Manure as a suitable component of precise nitrogen nutrition

J.J. Schröder

    Research output: Contribution to conferenceConference paperProfessional

    Abstract

    Manures are an inevitable consequence of livestock in agriculture. They represent a valuable source of nutrients, including nitrogen (N), phosphorus and potassium. The industrial production of fertilisers containing these elements is associated with finite resources and this alone justifies a proper recycling of manures. The N fertiliser replacement value (NFRV) of manures is still insufficiently appreciated and exploited. Mineral fertiliser N supplementation is thus unnecessarily large, to the potential detriment of the environment. The present paper reviews methods to correctly assess the NFRV of manures and presents measures to increase the NFRV. When proper attention is given to the composition of manures and decisions on rates, timing and application methods are made accordingly, the relative NFRV of manures could rise from the present 20-50 percent to 80 percent. This could lead to a further reduction of mineral N fertiliser use, N surpluses and pollution. Under these conditions, 'manure', 'precision farming' and 'environment' should no longer be a contradiction in terms
    Original languageEnglish
    Number of pages32
    Publication statusPublished - 2005
    EventConference in Cambridge, UK -
    Duration: 16 Dec 2005 → …

    Conference

    ConferenceConference in Cambridge, UK
    Period16/12/05 → …

    Fingerprint

    nitrogen fertilizers
    nutrition
    nitrogen
    mineral fertilizers
    precision agriculture
    surpluses
    application methods
    recycling
    livestock
    pollution
    potassium
    fertilizers
    agriculture
    phosphorus
    nutrients
    methodology

    Cite this

    Schröder, J. J. (2005). Manure as a suitable component of precise nitrogen nutrition. Paper presented at Conference in Cambridge, UK, .
    Schröder, J.J. / Manure as a suitable component of precise nitrogen nutrition. Paper presented at Conference in Cambridge, UK, .32 p.
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    abstract = "Manures are an inevitable consequence of livestock in agriculture. They represent a valuable source of nutrients, including nitrogen (N), phosphorus and potassium. The industrial production of fertilisers containing these elements is associated with finite resources and this alone justifies a proper recycling of manures. The N fertiliser replacement value (NFRV) of manures is still insufficiently appreciated and exploited. Mineral fertiliser N supplementation is thus unnecessarily large, to the potential detriment of the environment. The present paper reviews methods to correctly assess the NFRV of manures and presents measures to increase the NFRV. When proper attention is given to the composition of manures and decisions on rates, timing and application methods are made accordingly, the relative NFRV of manures could rise from the present 20-50 percent to 80 percent. This could lead to a further reduction of mineral N fertiliser use, N surpluses and pollution. Under these conditions, 'manure', 'precision farming' and 'environment' should no longer be a contradiction in terms",
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    Schröder, JJ 2005, 'Manure as a suitable component of precise nitrogen nutrition' Paper presented at Conference in Cambridge, UK, 16/12/05, .

    Manure as a suitable component of precise nitrogen nutrition. / Schröder, J.J.

    2005. Paper presented at Conference in Cambridge, UK, .

    Research output: Contribution to conferenceConference paperProfessional

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    AB - Manures are an inevitable consequence of livestock in agriculture. They represent a valuable source of nutrients, including nitrogen (N), phosphorus and potassium. The industrial production of fertilisers containing these elements is associated with finite resources and this alone justifies a proper recycling of manures. The N fertiliser replacement value (NFRV) of manures is still insufficiently appreciated and exploited. Mineral fertiliser N supplementation is thus unnecessarily large, to the potential detriment of the environment. The present paper reviews methods to correctly assess the NFRV of manures and presents measures to increase the NFRV. When proper attention is given to the composition of manures and decisions on rates, timing and application methods are made accordingly, the relative NFRV of manures could rise from the present 20-50 percent to 80 percent. This could lead to a further reduction of mineral N fertiliser use, N surpluses and pollution. Under these conditions, 'manure', 'precision farming' and 'environment' should no longer be a contradiction in terms

    M3 - Conference paper

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    Schröder JJ. Manure as a suitable component of precise nitrogen nutrition. 2005. Paper presented at Conference in Cambridge, UK, .