Proteolytic Activity in Meadow Soil after the Application of Phytohormones

Holík, Ladislav; Vranová, Valerie

doi:10.3390/biom9090507

Cited by 3 publications

(1 citation statement)

References 31 publications

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“…The enhancement in soil enzymes such as protease, acid phosphomonoesterase, and alkaline phosphomonoesterase due to rhizobial inoculation has been observed by Fall et al 66 and Jabborova et al 67 . Nitrogen fixing symbionts, alone or in combination with other rhizobacteria have been reported to improve growth, nutrient uptake and root architecture in soybean as well as to improve the resistance in soybean and other plants 46,47,[68][69][70][71][72][73][74][75][76] .…”

Section: Discussionmentioning

confidence: 99%

Co-inoculation of rhizobacteria promotes growth, yield, and nutrient contents in soybean and improves soil enzymes and nutrients under drought conditions

Jabborova

Annapurna

Davranov

et al. 2021

Sci Rep

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Drought stress is the major abiotic factor limiting crop production. Co-inoculating crops with nitrogen fixing bacteria and plant growth-promoting rhizobacteria (PGPR) improves plant growth and increases drought tolerance in arid or semiarid areas. Soybean is a major source of high-quality protein and oil for humans. It is susceptible to drought stress conditions. The co-inoculation of drought-stressed soybean with nodulating rhizobia and root-colonizing, PGPR improves the root and the shoot growth, formation of nodules, and nitrogen fixation capacity in soybean. The present study was aimed to observe if the co-inoculation of soybean (Glycine max L. (Merr.) nodulating with Bradyrhizobium japonicum USDA110 and PGPR Pseudomonas putida NUU8 can enhance drought tolerance, nodulation, plant growth, and nutrient uptake under drought conditions. The results of the study showed that co-inoculation with B. japonicum USDA110 and P. putida NUU8 gave more benefits in nodulation and growth of soybean compared to plants inoculated with B. japonicum USDA110 alone and uninoculated control. Under drought conditions, co-inoculation of B. japonicum USDA 110 and P. putida NUU8 significantly enhanced the root length by 56%, shoot length by 33%, root dry weight by 47%, shoot dry weight by 48%, and nodule number 17% compared to the control under drought-stressed. Co-inoculation with B. japonicum, USDA 110 and P. putida NUU8 significantly enhanced plant and soil nutrients and soil enzymes compared to control under normal and drought stress conditions. The synergistic use of B. japonicum USDA110 and P. putida NUU8 improves plant growth and nodulation of soybean under drought stress conditions. The results suggested that these strains could be used to formulate a consortium of biofertilizers for sustainable production of soybean under drought-stressed field conditions.

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Section: Discussionmentioning

confidence: 99%

Co-inoculation of rhizobacteria promotes growth, yield, and nutrient contents in soybean and improves soil enzymes and nutrients under drought conditions

Jabborova

Annapurna

Davranov

et al. 2021

Sci Rep

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Co-Inoculation of Rhizobacteria and Biochar Application Improves Growth and Nutrientsin Soybean and Enriches Soil Nutrients and Enzymes

et al. 2020

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Gradual depletion in soil nutrients has affected soil fertility, soil nutrients, and the activities of soil enzymes. The applications of multifarious rhizobacteria can help to overcome these issues, however, the effect of co-inoculation of plant-growth promoting rhizobacteria (PGPR) and biochar on growth andnutrient levelsin soybean and on the level of soil nutrients and enzymes needs in-depth study. The present study aimed to evaluate the effect of co-inoculation of multifarious Bradyrhizobium japonicum USDA 110 and Pseudomonas putida TSAU1 and different levels (1 and 3%) of biochar on growth parameters and nutrient levelsin soybean and on the level of soil nutrients and enzymes. Effect of co-inoculation of rhizobacteria and biochar (1 and 3%) on the plant growth parameters and soil biochemicals were studied in pot assay experiments under greenhouse conditions. Both produced good amounts of indole-acetic acid; (22 and 16 µg mL−1), siderophores (79 and 87%SU), and phosphate solubilization (0.89 and 1.02 99 g mL−1). Co-inoculation of B. japonicum with P. putida and 3% biochar significantly improved the growth and nutrient content ofsoybean and the level of nutrients and enzymes in the soil, thus making the soil more fertile to support crop yield. The results of this research provide the basis of sustainable and chemical-free farming for improved yields and nutrients in soybean and improvement in soil biochemical properties.

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Soil Microorganisms: Their Role in Enhancing Crop Nutrition and Health

Chen,

Song,

et al. 2024

Diversity

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Maintaining soil health is fundamental to sustaining agricultural productivity, however, the intricate role of soil microbial diversity in this process is not fully understood. Current research acknowledges that soil microorganisms including bacteria, fungi, and archaea are pivotal in driving essential soil functions such as nutrient cycling, organic matter decomposition, and disease suppression. However, the impacts of global environmental changes and intensive agricultural practices on the diversity of these microorganisms remain a critical gap in the literature. This gap is significant because a decline in microbial diversity could severely compromise soil health, and consequently crop productivity. Here, we provide a comprehensive review of the factors influencing soil microbial diversity and examine their implications for crop performance. We assess both natural factors such as soil pH, moisture, temperature, and vegetation type as well as human-induced factors including tillage systems and fertilizer application. The review synthesizes recent findings on how these factors shape microbial communities and their functional roles in nutrient cycling, soil structure formation, and disease suppression. Our analysis highlights the mechanisms by which microbial diversity enhances plant growth and yield, addressing the gap in understanding the direct links between microbial diversity and agricultural outcomes. Our findings underscore the urgent need for sustainable agricultural practices that protect and enhance microbial diversity to safeguard long-term soil fertility and crop productivity. By addressing the challenges in manipulating soil microbial communities and integrating microbial ecology with crop management practices, this research advances our ability to sustain agricultural systems in the face of global environmental changes.

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Proteolytic Activity in Meadow Soil after the Application of Phytohormones

Cited by 3 publications

References 31 publications

Co-inoculation of rhizobacteria promotes growth, yield, and nutrient contents in soybean and improves soil enzymes and nutrients under drought conditions

Co-inoculation of rhizobacteria promotes growth, yield, and nutrient contents in soybean and improves soil enzymes and nutrients under drought conditions

Co-Inoculation of Rhizobacteria and Biochar Application Improves Growth and Nutrientsin Soybean and Enriches Soil Nutrients and Enzymes

Soil Microorganisms: Their Role in Enhancing Crop Nutrition and Health

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