75% chemical fertilizer +12.5% compost +12.5% effective microorganisms (EM) (T4), and 50% compost +50% EM (T5). The results confirmed that T2 increased soil organic matter content by 67.50 and 78.79% in the 1st and 2nd year, respectively, compared to T1. The highest grapevine yield was attained with T4 treatment in both years, being 40.11 and 48.69% higher than that with T1 in the 1st and 2nd years, respectively. However, T4 (75% chemical fertilizer +12.5% compost +12.5% EM) was an effective approach that increased grapevine yield and quality and conserved soil quality.</p>

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Diverse Fertilizers to Boost the Production of Seedless Grapevines Grown on Sandy Soil

  • 期刊论文

  • 发表日期：

    2026年5月6日

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  • Abdullah Abdelaziz Abdul Radi,
  • Sabry A. Hegab,
  • Mohamed A. M. Abada,
  • Asem M. A. Abdel-Gawad,
  • Hassan M. Al-Sayed

摘要

The excessive use of chemical fertilizers increases nutrient levels, but they are detrimental to the environment, fruit composition, and fruit quality. Compost and bio-fertilizers improve soil quality and crop yields. The study aimed to mitigate the hazardous effects of chemical fertilizers by recourse to organic and bio-fertilization. Through a 2-year field experiment at a private farm of ‘Flame Seedless’ grapevines, integrated fertilizers were evaluated using five treatments: 100% of the recommended chemical fertilizer (T1), 100% compost (T2), 75% chemical fertilizer +25% compost (T3), 75% chemical fertilizer +12.5% compost +12.5% effective microorganisms (EM) (T4), and 50% compost +50% EM (T5). The results confirmed that T2 increased soil organic matter content by 67.50 and 78.79% in the 1st and 2nd year, respectively, compared to T1. The highest grapevine yield was attained with T4 treatment in both years, being 40.11 and 48.69% higher than that with T1 in the 1st and 2nd years, respectively. However, T4 (75% chemical fertilizer +12.5% compost +12.5% EM) was an effective approach that increased grapevine yield and quality and conserved soil quality.