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<p>In the current agricultural landscape, achieving sustainable and efficient nutrient management is crucial for addressing global food security and environmental challenges. Conventional fertilizers often suffer from low nutrient use efficiency and environmental concerns, highlighting the need for innovative alternatives. This study explores the potential of green-synthesized and commercially available iron (Fe) and zinc (Zn) nanoparticles (NPs) as sustainable nutrient sources to enhance seed germination, plant growth, productivity, and nutritional quality in pigeonpea (Cajanus cajan). Through laboratory and field experiments, green-synthesized NPs demonstrated superior stability and effectiveness compared to commercial variants. Optimized seed priming with nanoiron and nanozinc significantly improved germination, seed vigor, and early seedling growth. Field trials combining seed priming and foliar application demonstrated a 77.41% increase in seed yield (1728&#xa0;kg ha<sup>−1</sup>), a 77.35% higher stalk yield (4285&#xa0;kg ha<sup>−1</sup>), and 52.20% increase in husk yield (828&#xa0;kg ha<sup>−1</sup>) compared to control, additionally, these treatments enhanced SPAD values by 27.82% (53.43) and NDVI values by 54.38% (0.88) relative to control. These findings highlight the potential of green-synthesized NPs as a sustainable alternative to synthetic fertilizers, offering a practical solution for enhancing crop productivity and nutritional security.</p>

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Comparative evaluation of green synthesized and commercial iron and zinc nanoparticles on germination, growth and productivity of pigeonpea

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月17日

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  • Akshay Kumar Kurdekar,
  • B. K. Desai,
  • B. G. Koppalakar,
  • Manjanagouda S. Sannagoudar,
  • Pandit S. Rathod,
  • Sharanagouda Hiregoudar,
  • N. L. Rajesh,
  • Khalid F. Almutairi,
  • Hosam O. Elansary,
  • Muhammad Nazim

摘要

In the current agricultural landscape, achieving sustainable and efficient nutrient management is crucial for addressing global food security and environmental challenges. Conventional fertilizers often suffer from low nutrient use efficiency and environmental concerns, highlighting the need for innovative alternatives. This study explores the potential of green-synthesized and commercially available iron (Fe) and zinc (Zn) nanoparticles (NPs) as sustainable nutrient sources to enhance seed germination, plant growth, productivity, and nutritional quality in pigeonpea (Cajanus cajan). Through laboratory and field experiments, green-synthesized NPs demonstrated superior stability and effectiveness compared to commercial variants. Optimized seed priming with nanoiron and nanozinc significantly improved germination, seed vigor, and early seedling growth. Field trials combining seed priming and foliar application demonstrated a 77.41% increase in seed yield (1728 kg ha−1), a 77.35% higher stalk yield (4285 kg ha−1), and 52.20% increase in husk yield (828 kg ha−1) compared to control, additionally, these treatments enhanced SPAD values by 27.82% (53.43) and NDVI values by 54.38% (0.88) relative to control. These findings highlight the potential of green-synthesized NPs as a sustainable alternative to synthetic fertilizers, offering a practical solution for enhancing crop productivity and nutritional security.