Promoting Sustainable Nutrient Stewardship Across Pennsylvania
An Industry-Led Partnership for Pennsylvania Agriculture
The Steering Committee includes: Rosetree Consulting (Executive Directors Eric & Brooke Rosenbaum), The Nature Conservancy, Growmark FS, Pennsylvania Farm Bureau, PA NRCS, Timac Agro USA, Chemgro, and Syngenta.
Science-Based Solutions for Pennsylvania Farms:
- Increase productivity and profitability through practical, field-tested nutrient strategies.
- Enhance environmental conservation across Pennsylvania farming communities.
- Expand adoption of sustainable 4R nutrient stewardship practices, including manure injection and precision application methods.
- Support on-farm implementation of manure injection to improve nutrient placement, reduce runoff, and protect soil and water quality.
- Provide anonymous nutrient management data to track regional progress and inform future programs.
- Recognize producers and retailers leading in 4R adoption.
- Share farmer success stories at conferences, field days, and outreach events
Recognizing the People Who Make PA4R Work
Strengthening Pennsylvania Agriculture
- Expanded 4R outreach across Pennsylvania through conferences and events.
- Collected nutrient management practice data to document statewide progress.
- Recognized farmers and advisors implementing the 4Rs successfully.
Every success story strengthens Pennsylvania agriculture — proving that sustainability and profitability go hand in hand.
Be A Part of the 4R Movement in Pennsylvania
Contact Info
📞 Eric Rosenbaum | 484-788-7263
📧 ericrosenbaum@rosetreeconsulting.com
📱 Facebook: @PA4RALLIANCE
Press and News
Getting to Know Your Soil
Article Written By: Todd Hunsicker, Growmark FS Following harvest one of the first steps to preparing for the next growing season is soil testing. Without knowing what nutrients are currently in the soil, applications of plant food may be a poor investment for growers...
Advanced Nutrient Management Vouchers Available
"Are you ready to take your farm to the next level for yield and efficiency?" For the upcoming small grains growing season, farmers and trusted advisors in the Chesapeake Bay Watershed have the opportunity to work together and plan advanced nutrient management...
4Rs of Dairy Manure
Successful and informative webinar by Mid-Atlantic 4R Chester, Maryland - June 17, 2025 - The Mid-Atlantic 4R Nutrient Stewardship Association held an hour-long webinar covering the 4Rs - Right Source, Right Rate, Right Time, and Right Place - of dairy manure. Robb...
4Rs and Fertility
Wednesday, March 5, 2025 (Chester, Maryland) - Over 130 attendees across the region joined the Mid-Atlantic 4R Nutrient Stewardship Association’s “Testing Efficiency February Webinar” on Monday the 24th. Key takeaways from the audience included: global use of...











