Applicability of arginine ammonification as indicator of microbial activity in different soils

Alef, Kassem; Kleiner, Diethelm

doi:10.1007/bf00257650

Cited by 87 publications

(40 citation statements)

References 10 publications

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“…ADA was determined using the method described by Alef and Kleiner (1987). 1.25 ml of arginine solution (0.2% w/v) (sample) or deionised water (blank control) was added to 5 g of soil after preincubation (15min, 30°C).…”

Section: Soil Sampling and Analysesmentioning

confidence: 99%

Effects of past and current crop management on soil microbial biomass and activity

et al. 2006

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As soil biota is influenced by a number of factors, including land use and management techniques, changing management practices could have significant effects on the soil microbial properties and processes. An experiment was conducted to investigate differences in soil microbiological properties caused by long-and short-term management practices. Intact monolith lysimeters (0.2 m 2 surface area) were taken from two sites of the same soil type that had been under long-term organic or conventional crop management and were then subjected to the same 2½-year crop rotation (winter barley (Hordeum vulgare L.), maize (Zea mais L.), lupin (Lupinus angustifolius L.) rape (Brassica napus L. ssp. oleifera)) and two fertiliser regimes (following common organic and conventional practices). Soil samples were taken after crop harvest and analysed for microbial biomass C and N, microbial activity (fluorescein diacetate hydrolysis, arginine deaminase activity, dehydrogenase activity) and total C and N. The incorporation of the green manure stimulated growth and activity of the microbial communities in soils of both management histories. Soil microbial properties did not show any differences between organically and conventionally fertilised soils, indicating that crop rotation and plant type had a larger influence on the microbial biomass and enzyme activities than fertilisation. Initial differences in microbial biomass declined, while the effects of farm management history were still evident in enzyme activities and total C and N. Links between enzyme activities and microbial biomass C varied depending on treatment indicating differences in microbial community composition.

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Section: Soil Sampling and Analysesmentioning

confidence: 99%

Effects of past and current crop management on soil microbial biomass and activity

et al. 2006

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“…The data showed that significant decreases in SQI's (SQI T = Soil quality index based on all soil properties, SQI 7 = Soil quality index based on all soil properties except enzymes, SQI 3 = Soil quality index based on C TMB , C AMB and BR, SQI (3) = Soil quality index based on qR's, SQI 2 = Soil quality index based on enzymes, SQI 1 = Soil quality index based on C TMB , SQI (1) = Soil quality index based on C AMB ) of all damaged sites in comparison with healthy soils. The SQI 3 , SQI 1 , SQI (1) indicated that less quality soils of damaged sites than other calculated indices (SQI T , SQI 7 , SQI (3) , SQI 2 ). No significant differences between soil quality indices of damaged sites (SQI 7 , SQI 3 , SQI (3) , SQI (1) ).…”

Section: Resultsmentioning

confidence: 82%

“…The SQI 3 , SQI 1 , SQI (1) indicated that less quality soils of damaged sites than other calculated indices (SQI T , SQI 7 , SQI (3) , SQI 2 ). No significant differences between soil quality indices of damaged sites (SQI 7 , SQI 3 , SQI (3) , SQI (1) ). The calculated SQI based on C TMB and C AMB was the best indictor for soil quality status at Al-Jubail Area.…”

Section: Resultsmentioning

confidence: 82%

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Soil Quality of Die off and Die Back Mangrove Grown at Al-Jubail Area (Saudi Arabia) of the Arabian Gulf

Ali¹,

Alfarhan²,

Robinson³

et al. 2009

American J. of Applied Sciences

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Abstract:The declining mangrove vegetation along the Arabian Gulf coast necessitates a thorough study for finding out the soil status and for rehabilitating the affected population. In this study, soil supporting die back/die off mangrove plants at Al-Jubail area was studied. Field experiments were also conducted to determine the success/failure ratio of the germinated seeds in both healthy and damaged soils. Obtained results showed that high damage was in the soil of sand mound sites because only 19 % of mangrove fresh seeds could germinate in this site, while low damage was recorded in the soil of inter-tidal sites where germination rate was about 32%. High decrease in C TMB was noticed at the intertidal sites compared to other damaged sites, while no significant differences were noticed between all damaged sites in C AMB , BR and DEA. Compared to controlled conditions, values of all anions were significantly high at all studied sites. Values of all major and minor elements at all damaged sites were also significantly high compared to controlled conditions. This study concluded that soils with higher quality were degraded more rapidly, because they usually need more nutrient input to maintain their quality status than those with lower quality. These analyses show that it is of equal importance to improve soil quality in degraded locations and to sustain it in high-quality areas.

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“…Several studies have correlated arginine ammonification with both microbial activity (Alef and Kleiner, 1986) and microbial biomass (Alef and Kleiner, 1987;Lin and Brookes, 1999) Table 4.2.8),…”

Section: Físico----químicas Químicas Químicas Químicasmentioning

confidence: 99%

Caracterización y uso de compost de alperujo como enmienda orgánica. Evaluación agronómica y medioambiental

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Applicability of arginine ammonification as indicator of microbial activity in different soils

Cited by 87 publications

References 10 publications

Effects of past and current crop management on soil microbial biomass and activity

Effects of past and current crop management on soil microbial biomass and activity

Soil Quality of Die off and Die Back Mangrove Grown at Al-Jubail Area (Saudi Arabia) of the Arabian Gulf

Caracterización y uso de compost de alperujo como enmienda orgánica. Evaluación agronómica y medioambiental

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