CONESTOGA WATERSHED PROJECT
Environmental Defense is working on a watershed project to reduce nonpoint source nitrogen runoff and leaching to the Chesapeake Bay from the Conestoga Watershed in Lancaster County, Pennsylvania. The materials below were prepared to further that effort.
Plans
- draft plan of work (11/20/03)
- timeline spreadsheet (11/20/03)
- early work list (6/25/03)
ACE Papers
- A Simple Manure Nutrient Allocation Model for the Conestoga Watershed (12/11/03)
- Managing Nitrogen Volatilization Losses from Manure in the Conestoga Watershed, Lancaster County (12/1/03)
- Nutrient Management in the Conestoga Watershed (9/17/03)
Other Project Papers
- Management Intensive Grazing For Dairy Farms In The Northeast (Lynette Ward and Ralph Heimlich, 10/6/03)
- Feed Management Strategies For Poultry And Swine (Lynette Ward, 9/25/03)
- Transitioning to Organic Milk Production (Lynette Ward, 9/25/03)
- Nitrogen Trading Partner Prioritization Scheme (Wendy Pabich, 5/15/03)
- Agricultural Best Management Practices for Reducing Nitrogen Loading from the Conestoga River Watershed (Frank Coale, 4/28/03)
Images
- Total N Uptake on Land In Production, Conestoga watershed, by ZIP Code
- Agricultural Value of Livestock Production, Conestoga watershed, by ZIP Code
- Land use, Conestoga watershed, for ZIP Codes
- Alternative Excess/Deficit N, Conestoga watershed, by ZIP Code
Spreadsheets
- Lancaster County and Conestoga Watershed Livestock Manure Nutrients, As Stored Nutrient Losses, by ZIP Code, 1997 (11/26/03)
- Lancaster County and Conestoga Watershed Livestock Manure Nutrients, Assuming all injected, by ZIP Code, 1997 (11/26/03)
- Lancaster County and Conestoga Watershed Livestock Manure Nutrients, Assuming all digested and injected, by ZIP Code, 1997 (11/26/03)
- Comparisons of Northeast Grazing Systems (7/14/03)
- Grazing Nutrient Loss Regressions (7/14/03)
- Summary of the Economics of Intensive Grazing Systems (7/14/03)
Models
- Manure Nutrient Allocation Model, Conestoga Watershed (12/11/03)
- Data Entry Forms for Conestoga Farm Survey (8/20/03)
- Conestoga GIS model user manual (6/6/03)
Contact: Ralph Heimlich aceheimlich@comcast.net
