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- W1993021880 abstract "Abstract More intensive use of pasture and the transition to organic production are being used to reduce production costs and increase profitability of some small dairy farms in Pennsylvania. Farm simulation, supported by case study farm data, was used to compare the economic benefits and environmental impacts of two grazing-based production systems using either organic or conventional practices. Systems using all-grass production with managed rotational grazing and a spring calving herd maintained outdoors throughout the year had lower erosion and phosphorus losses, lower production costs, and up to $200/acre ($1.58 to 3.63/cwt of milk produced) greater net return compared to systems using crop production, supplemental grazing, random calving, and winter confinement. With either production approach, substantial economic benefit was found using organic practices, but this benefit was highly dependant upon the price difference between organic and conventional milk. Environmental concerns for organic production were (i) long-term accumulation of soil nutrients due to the use of imported poultry manure for crop fertilization, and (ii) greater soil erosion and runoff loss of phosphorus due to increased tillage for weed control in annual crops. The economic net benefit may encourage more grass-based dairy producers to transition to organic certification, so more attention must be given to identifing strategies that better utilize farm nutrients and reduce losses to the environment." @default.
- W1993021880 created "2016-06-24" @default.
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- W1993021880 date "2008-01-01" @default.
- W1993021880 modified "2023-10-16" @default.
- W1993021880 title "Grass-Based Dairy Production Provides a Viable Option for Producing Organic Milk in Pennsylvania" @default.
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- W1993021880 doi "https://doi.org/10.1094/fg-2008-0212-01-rs" @default.
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