Soil acid and alkaline phosphatase activity as pH adjustment indicators

Dick, Warren A.; Li, Cheng; Wang, Pengwei

doi:10.1016/s0038-0717(00)00166-8

Cited by 450 publications

(241 citation statements)

References 4 publications

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“…The value of AlP/AcP of the soil profiles investigated falls within the range 0.33-1.50. In most cases, the values exceed 0.50, which in the case of the soil analysed was confirmed with the potentiometer method of pH KCl measurement, which is connected with the fact that phosphomonoesterases are the enzymes that are one of the most sensitive to pH changes (Dick et al 2000;Dodor and Tabatabai 2003;Krzy_ zaniak and Lemanowicz 2013;Bartkowiak and Lemanowicz 2014). The time index (TI) shows changes in the content of nutrients as well as the activity of phosphatases in soil from spring to autumn (Table 6).…”

Section: Resultsmentioning

confidence: 67%

“…With the alkaline and acid phosphatase activity results, there was calculated the Enzymatic Index of Soil pH (AlP/ AcP) (Dick et al 2000). Those authors show that when the value of the ratio AlP/AcP is higher than 0.50, one can refer to neutral or alkaline soil reaction.…”

Section: Resultsmentioning

confidence: 99%

“…Based on the present results of the activity of alkaline and acid phosphatases, the enzymatic index of soil pH (AlP/ AcP) was calculated (Dick et al 2000).…”

Section: Discussionmentioning

confidence: 99%

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Vertical distribution of phosphorus concentrations, phosphatase activity and further soil chemical properties in salt-affected Mollic Gleysols in Poland

Lemanowicz

Krzyżaniak

2015

Environ Earth Sci

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The paper demonstrates distribution of the content of total and available phosphorus and activity of the alkaline and acid phosphatase against the selected properties of salt-affected Mollic Gleysols. In the adequately prepared soil, the following were determined: pH, total organic carbon, the exchangeable cations (Ca, Mg, Na, K), salinity, the content of phosphorus, the activity of phosphomonoesterases. The distribution of the elements in the soil profiles was described with the value of the Distribution Index. To evaluate the availability of phosphorus, the Index of Mobility was used. The content of phosphorus varies, and it depends on physicochemical soil properties. Both the content of phosphorus available to plants and the activity of phosphatases in the profiles showed a high variation that depends both on the sampling date and on the depth. The lowest content of phosphorus was found in the profiles sampled in spring, during an intensive plant growth, while the greatest content was received in soil profiles sampled in summer. The research showed also a high variation in the time of the activity of phosphatases as well as their changes depending on the soil parameters, which was confirmed by the recorded values of the correlations between the activity of alkaline and acid phosphomonoesterases and the content of carbon, respectively, (r = 0.47, P \ 0.05) and (r = 0.62, P \ 0.05) as well as available phosphorus (r = 0.32, P \ 0.05) and (r = 0.38, P \ 0.05). A many-year seasonal salinity of soil did not decrease the activity of the phosphomonoesterases since it was mostly connected with the natural content of organic carbon.

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Section: Resultsmentioning

confidence: 67%

Section: Resultsmentioning

confidence: 99%

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Vertical distribution of phosphorus concentrations, phosphatase activity and further soil chemical properties in salt-affected Mollic Gleysols in Poland

Lemanowicz

Krzyżaniak

2015

Environ Earth Sci

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“…Soil pH value was measured using a glass electrode and a soil to water ratio of 1:2.5 (Dick et al 2000). EC of soil was measured with a conductivity meter (Model DDS-11A; Leizi, Shanghai, China).…”

Section: Soil Chemical Biological and Biochemical Analysismentioning

confidence: 99%

Interactions between arbuscular mycorrhizal fungi and phosphate-solubilizing fungus (Mortierella sp.) and their effects on Kostelelzkya virginica growth and enzyme activities of rhizosphere and bulk soils at different salinities

et al. 2011

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“…Apart from being good indicators of soil fertility, phosphatase also plays a key role in the maintenance of soil system (Eivazi and Tabatabai 1977;Dick et al 2000). The assay performed on ALP and ACP activities of soil with the application of m-AgNPs are depicted in Fig.…”

Section: Phosphatasesmentioning

confidence: 99%

Evaluation of the effect of indigenous mycogenic silver nanoparticles on soil exo-enzymes in barite mine contaminated soils

2014

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The biosynthesis of nanoparticles has received increasing attention due to the growing need to develop safe, cost-effective and environmentally friendly technologies for nanoscale materials synthesis. In this report, silver nanoparticles (AgNPs) were synthesized by treating aqueous Ag ? ions with the culture supernatants of indigenous fungal species of Fusarium solani isolated from barite mine contaminated soils. The formation of AgNPs might be an enzyme-mediated extracellular reaction process. The localized surface plasmon resonance of the formed AgNPs was recorded using UV-VIS spectrophotometer and was characterized using the techniques transmission electron microscopy, particle size analyzer, Fourier transform-infrared spectroscopy (FT-IR), particle size (dynamic light scattering) and zeta potential. The synthesized AgNPs were stable, polydispersed with the average size of 80 nm. FT-IR spectra reveals that proteins and carboxylic groups present in the fungal secrets might be responsible for the reduction and stabilization of the silver ions. Applied to the barite mine contaminated soils, concentration of AgNPs and incubation period significantly influences the soil exo-enzymatic activities, viz., urease, phosphatase, dehydrogenase and b-glucosidase. To the best of our knowledge, this is the first report on this kind of work in barite mine contaminated soils.

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Soil acid and alkaline phosphatase activity as pH adjustment indicators

Cited by 450 publications

References 4 publications

Vertical distribution of phosphorus concentrations, phosphatase activity and further soil chemical properties in salt-affected Mollic Gleysols in Poland

Vertical distribution of phosphorus concentrations, phosphatase activity and further soil chemical properties in salt-affected Mollic Gleysols in Poland

Interactions between arbuscular mycorrhizal fungi and phosphate-solubilizing fungus (Mortierella sp.) and their effects on Kostelelzkya virginica growth and enzyme activities of rhizosphere and bulk soils at different salinities

Evaluation of the effect of indigenous mycogenic silver nanoparticles on soil exo-enzymes in barite mine contaminated soils

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