Dynamic interactions between soil animals and microorganisms in upland grassland soils amended with sheep dung: a microcosm experiment

Bardgett, Richard D.; Keiller, S.; Cook, R.; Gilburn, Andre S.

doi:10.1016/s0038-0717(97)00146-6

Cited by 115 publications

(67 citation statements)

References 30 publications

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“…The manure application enriches the soil not only with many organic substances but also with numerous forms of microorganisms enhancing and intensifying the biological activity of soil. This conclusion is in agreement with a range of reports on the impact of organic fertilisers and animal excreta on grassland resulting either from direct application or from gazing (Lovell and Jarvis 1996, Bardgett et al 1998, Bittman et al 2005.…”

Section: Resultssupporting

confidence: 92%

Effects of organic and mineral fertilisers on biological properties of soil under seminatural grassland

Ondrášek¹,

Čunderlík²

2008

PLANT SOIL ENVIRON

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Over 2004Over -2006, effects of mineral fertilisers (60 N + 30 P + 60 K kg/ha or 120 N + 30 P + 60 K kg/ha) and farmyard manure (12 or 24 t/ha) application on biological and chemical properties of soil were studied in seminatural grassland. The research trial was established at Radvaň site, central Slovakia (altitude 480 m, loamy to sandy-loamy Cambisol). These parameters were investigated during the growing seasons: CO 2 production, intensity of total N mineralisation (TMN), the rate of nitrification (NIT), total C content in microbial biomass (MB-C), C ox , N t , P, K, Mg and the humic acids to fulvic acids ratio (HA:FA). At the application of mineral fertilisers, the highest N rate significantly increased TMN and NIT, mainly in 2004 and 2005. The manure application showed the strongest effects on the biological parameters. The manure rate of 12 t/ha significantly increased the soil respiration in 2005 and 2006 as well as TMN and NIT throughout the research. The manure application increased also the soil pH, MB-C, N t , Mg, P and C ox .

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Section: Resultssupporting

confidence: 92%

Effects of organic and mineral fertilisers on biological properties of soil under seminatural grassland

Ondrášek¹,

Čunderlík²

2008

PLANT SOIL ENVIRON

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“…Furthermore, the interaction between Andropogon straw and soil fauna has led to decreased soil carbon. We suggest that stimulation of microbial activity by soil fauna as demonstrated by Brussaard and Juma (1996) and Bardgett et al (1998) will enhance priming effect on SOC, which will be higher, the lower the quality of the organic amendment because of N unavailability. Indeed, Brussaard and Juma (1996) indicated that soil fauna contribution to soil carbon build-up relies on its role in stimulating microbial activity, inoculation of microbes to organic substrates in the litter or in the animal gut.…”

Section: Discussionmentioning

confidence: 74%

“…Indeed, Brussaard and Juma (1996) indicated that soil fauna contribution to soil carbon build-up relies on its role in stimulating microbial activity, inoculation of microbes to organic substrates in the litter or in the animal gut. Furthermore, Bardgett et al (1998) demonstrated that the presence of soil fauna significantly increased soil microbial biomass in a microcosm experiment. Field experiment indicated that the presence of soil fauna may increase soil microbial biomass by 62% (Bardgett and Chan 1999).…”

Section: Discussionmentioning

confidence: 95%

Soil fauna and organic amendment interactions affect soil carbon and crop performance in semi-arid West Africa

2007

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“…However, such positive feedbacks principally occur in grasslands of high soil fertility where herbivory prevents colonisation by the successional plants, which produce litter of low nutrient quality. Return of consumed plant matter through ungulate and invertebrate excreta also reduces the time lag involved in litter decomposition by providing labile nutrients capable of enhancing microbial biomass and activity (Bardgett et al 1998). In such an agroecosystem context, grazing management, however, has often been overlooked as a factor capable of influencing feedback between the aboveground and below-ground communities.…”

Section: Introductionmentioning

confidence: 99%

Populations of soil organisms under continuous set stocked and high intensity‐short duration rotational grazing practices in the central tablelands of New South Wales (Australia)

Tom

Raman²,

Hodgkins

et al. 2006

New Zealand Journal of Agricultural Research

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Grazing management practices modify soil structure, which, in turn, alters the behaviour and population dynamics of soil-inhabiting organisms. Monitoring of changes in abundance and richness of soil organisms is vital in determining the sustainability of grazing regimes. In this paper, populations of soil organisms were compared-using abundance and population trends as an indicator of diversity-in two different grazing practices (a) conventional, set stocked (SS) grazing regime and (b) high intensity-short duration (HI-SD) grazing regime) and an ungrazed control (C). A thorough sampling of earthworms and arthropods, and an assay of soil microbial biomass and respiration was made in Spring 2004 (September-November), after a pilot sampling of earthworms and arthropods in Autumn 2004 (March-May). Earthworm numbers were found to be unaffected by grazing regimes, however, microarthropod abundance at 0-10 cm soil depth was significantly higher in soil of the HI-SD grazing regime and in the ungrazed control, when compared with set stocking. Microbial biomass and respiration did not differ across treatments. A05056; Online publication date 10 July 2006 Received 3 November 2005; accepted 5 May 2006Overall, our results indicate that arthropod abundance reflects the changes impacting on soil structure as a consequence of grazing practice. Evaluation of earthworm populations was not found to be useful in discriminating between the two grazing regimes, because the earthworm numbers were principally affected by rainfall.

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Dynamic interactions between soil animals and microorganisms in upland grassland soils amended with sheep dung: a microcosm experiment

Cited by 115 publications

References 30 publications

Effects of organic and mineral fertilisers on biological properties of soil under seminatural grassland

Effects of organic and mineral fertilisers on biological properties of soil under seminatural grassland

Soil fauna and organic amendment interactions affect soil carbon and crop performance in semi-arid West Africa

Populations of soil organisms under continuous set stocked and high intensity‐short duration rotational grazing practices in the central tablelands of New South Wales (Australia)

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