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Measurement


  • Version 1 of 1

Measurement Data Component

Title: Background soil mineral nitrogen contents: AC0116, Ceredigion, 2011-12
Related Party - Organisation (Author): ADAS
Related Party - Organisation (Funder): Defra
Related Party - Organisation (Funder): Scottish Government
Related Party - Organisation (Funder): Welsh Assembly Government
Related Party - Organisation (Funder): DAERA Northern Ireland
Abstract:
At ADAS Pwllpeiran near Cwmystwyth, mid Wales (clay loam topsoil texture), direct N2O-N emissions were measured from replicated (x3) plots (5 x 15 m) arranged in a randomised block design. Dairy cattle slurry (c.30 m3/ha) and beef cattle FYM (25 t/ha) were applied to permanent grassland in autumn (late-September) and spring (early-May). The cattle slurry was applied using the ADAS small plot applicator set up for surface broadcast and trailing shoe application. The solid manure was spread by hand. In two separate treatments, the commercially available nitrification inhibitor - dicyandiamide (DCD) was applied by knapsack sprayer to the sward after slurry application by surface broadcast and trailing shoe to give a DCD application rate of 10 kg /ha (6.5 kg N/ha). An untreated control treatment was included where no manure was applied. This dataset is of soil mineral nitrogen (SMN) values measured to 0-90 cm depth before experimental treatments were applied. ND = not determined.
Subject Keywords: Background soil mineral nitrogen; Grassland soils; Clay soils
Geographic Keywords: Ceredigion
Observed Properties: Ammonium-nitrogenBackground soil mineral nitrogenExperimental blockingNitrate-nitrogenSampling depth
Parameter: Background soil mineral nitrogen content
Parameter: Block number
Parameter: Depth of soil sampling
Parameter: Soil ammonium-nitrogen content
Parameter: Soil nitrate-nitrogen content

Geographic Extent -
    Longitude (West): -3.99
    Longitude (East): -3.71
    Latitude (South): 52.25
    Latitude (North): 52.42

Phenomenon Time -  Start Date/Time: 2011 End Date/Time:  2012
Result Time: 2012
Valid Time -  Start Date/Time: 2011 End Date/Time:  2012
Feature of Interest: biosphere
Publication Date: 2017-04-05

This data is made available under the terms of the .

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