The biological activities of &amp;#946;-glucosidase, phosphatase and urease as soil quality indicators: a review

Adetunji, Adewole Tomiwa; Lewu, Francis B.; Mulidzi, A.R.; Ncube, Bongani

doi:10.4067/s0718-95162017000300018

Cited by 344 publications

(227 citation statements)

References 52 publications

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“…Analysis of physicochemical properties of soils/substrates has commonly been used to measure their production potential. However, when working with microorganisms, such as bio-fertilisers, it is necessary to analyse the activity of soil-substrate enzymes since they are direct indicators of the quality of organic material [6]. Enzymatic activity is also considered indicative of changes in soil quality that occur as a result of management practices and the biotic and abiotic factors to which it is subjected and is used to monitor microbial activity [7].…”

Section: Introductionmentioning

confidence: 99%

“…There are different enzymes in the soil, and each catalyses a specific reaction so that the analysis of a single enzyme can be inaccurate [10]. Enzymes involved in the transformation of organic materials are divided into hydrolases and oxidases and are the most studied when assessing soil quality [6]. Among the most common enzymes used to characterise microbial activity are dehydrogenase, amidase, protease, cellulase, glucosidase, urease and phosphatase [6].…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of Organic Substrates and Microorganisms as Bio-Fertilisation Tool in Container Crop Production

Ruiz

Salas

2019

Agronomy

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Microorganisms are only effective when adequate conditions for their survival and development are provided. Among the factors that influence its effectiveness includes the type of soil or culture substrate, which works as an energy source reserve. Therefore, a tomato and a melon crop were established in different cycles to assess the effect of the physicochemical properties of organic substrates based on coconut fibre and vermicompost in three proportions, 0:100, 40:60 and 60:40 (% v:v), on the microbial activity in the rhizosphere when the bacteria Azotobacter vinelandii, Bacillus megaterium and Frateuria aurantia were applied. Concentrations of NO3−, H2PO4−, K+ and Ca2+ in the petiole cellular extract (PCE) were quantified at 60, 90 and 120 days after transplantation (DAT) for tomato and 45 and 65 DAT for melon. We analysed dehydrogenase activity (DHA), acid phosphatase activity (FTA) and β-glucosidase activity (β-GLU). In order to maintain optimal volumetric moisture for the survival of microorganisms, automatic control was used to manage the irrigation frequency between 22%–28%. The results showed that physicochemical substrate properties, by incorporating 40% vermicompost into the coconut fibre mixture, increased enzymatic activity. Plants that were inoculated with Azotobacter vinelandii and Frateuria aurantia showed an improvement in NO3− and K+ assimilation achieving highest yields.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Evaluation of Organic Substrates and Microorganisms as Bio-Fertilisation Tool in Container Crop Production

Ruiz

Salas

2019

Agronomy

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“…Urease enzyme activity is highly sensitive toward the salinity of soil. Its activity decreases with an increase in the salt concentration of the soil (Adetunji et al 2017). This might be the reason why the soil urease enzyme activity in the present study was significantly higher in the up stream where the river water is least polluted (Fig.…”

Section: Enzyme Activity Assaysmentioning

confidence: 99%

Impact of heavy metal contamination and seasonal variations on enzyme’s activity of Yamuna river soil in Delhi and NCR

Sharma

Singh

2020

Appl Water Sci

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Yamuna river is one of the most important rivers of India and is highly polluted. The river water and the adjacent soil are contaminated with various pollutants including heavy metals. Soil enzymes play important role in various bio-geochemical cycles and help in maintaining nutrient availability of soil. They are very sensitive toward changing environment and therefore act as a key indicator of soil health. In the present study, effects of seasonal variations and heavy metals contamination in Yamuna river water were observed on physicochemical properties and enzyme activities of soil. Soil samples were collected from ten different locations, along the course of the Yamuna river in Delhi-NCR, in three different seasons, i.e., summer, rainy and winter. These sampling sites were divided into three segments, up, middle and lower streams. The concentrations of heavy metals were found to be higher than their safe limit at all the ten sampling points. The total organic carbon content and soil respiration was significantly higher in lower stream. Dehydrogenase enzyme activity was higher in winter season, while urease and arginine deaminase enzyme activity was higher in summer season. Dehydrogenase, arginine deaminase and nitrate reductase enzyme activities were higher in lower streams, while urease enzyme shows maximum activity in the up stream. Thus, we conclude that the continuous application of Yamuna water for irrigation may degrade the soil quality.

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“…They mainly come from the decay of microorganisms, plants, and an-imals in the soil. It has been proved that soil enzymes are involved in many soil reactions, such as organic matter decomposition, carbohydrate transformation, and nutrient cycling (Adetunji et al, 2017). Therefore, these enzymes in soil could affect the growth of plants by changing soil chemical status.…”

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confidence: 99%

Effects of Soil Microbiomes and Enzymatic Activities on Glechoma longituba

Liu¹,

Lin²,

Q³

2020

horts

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Soil microbes and enzymes play important roles in plant growth and metabolism. However, for Glechoma longituba (Nakai) Kupr., an important crop with edible and medicinal uses in China, their effects are not well elucidated. To explore their impacts on plant morphology and bioactive compounds, the plant samples and rhizosphere soil of five different G. longituba populations were collected and investigated in this study. After high-throughput sequencing combined with data analyses, high microbial diversity and richness in the rhizosphere soil of each G. longituba population were observed, and the variations on bacterial and fungal community compositions among these soil samples were also proved. The activities of urease, neutral phosphatase, sucrase, protease, and polyphenol oxidase were significantly different among the rhizosphere soils from different G. longituba populations. Among the major microbial communities and soil enzymes we studied, the genera of Tomentella, Sebacina, Fusarium, Nitrospira, and the activity of soil sucrase were remarkably correlative with both the morphological indices and the contents of bioactive compounds of G. longituba by redundancy analysis. These findings would help guide the scientific plantation of G. longituba to promote its medicinal quality.

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The biological activities of β-glucosidase, phosphatase and urease as soil quality indicators: a review

Cited by 344 publications

References 52 publications

Evaluation of Organic Substrates and Microorganisms as Bio-Fertilisation Tool in Container Crop Production

Evaluation of Organic Substrates and Microorganisms as Bio-Fertilisation Tool in Container Crop Production

Impact of heavy metal contamination and seasonal variations on enzyme’s activity of Yamuna river soil in Delhi and NCR

Effects of Soil Microbiomes and Enzymatic Activities on Glechoma longituba

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