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Derivation of supply curves for catchment water effluents meeting specific salinity concentration targets in 2050: linking farm and catchment level models or “Footprints on future salt / water planes” AgEcon
Nordblom, Thomas L.; Bathgate, Andrew D.; Young, Robert A..
The salt burden in a stream reflects the blend of salty and fresh flows from different soil areas in its catchment. Depending not only on long-run rainfall, water yields from a soil are also determined by land cover: lowest if the area is forested and greatest if cleared. Water yields under agro-forestry, lucerne pasture, perennial grass pasture, and annual pasture or cropping options span the range of water yields between the extremes of forested and cleared lands. This study explores quantitative approaches for connecting the hydrologic and economic consequences of farm-level decisions on land cover (productive land uses) to the costs of attaining different catchment level targets of water volumes and salt reaching downstream users; environmental,...
Tipo: Conference Paper or Presentation Palavras-chave: Salinity; Targets; Opportunity cost; Concentration; Dilution; Effluent; Externality; Supply; Demand; Policy; Water quality; New technology; New markets; Resource /Energy Economics and Policy.
Ano: 2003 URL: http://purl.umn.edu/57929
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How Much Is Poultry Litter Worth? AgEcon
Carreira, Rita I.; Goodwin, Harold L., Jr.; Hamm, Sandra J..
Land-applying poultry litter to nutrient-deficient soils instead of commercial fertilizer could absorb nutrients from concentrated poultry production areas and help crop farmers. A survey of potential litter users showed that although farmers have used/are interested in using litter, there are still some problems that prevent the market from fully developing.
Tipo: Conference Paper or Presentation Palavras-chave: Poultry litter; Survey; Nutrient excess; New markets; Agribusiness.
Ano: 2006 URL: http://purl.umn.edu/35319
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