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  1. Book ; Conference proceedings: Updating grassland fertiliser recommendations

    Newell-Price, J. P. / Lobley, Matt / Williams, J. R.

    principles and practice ; paper presesented to the International Fertiliser Society at a conference in Cambridge, UK, on 10th December 2015

    (Proceedings / International Fertiliser Society ; 789)

    2016  

    Author's details by J. P. Newell Price, M. Lobley and J. R. Williams
    Series title Proceedings / International Fertiliser Society ; 789
    Proceedings / the International Fertiliser Society
    Collection Proceedings / the International Fertiliser Society
    Keywords Nitrogen fertilizers ; Grasses/Fertilizers ; Plants/Effect of nitrogen on
    Subject code 633.20889
    Language English
    Size 28 S. : graph. Darst., 21 cm
    Publisher Internat. Fertiliser Society
    Publishing place Colchester
    Publishing country Great Britain
    Document type Book ; Conference proceedings
    Note Includes bibliographical references
    HBZ-ID HT019213095
    ISBN 978-0-85310-426-1 ; 0-85310-426-3
    Database Catalogue ZB MED Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

    Shelf markLoan statusLocation
    178/51 available for loan (reading room) Freihandmagazin (U1)

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  2. Article ; Online: Assessing the potential impacts of a revised set of on-farm nutrient and sediment 'basic' control measures for reducing agricultural diffuse pollution across England.

    Collins, A L / Newell Price, J P / Zhang, Y / Gooday, R / Naden, P S / Skirvin, D

    The Science of the total environment

    2017  Volume 621, Page(s) 1499–1511

    Abstract: The need for improved abatement of agricultural diffuse water pollution represents cause for concern throughout the world. A critical aspect in the design of on-farm intervention programmes concerns the potential technical cost-effectiveness of packages ... ...

    Abstract The need for improved abatement of agricultural diffuse water pollution represents cause for concern throughout the world. A critical aspect in the design of on-farm intervention programmes concerns the potential technical cost-effectiveness of packages of control measures. The European Union (EU) Water Framework Directive (WFD) calls for Programmes of Measures (PoMs) to protect freshwater environments and these comprise 'basic' (mandatory) and 'supplementary' (incentivised) options. Recent work has used measure review, elicitation of stakeholder attitudes and a process-based modelling framework to identify a new alternative set of 'basic' agricultural sector control measures for nutrient and sediment abatement across England. Following an initial scientific review of 708 measures, 90 were identified for further consideration at an industry workshop and 63 had industry support. Optimisation modelling was undertaken to identify a shortlist of measures using the Demonstration Test Catchments as sentinel agricultural landscapes. Optimisation selected 12 measures relevant to livestock or arable systems. Model simulations of 95% implementation of these 12 candidate 'basic' measures, in addition to business-as-usual, suggested reductions in the national agricultural nitrate load of 2.5%, whilst corresponding reductions in phosphorus and sediment were 11.9% and 5.6%, respectively. The total cost of applying the candidate 'basic' measures across the whole of England was estimated to be £450 million per annum, which is equivalent to £52 per hectare of agricultural land. This work contributed to a public consultation in 2016.
    Language English
    Publishing date 2017-10-18
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2017.10.078
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 949: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  3. Article: Visual soil evaluation in relation to measured soil physical properties in a survey of grassland soil compaction in England and Wales

    Newell-Price, J.P / B.J. Chambers / M.J. Whittingham / S. Peel

    Elsevier B.V. Soil & tillage research. 2013 Mar., v. 127

    2013  

    Abstract: Visual soil evaluation methods can provide a quick and easy, semi-quantitative approach to assessing the overall soil structural condition of a block of soil in three dimensions. To express this amount of information through other measures of soil ... ...

    Abstract Visual soil evaluation methods can provide a quick and easy, semi-quantitative approach to assessing the overall soil structural condition of a block of soil in three dimensions. To express this amount of information through other measures of soil physical condition (e.g. penetration resistance, bulk density or shear strength) requires a number of measurements at various depths and can be costly and time consuming. There is therefore a need to develop simple field methods to assess and monitor soil quality.In a survey of grassland soil compaction in England and Wales, soil visual evaluation methods were used alongside more widely accepted physical measurements of soil compaction (e.g. bulk density – BD and penetration resistance). Soil structural condition was investigated in 300 fields located on 150 farms, with one ‘mainly grazed’ field and one ‘mainly cut’ field selected on each farm. The visual soil evaluation methods were the visual soil assessment (VSA) method from New Zealand and the Peerlkamp (soil structure – ‘St’) method.Based on the Landcare VSA ranking score, 8% of the grassland fields were in poor condition (95% confidence interval=±3), 54% (±6) in moderate condition and 38% (±6) were in good condition. Based on the Peerlkamp ‘St’ score, 12% (±4) of fields were in poor condition (‘St’ score<4.0), 63% (±6) in moderate condition (‘St’ score 4.0–7.0) and 25% (±5) in good condition (‘St’ score>7.0). Notably, the soil visual evaluations using the VSA ranking score and ‘St’ score were well related (P<0.001; r2=66%).At 30 field sites selected for more detailed investigation, there was an inverse relationship between ‘St’ scores and mid topsoil BD (P<0.01; r2=25%), indicating that the measurement of BD in the middle of the topsoil provided an indication of soil structural condition, as determined by visual soil evaluation. Also, for the 300 grassland fields, there was a positive relationship (P<0.001) between maximum penetration resistance (MPR) in the top 200mm and both the ‘St’ score (r2=26%) and VSA score (r2=19%). The visual evaluation scores increased with increasing penetration resistance, indicating that better soil structure (as assessed visually) was associated with greater penetration resistance. This was contrary to the expectation that soils with better structure would be less dense than poorly structured soils and therefore would have lower penetration resistance values.The use of multiple predictor models showed that the two most important factors (P=0.02) influencing the VSA ranking score were (in order of importance): (i) soil organic matter content (positive relationship); (ii) soil sand content (positive relationship).
    Keywords bulk density ; farms ; grasslands ; models ; new methods ; resistance to penetration ; sandy soils ; shear strength ; soil compaction ; soil organic matter ; soil quality ; soil structure ; soil surveys ; topsoil ; England ; New Zealand ; Wales
    Language English
    Dates of publication 2013-03
    Size p. 65-73.
    Publishing place Elsevier B.V.
    Document type Article
    ZDB-ID 406698-4
    ISSN 0167-1987
    ISSN 0167-1987
    DOI 10.1016/j.still.2012.03.003
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 3643: Show issues

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