Promoting Sustainable Nutrient Stewardship Across Pennsylvania

The Pennsylvania 4R Alliance works with farmers, ag retailers, and conservation leaders to deliver science-based nutrient management systems. Our goal: improve crop productivity, increase nutrient efficiency, and protect Pennsylvania’s waterways and farmland.

An Industry-Led Partnership for Pennsylvania Agriculture

Founded in 2012 by PennAg Industries, the Pennsylvania 4R Alliance is an industry-led partnership that connects farmers, agribusinesses, and conservation partners.

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.

Rosetree Consulting Logo
Growmark FS Logo
Pennsylvania Farm Bureau Logo
Chemgro Logo
Rosetree Consulting Logo
Timac Agro Logo
USDA Logo

Science-Based Solutions for Pennsylvania Farms:

 We work directly with Pennsylvania farmers to:

  • 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

This Alliance succeeds because of a committed network of leaders across agriculture and conservation.
Name

Role with Delaware-Maryland 4R Alliance Here

Name

Role with Delaware-Maryland 4R Alliance Here

Name

Role with Delaware-Maryland 4R Alliance Here

Strengthening Pennsylvania Agriculture

Since 2012, the Pennsylvania 4R Alliance has:

  • 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.

Event hosted by the PA4R Alliance

Be A Part of the 4R Movement in Pennsylvania

The Pennsylvania 4R Alliance invites farmers, advisors, and ag retailers to take part in advancing nutrient stewardship across the state.

Contact Info

📞 Eric Rosenbaum | 484-788-7263
📧 ericrosenbaum@rosetreeconsulting.com
📱 Facebook: @PA4RALLIANCE

Press and News

Getting to Know Your Soil

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

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

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...

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