Improvement of Crop Protection and Yield in Hostile Agroecological Conditions with PGPR-Based Biofertilizer Formulations
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Intensive research attempts are underway to mitigate the impacts of climate change, improve salt tolerance and disease resistance of plants using organic farming practices, including biofertilizer which eventually improve degraded soils. In addition, it will form part of integrated environmentally friendly approach for nutrient management and sustainability in ecosystem functions. The use of such microbial inoculants as biofertilizers or biopesticides portends a great promise for controlling disease, improving plant health and soil productivity under environmentally stressed conditions. Stress-tolerant microorganisms with plant-stimulating properties are being discovered, selected and tested under field conditions and the number of successful applications is increasing. Formulation of microorganisms with various carrier materials enables long-term storage and protects them from various stress factors. This review summarizes the current status of microbial inoculants usage and prospects in crop cultivation and crop stress management, with particular attention to arid stress agro-ecological conditions.