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Provedor de dados:  AgEcon
País:  United States
Título:  EVALUATING THE RETURNS TO VARIABLE RATE NITROGEN APPLICATION
Autores:  Roberts, Roland K.
English, Burton C.
Mahajanashetti, S.B.
Data:  2003-01-22
Ano:  2000
Palavras-chave:  Production economics
Management zones
Nitrogen
Precision farming
Spatial break-even variability proportions
Variable rate applications
Yield response variability
Crop Production/Industries
Resumo:  Potential benefits of variable rate nitrogen application are illustrated and information needs identified. Lower costs of precision farming services, higher crop prices, and greater divergence in yield response potentials across management zones reduce the spatial variability required for profitable variable rate application. Information needs include identification and measurement of management zones within a field and estimation of management zone yield response functions, crop and input prices, and the cost of precision farming services.
Tipo:  Journal Article
Idioma:  Inglês
Identificador:  6820

http://purl.umn.edu/15393
Editor:  AgEcon Search
Relação:  Journal of Agricultural and Applied Economics>Volume 32, Number 01, April 2000
Formato:  11

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