Effects of different types of microbial inoculants on available nitrogen and phosphorus, soil microbial community, and wheat growth in high-P soil

Chen, Yihui; Li, Shuangshuang; Liu, Na; He, Huan; Cao, Xueying; Lv, Can; Zhang, Ke; Dai, Jing

doi:10.1007/s11356-020-12203-y

Cited by 41 publications

(19 citation statements)

References 68 publications

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“…They are known under terms such as biocontrol agents (BCAs), and are referred to as agriculturally beneficial microorganisms, e.g., arbuscular mycorrhizal fungi (AMFs), which are sometimes referred to as, among others, plant growth-promoting rhizobacteria, plant growth-promoting fungi (PGPFs), and plant growth-promoting bacteria (PGPBs). A lot of research in the field of applying microbial inoculants to different planted crops has been conducted by scientists and is still ongoing (Igiehon et al, 2019;Chaudhary et al, 2021;Chen et al, 2021). These beneficial species help to control or suppress plant diseases caused by pathogenic bacteria and fungi through different antagonistic mechanisms in that they produce antifungal and antibacterial compounds or feed as parasites on them (El-Sharkawy et al, 2018).…”

Section: Looking Ahead Beyond the Constraints For Cowpea Productivity Enhancement With Sustainable Bioinoculants And Smart Biotechnologicmentioning

confidence: 99%

Constraints and Prospects of Improving Cowpea Productivity to Ensure Food, Nutritional Security and Environmental Sustainability

Omomowo

Babalola

2021

Front. Plant Sci.

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Providing safe and secure food for an increasing number of people globally is challenging. Coping with such a human population by merely applying the conventional agricultural production system has not proved to be agro-ecologically friendly; nor is it sustainable. Cowpea (Vigna unguiculata (L) Walp) is a multi-purpose legume. It consists of high-quality protein for human consumption, and it is rich in protein for livestock fodder. It enriches the soil in that it recycles nutrients through the fixation of nitrogen in association with nodulating bacteria. However, the productivity of this multi-functional, indigenous legume that is of great value to African smallholder farmers and the rural populace, and also to urban consumers and entrepreneurs, is limited. Because cowpea is of strategic importance in Africa, there is a need to improve on its productivity. Such endeavors in Africa are wrought with challenges that include drought, salinity, the excessive demand among farmers for synthetic chemicals, the repercussions of climate change, declining soil nutrients, microbial infestations, pest issues, and so forth. Nevertheless, giant strides have already been made and there have already been improvements in adopting sustainable and smart biotechnological approaches that are favorably influencing the production costs of cowpea and its availability. As such, the prospects for a leap in cowpea productivity in Africa and in the enhancement of its genetic gain are good. Potential and viable means for overcoming some of the above-mentioned production constraints would be to focus on the key cowpea producer nations in Africa and to encourage them to embrace biotechnological techniques in an integrated approach to enhance for sustainable productivity. This review highlights the spectrum of constraints that limit the cowpea yield, but looks ahead of the constraints and seeks a way forward to improve cowpea productivity in Africa. More importantly, this review investigates applications and insights concerning mechanisms of action for implementing eco-friendly biotechnological techniques, such as the deployment of bio inoculants, applying climate-smart agricultural (CSA) practices, agricultural conservation techniques, and multi-omics smart technology in the spheres of genomics, transcriptomics, proteomics, and metabolomics, for improving cowpea yields and productivity to achieve sustainable agro-ecosystems, and ensuring their stability.

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Section: Looking Ahead Beyond the Constraints For Cowpea Productivity Enhancement With Sustainable Bioinoculants And Smart Biotechnologicmentioning

confidence: 99%

Constraints and Prospects of Improving Cowpea Productivity to Ensure Food, Nutritional Security and Environmental Sustainability

Omomowo

Babalola

2021

Front. Plant Sci.

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“…It could be attributed to the nitrogen fixation by Bacillus stains. Chen et al [52] found that the application of microbial inoculant such as B. subtilis significantly increased the soil AN and increased the production. A previous study by Azri et al [53] found that the positive effects of Bacillus on soil N absorption could be due to its N-fixing ability, and enhancement of the N level in soil and nutrient uptake was also recorded in Bacillus stains inoculation.…”

Section: Discussionmentioning

confidence: 99%

Bacillus Co-Inoculation Alleviated Salt Stress in Seedlings Cucumber

Lin

Gong

et al. 2021

Agronomy

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Soil salinity has become a serious threat to crop growth and productivity and has aggravated the gap between sustainable food supply and population growth. Application of plant growth-promoting rhizobacteria (PGPR) has emerged as a novel way of alleviating the harmful effects of salt stress and improving soil nutrients. The aim of this study was to study the effects of exposure cucumber seedlings at one co-inoculation of Bacillus licheniformis and B. subtilis, a mitigation of salt stress in cucumber seedlings. In this study, we isolated salt tolerant (NX-3 and NX-4) and growth-promoting (NX-48, NX-59, and NX-62) bacteria from the rhizosphere of cucumber. NX-3 and NX-59 were identified as B. licheniformis, and NX-4, NX-48 and NX-62 were identified as B. subtilis. Under salt stress, relative to non-inoculation, co-inoculation with B. licheniformis and B. subtilis increased stem diameter and plant fresh weight. Moreover, the concentration of substrate available phosphorus increased (except for NX4-59). The catalase and sucrase activities of NX4-62 were the highest. Meanwhile, NX3-62 and NX3-59 had the highest phosphorus content and NX3-59 had the highest urease activities. Comprehensive analysis indicated that NX4-62 and NX3-59 showed the best effect on promoting cucumber seedlings growth, activating substrate nutrients, and alleviate salt stress in seedlings of cucumber.

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“…A result obtained from short‐term study (from September 2018 to June 2019) showed that soil inoculated with microbial inoculant containing B. subtilis and P. polymyxa exhibited increased relative abundance of Acidobacteria, Actinobacteria and Chloroflexi, with a simultaneous decrease in Bacteroidetes, as compared to non‐inoculated control. In the same study, the Chao1 index of bacterial diversity was significantly higher in soil amended with B. subtilis and B. cereus than in control soil (Chen et al, 2021). In long term study (2012–2016) it was reported that inoculation with Burkholderia cepacia ISOP5 increased the relative abundance of genes involved in P‐solubilization and mineralization such as phoN (acid phosphatase), phnA (phosphonoacetate hydrolase), and phnFGHIJKLMNOP (the C‐P lyase subunit).…”

Section: Introductionmentioning

confidence: 88%

“…It was reported that application of biofertilizers based on P‐solubilizing microorganisms provides benefits including increase highly assimilable P compounds content (Alori et al, 2017), improve plant (e.g. maize) growth parameters (Zhao et al, 2014), enhance acid phosphatase activity (Heidari et al, 2019), boost nutrient (N, P, K, Mg, Fe) uptake (Chen et al, 2021), suppress phytopathogens (Mitra et al, 2020), and increase bacterial richness and diversity in the rhizosphere (Wang, Liu, et al, 2021). The phosphorus biofertilizer used in this study was enriched with the following beneficial bacterial strains: Paenibacillus polymyxa (CHT114AB), Bacillus amyloliquefaciens (AF75BB), and Bacillus sp.…”

Section: Introductionmentioning

confidence: 99%

Composition, activity and diversity of bacterial and fungal communities responses to inputs of phosphorus fertilizer enriched with beneficial microbes in degraded Brunic Arenosol

et al. 2022

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Anthropogenic-induced deterioration of soil health remains a global problem, resulting in a diminished productivity of agroecosystems. In order to improve soil quality, we investigated the impact of phosphorus biofertilizer on the microbiological parameters of soil (type Brunic Arenosol) degraded as a result of inappropriate cultivation and fertilization, characterized by low pH and decrease in K and Mg content.

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Effects of different types of microbial inoculants on available nitrogen and phosphorus, soil microbial community, and wheat growth in high-P soil

Cited by 41 publications

References 68 publications

Constraints and Prospects of Improving Cowpea Productivity to Ensure Food, Nutritional Security and Environmental Sustainability

Constraints and Prospects of Improving Cowpea Productivity to Ensure Food, Nutritional Security and Environmental Sustainability

Bacillus Co-Inoculation Alleviated Salt Stress in Seedlings Cucumber

Composition, activity and diversity of bacterial and fungal communities responses to inputs of phosphorus fertilizer enriched with beneficial microbes in degraded Brunic Arenosol

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