Sustaining Rice Production through Biofertilization with N2-Fixing Cyanobacteria
|Iniesta Pallarés, Macarena
Álvarez Núñez, Consolación
Gordillo Cantón, Francisco M.
Ramírez Moncayo, Carmen
Alves Martínez, Pilar
Molina Heredia, Fernando Publio
|Universidad de Sevilla. Departamento de Bioquímica Vegetal y Biología Molecular
|Current agricultural productivity depends on an exogenous nutrient supply to crops. This is of special relevance in cereal production, a fundamental part of the trophic chain that plays a vital role in the human diet. ...
Current agricultural productivity depends on an exogenous nutrient supply to crops. This is of special relevance in cereal production, a fundamental part of the trophic chain that plays a vital role in the human diet. However, our agricultural practices entail highly detrimental side-effects from an environmental point of view. Long-term nitrogen fertilization in croplands results in degradation of soil, water, and air quality, producing eutrophication and subsequently contributing to global warming. In accordance with this, there is a biotechnological interest in using nitrogen-fixing microorganisms to enhance crop growth without adding chemically synthesized nitrogen fertilizers. This is particularly beneficial in paddy fields, where about 60% of the synthetic fertilizer that has been applied is dissolved in the water and washed away. In these agricultural systems, N2-fixing cyanobacteria show a promising biotechnological potential as biofertilizers, improving soil fertility while reducing the environmental impact of the agricultural practice. In the current study, Andalusian paddy fields have been explored to isolate N2-fixing cyanobacteria. These endogenous microorganisms have been subsequently re-introduced in a field trial in order to enhance rice production. Our results provide valuable insights regarding the use of an alternative natural source of nitrogen for rice production.
|Corporación Tecnológica de Andalucía (CTA). España
Universidad de Sevilla
|Iniesta Pallarés, M., Álvarez Núñez, C., Gordillo Cantón, F.M., Ramírez Moncayo, C., Alves Martínez, P., Molina Heredia, F.P. y Mariscal, V. (2021). Sustaining Rice Production through Biofertilization with N2-Fixing Cyanobacteria. Applied Sciences, 11 (10), 4628.