Avery, B.W.: Soil Classification for England and Wales (Higher Categories). Soil Survey, Technical Monograph No. 14, Rothamsted Experimental Station, Harpenden/England 1980. Preis£ 1,—

Mückenhausen, E.

doi:10.1002/jpln.19811440221

Cited by 28 publications

(3 citation statements)

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“…Soils on all three fields are typical non-calcareous pelosol of the Halstow and Hallsworth series according to the British soil classification ( Mückenhausen, 1981 ), whereas FAO (2015) and USDA (1999) classification systems define them as Stagni-vertic cambisol and aeric haplaquept, respectively. Table 1 shows the soil physicochemical characteristic of the three fields.…”

Section: Methodsmentioning

confidence: 99%

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Elucidating three-way interactions between soil, pasture and animals that regulate nitrous oxide emissions from temperate grazing systems

McAuliffe

López-Aizpún

Blackwell

et al. 2020

Agriculture, Ecosystems & Environment

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Highlights Urinary nitrogen concentrations were lowest on animals consuming high sugar grasses. However, soil under high sugar grasses recorded the highest N 2 O emissions. Synthetic urine generated N 2 O emissions inconsistent with locally collected urine. Differences in emissions amongst systems were explained by gene abundance ratios. Results indicate the importance of soil-pasture-animal-microbiome interactions.

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Section: Methodsmentioning

confidence: 99%

“…Table 1 shows the soil physicochemical characteristic of the three fields. The climate in the region is temperate maritime ( Mückenhausen, 1981 ) typical of South West England. Rainfall is generally highest in December (130 mm) while temperature tends to peak in July (max.…”

Section: Methodsmentioning

confidence: 99%

Elucidating three-way interactions between soil, pasture and animals that regulate nitrous oxide emissions from temperate grazing systems

McAuliffe

López-Aizpún

Blackwell

et al. 2020

Agriculture, Ecosystems & Environment

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“…According to the Köppen classification system, the site experiences a marine west coast climatic condition, with the average annual temperature and total annual precipitation 8.6 °C and 638.6 mm respectively, with a maximum monthly temperature of 22 °C and a minimum of 0 °C (Supplementary Figure S1, average record between a weather station located ~5 miles away from the farm and by an on-site automated weather station). The soil in the experiment is classified predominantly as a uniform Dystric Stagnosol (WRB, 2015), slowly permeable, seasonally wet, acidic loamy and clayey soil that is naturally low in fertility (Farewell et al, 2011;Cranfield University, 2021); Cambic Stagnogley (Mückenhausen, 1981); Stagnic Cambisol (WRB, 2015). Analysis at the establishment of the experiment indicated an average SOC content of ~3%, pH of 6.3, p = 62.9 mg kg −1 , C/N = 8.6, and particle-size distribution with an average of 60.5, 22.5, and 17% of sand, silt and clay, respectively (sandy clay loam) (Cooper J. et al, 2011;Bilsborrow et al, 2013).…”

Section: Field Site Experimental Design and Treatmentsmentioning

confidence: 99%

Diversified crop rotations and organic amendments as strategies for increasing soil carbon storage and stabilisation in UK arable systems

Zani

Manning

Abbott

et al. 2023

Front. Environ. Sci.

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Adaptations in crop rotation with the inclusion of temporary grass-clover leys and organic amendments, have been promoted as effective ways to improve soil carbon (C) sequestration and mitigate climate change in agricultural systems. However, there are still a lot of uncertainties related to i) the combined effects of different crop rotations and different fertilisation sources, e.g., organic amendments, on soil C stocks; and ii) their potential effect on C stabilisation. The objective of this study was to evaluate the effect of different arable crop rotations with varying degrees of diversity in crop type and lengths of grass-clover ley periods and fertilisation sources on soil C stocks and C stabilisation down to 0.60 m soil depth. This was investigated in a long-term factorial field experiment-combining different crop rotation (cereal-intensive conventional vs. diversified legume-intensive organic) with different lengths of grass-clover ley periods (2 vs. 3 years), fertilisation sources (mineral vs. compost), and years (samples taken at the beginning and at the last year of one complete cycle of rotation; 8 years apart)-to explore their individual and interactive effect on soil C stock and C stabilisation at two soil depths (0–0.30 and 0.30–0.60 m). Soil C stabilisation was assessed using a unique combination of three different techniques: physical fractionation for separation of C associated to organic and mineral fractions, thermal analysis combined with differential scanning calorimetry and a quadrupole mass spectrometry (TG-DSC-QMS) for physical-chemical aspects, and pyrolysis coupled with gas chromatography-mass spectrometry (Py-GC/MS) for molecular structural information. The findings showed higher soil C stocks under the diversified organic rotation with 3 years of grass-clover ley period at both soil depths, regardless of the fertilisation source or sampling year. However, the organic rotation seemed to deliver stable soil C stocks only in the subsoil layer. Compost fertilisation, in turn, increased topsoil C stocks between the two sample dates under both rotations, and it appears to be stable. These results suggested that combining a diversified organic rotation with 3 years grass-clover ley with compost fertilisation could be one way for agricultural systems to deliver stable soil C sequestration.

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A finite difference method for measuring soil thermal diffusivity in situ

Coleman

1984

Num Anal Meth Geomechanics

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SUMMARYA method is devised for measuring soil thermal diffusivity in situ. It is based on direct experimental simulation of the finite difference approximation to the one-dimensional heat conduction equation.The method does not require the soil to be homogeneous except between the three thermometers that are used, at depths z + d, z and z -a! Nor need the energy input curve be sinusoidal. However, it must be fairly smooth for the finite difference approximation to be accurate. Experimental results for London Clay are presented, obtained using thermometers at depths of I, 6 and I I cm to give a mean thermal diffusivity of 0.0074 cmz/s at a depth of 6 cm. This value is consistent with other estimates of diffusivity for clay soils.The method is capable of automation, and should be suitable for use on engineering sites, at low cost. The method is capable of generalization to other linear diffusion equations containing one independent parameter. The same limitation also applies to its application to constitutive or geometrical non-linear one dimensional diffusion equations, and each equation requires individual study to assess feasibility of use of the method.The method in effect uses the usual finite difference approximation, not to prepare a numerical solution, but to design an experiment carried out essentially within the finite difference 'molecule'. The measured parameter of the diffusion equation is the usable product of the method.

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Avery, B.W.: Soil Classification for England and Wales (Higher Categories). Soil Survey, Technical Monograph No. 14, Rothamsted Experimental Station, Harpenden/England 1980. Preis£ 1,—

Cited by 28 publications

References 0 publications

Elucidating three-way interactions between soil, pasture and animals that regulate nitrous oxide emissions from temperate grazing systems

Elucidating three-way interactions between soil, pasture and animals that regulate nitrous oxide emissions from temperate grazing systems

Diversified crop rotations and organic amendments as strategies for increasing soil carbon storage and stabilisation in UK arable systems

A finite difference method for measuring soil thermal diffusivity in situ

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