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<p>In response to growing concerns about the environmental and economic impacts of chemical fertilizers, this study explores the potential of biofertilization using native <i>Rhizobium</i> strains to enhance the growth, yield, and quality of <i>Solanum lycopersicum</i> (tomato) under field conditions. The experiment assessed the effects of <i>Rhizobium</i> biofertilization on plant performance and soil microbial communities by applying <i>R. calliandrae</i>, <i>R. jaguaris</i>, <i>R. mayense</i>, and a bacterial consortium, in comparison to conventional chemical fertilization. Key parameters such as plant height, fruit yield, macronutrient and micronutrient content, and fruit quality (lycopene and <i>β</i>-carotene levels) were measured. Results showed that <i>R. calliandrae</i> and <i>R. jaguaris</i> significantly enhanced fruit yield, nitrogen, potassium, manganese, and boron levels, while also improving fruit quality compared to the control. The impact of strain inoculation on the structure of the microbial community was also examined. Metataxonomic analysis of rhizospheric soils revealed no significant changes in microbial diversity, indicating that biofertilization with <i>Rhizobium</i> strains promotes plant growth without disrupting the composition of the soil microbiome. These findings suggest that <i>Rhizobium</i> biofertilization is a viable and sustainable alternative to chemical fertilizers, providing benefits to both crop productivity and soil health while minimizing the environmental footprint associated with conventional agricultural practices. The study underscores the importance of carefully selecting bacterial species with complementary functions to maximize the effectiveness of biofertilization strategies.</p>

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Native Rhizobium biofertilization enhances yield and quality in Solanum lycopersicum under field conditions

  • 期刊论文

  • 发表日期：

    2025年4月7日

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  • Adriana Gen-Jiménez,
  • José David Flores-Félix,
  • Clara Ivette Rincón-Molina,
  • Luis Alberto Manzano-Gómez,
  • Juan José Villalobos-Maldonado,
  • Nancy Ruiz-Lau,
  • Rocio Roca-Couso,
  • Víctor Manuel Ruíz-Valdiviezo,
  • Reiner Rincón-Rosales

摘要

In response to growing concerns about the environmental and economic impacts of chemical fertilizers, this study explores the potential of biofertilization using native Rhizobium strains to enhance the growth, yield, and quality of Solanum lycopersicum (tomato) under field conditions. The experiment assessed the effects of Rhizobium biofertilization on plant performance and soil microbial communities by applying R. calliandrae, R. jaguaris, R. mayense, and a bacterial consortium, in comparison to conventional chemical fertilization. Key parameters such as plant height, fruit yield, macronutrient and micronutrient content, and fruit quality (lycopene and β-carotene levels) were measured. Results showed that R. calliandrae and R. jaguaris significantly enhanced fruit yield, nitrogen, potassium, manganese, and boron levels, while also improving fruit quality compared to the control. The impact of strain inoculation on the structure of the microbial community was also examined. Metataxonomic analysis of rhizospheric soils revealed no significant changes in microbial diversity, indicating that biofertilization with Rhizobium strains promotes plant growth without disrupting the composition of the soil microbiome. These findings suggest that Rhizobium biofertilization is a viable and sustainable alternative to chemical fertilizers, providing benefits to both crop productivity and soil health while minimizing the environmental footprint associated with conventional agricultural practices. The study underscores the importance of carefully selecting bacterial species with complementary functions to maximize the effectiveness of biofertilization strategies.