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Nitrogen uptake index

The new Defra nitrogen recommendations continue to use Soil Nitrogen Supply (SNS) as their basis but the system has been fully revised with clearer definitions of soil type and revised index tables. Defra defines SNS as the amount of nitrogen (kg N/ha) in the soil (apart from that applied for the crop in manufactured fertilisers and manures) that is available for uptake by the crop throughout its entire life, taking accoimt of nitrogen losses . It is calculated using the equation ... [Pg.68]

See other pages where Nitrogen uptake index is mentioned: [Pg.41]    [Pg.176]    [Pg.40]    [Pg.176]    [Pg.53]    [Pg.4924]    [Pg.201]    [Pg.3586]    [Pg.385]    [Pg.520]   
See also in sourсe #XX -- [ Pg.374 , Pg.375 ]



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Nitrogen INDEX

Nitrogen uptake

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