“Beyond the Source of Bioenergy”: Microalgae in Modern Agriculture as a Biostimulant, Biofertilizer, and Anti-Abiotic Stress

Microalgae are photoautotrophic organisms with high commercial potential. Extracts from microalgae are extensively used in crop cultivation, mainly because they possess growth-promoting properties, coupled with their enhancing impacts on the crop’s ability to withstand abiotic stresses viz. extreme...

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Bibliographic Details
Published in:Agronomy (Basel) 2021-08, Vol.11 (8), p.1610
Main Authors: Bello, Adewale Suraj, Saadaoui, Imen, Ben-Hamadou, Radhouane
Format: Article
Language:English
Subjects:
abiotic stress
Abscisic acid
Algae
Aquatic ecosystems
Aquatic microorganisms
Auxins
Bioactive compounds
Biodiesel fuels
biofertilizer
Biofertilizers
Biofuels
Biomass
biostimulant
Brackish water
Carbohydrates
Carbon
Chemical composition
Chemical compounds
Crop production
Crops
Cultivation
Cytokinins
Drought
extraction techniques
Fertilizers
Food
Gibberellins
Lipids
Literature reviews
Microalgae
microalgae extract
Micronutrients
Microorganisms
Morphology
Open systems
Pharmaceuticals
Ponds
Productivity
Raw materials
Stresses
Vitamins
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Summary:Microalgae are photoautotrophic organisms with high commercial potential. Extracts from microalgae are extensively used in crop cultivation, mainly because they possess growth-promoting properties, coupled with their enhancing impacts on the crop’s ability to withstand abiotic stresses viz. extreme temperatures, drought, salinity, and mineral deficiency. The chemical composition of microalgae extract includes carbohydrates, proteins, lipids, vitamins, micronutrients, macronutrients, and phytohormones (auxins, cytokinins, ethylene, abscisic acid, and gibberellins). This review aims to provide an update on the trending facts for a better understanding of growing microalgae, the production of biomass, the processing of microalgae extracts, summarizing bioactive compounds, and the chemical constituent of microalgae extracts. Furthermore, we review the supporting literature on the application of microalgae extracts as biostimulants and biofertilizers to enhance crop productivity and control abiotic stresses in crop cultivation.
ISSN:2073-4395
2073-4395
DOI:10.3390/agronomy11081610