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Tools for managing manure nutrients Organic Eprints
Shepherd, Mark; Philipps, Lois; Webb, John.
Manures are a valuable source of nutrients (and organic matter), and can be seen as a method of transferring nutrients around the farm (for homeproduced manures) or as a method of importing fertility (imported manures or composts). Good manure management offers a ‘win-win’ opportunity: benefits to soil fertility and benefits to the environment (less pollution). This paper describes two tools for manure nutrient planning: the use of look-up tables to assess nutrient content, and the development of a Decision Support Tool for describing nutrient transformations during manure management.
Tipo: Conference paper, poster, etc. Palavras-chave: Education; Extension and communication Knowledge management Farm nutrient management.
Ano: 2002 URL: http://orgprints.org/8233/1/shepherd_managing_manure_nutrients.pdf
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Nutrient budgets as a tool for researchers and farmers Organic Eprints
Cuttle, Stephen P.
This report was presented at the UK Organic Research 2002 Conference. Whole-farm budgets for N, P and K have been determined for the organic dairy farm at Trawsgoed in mid-Wales and used to assess the potential value of budgets as a management tool for optimising nutrient use. Most of the information needed by farmers to calculate whole-farm budgets is available on commercial farms but an important limitation is the difficulty of estimating N fixation. Whole-farm budgets do not provide sufficient information for use in managing nutrient flows, which requires moredetailed field budgets. Information for determining budgets at the field scale is less readily available. The studies have examined the use of farm and field budgets to provide an estimate of the...
Tipo: Conference paper, poster, etc. Palavras-chave: Education; Extension and communication Knowledge management Farm nutrient management.
Ano: 2002 URL: http://orgprints.org/8387/1/cuttle_Nutrient_budgets_tool.pdf
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