Resources to Support 4R Adoption in the Mid-Atlantic
Explore funding opportunities, practical guidance, and regional partnerships that make implementing the 4R practices easier and more effective.
4R Resources
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4R Resources
Fertilizer Efficiency & the 4Rs: Managing High Fertilizer Prices
When fertilizer prices are high, efficiency matters more than ever. The biggest return on investment doesn’t usually come from chasing new products—it comes from doing the fundamentals exceptionally well. That’s where the 4Rs of nutrient stewardship (Right Source,…
The Science Behind the 4Rs of Nutrient Stewardship
The 4Rs of nutrient stewardship—Right Source, Right Rate, Right Time, and Right Place—are more than guiding principles. They’re grounded in decades of agronomic research showing how nutrients move through soil, crops, and water systems. At their core, the 4Rs provide…
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…
Learning and Researching, The Mid-Atlantic Agriculture Region Is On Top Of It
Elkton, Maryland (September 29, 2023) – The Mid-Atlantic 4R Nutrient Stewardship Association held it’s first-ever 4R Symposium on August 31st at Cecil Community College in partnership with the Delaware Maryland 4R Alliance and Pennsylvania 4R Alliances. The symposium…
Funding & Support Resources
Plant Map 3D: A New Technology Helping Farmers Get More Benefit from Cover Crops
Plant Map 3D is an innovative tool that helps farmers better understand how cover crops influence nitrogen availability and crop nutrient needs. Available through a Regional Conservation Partnership Program (RCPP) project in the Chesapeake Bay watershed, Plant Map 3D…
Nitrogen Use Efficiency (NUE) Incentive Program
Corn and wheat growers in Maryland and Pennsylvania may qualify for funding through the Nitrogen Use Efficiency (NUE) Program. Participants work with agronomic advisors to improve nitrogen management, increase efficiency, and support water quality goals.
4R Voucher & Implementation Program Now Available for Chesapeake Bay Watershed Farmers
Funding is available for Chesapeake Bay Watershed farmers and trusted advisors implementing advanced nutrient management practices. Eligible participants may receive planning vouchers, per-acre cost-share payments, and technical assistance support for qualifying 4R stewardship projects.
Partner Network
Explore funding opportunities, practical guidance, and regional partnerships that make implementing the 4R practices easier and more effective.
Recent News
Plant Map 3D: A New Technology Helping Farmers Get More Benefit from Cover Crops
Plant Map 3D is an innovative tool that helps farmers better understand how cover crops influence nitrogen availability and crop nutrient needs. Available through a Regional Conservation Partnership Program (RCPP) project in the Chesapeake Bay watershed, Plant Map 3D…
Nitrogen Use Efficiency (NUE) Incentive Program
Corn and wheat growers in Maryland and Pennsylvania may qualify for funding through the Nitrogen Use Efficiency (NUE) Program. Participants work with agronomic advisors to improve nitrogen management, increase efficiency, and support water quality goals.
4R Voucher & Implementation Program Now Available for Chesapeake Bay Watershed Farmers
Funding is available for Chesapeake Bay Watershed farmers and trusted advisors implementing advanced nutrient management practices. Eligible participants may receive planning vouchers, per-acre cost-share payments, and technical assistance support for qualifying 4R stewardship projects.
Mid-Atlantic 4R Science Symposium
Join us Monday, January 26, 2026 in Lancaster, PA Chester, Maryland (January 16, 2026) – The Mid-Atlantic 4R Nutrient Stewardship Association is inviting you to our annual 4R Science Symposium scheduled for Monday, January 26th. The event will take place at The…
Nominate a 4R Advocate in the Mid-Atlantic
Highlight a 4R Farmer and Crop Consultant Today Chester, Maryland – October 2, 2025 – The Mid-Atlantic 4R Nutrient Stewardship Association (MA4R) is seeking nominations for a 4R Advocate in their region. The 4R Advocate Program recognizes agricultural retailers and…
Nominate a 4R Advocate in the Mid-Atlantic
Highlight a 4R Farmer and Crop Consultant Today Chester, Maryland – October 2, 2025 – The Mid-Atlantic 4R Nutrient Stewardship Association (MA4R) is seeking nominations for a 4R Advocate in their region. The 4R Advocate Program recognizes agricultural retailers and…
Upcoming Events
2026 4R Science Symposium Showcases Innovation in Nutrient Stewardship Across the Mid-Atlantic
The Mid-Atlantic 4R Nutrient Stewardship Association held a successful 2026 4R Science Symposium on Monday, February 9, 2026. Over 70 trusted advisors and like-minded organizations joined Mid-Atlantic 4R in Lancaster Pennsylvania to learn more about practical science-based applications of 4R Nutrient Stewardship and hear directly from experts through research insights and real-world case studies highlighting how 4R farming practices are implemented on farms.
Mid-Atlantic 4R Science Symposium
Join us Monday, January 26, 2026 in Lancaster, PA Chester, Maryland (January 16, 2026) – The Mid-Atlantic 4R Nutrient Stewardship Association is inviting you to our annual 4R Science Symposium scheduled for Monday, January 26th. The event will take place at The…
Funding, Findings, and Fertilizer Webinar: In Case You Missed It
Chester, Maryland (December 16, 2025) – The Mid-Atlantic 4R Nutrient Stewardship Association hosted a webinar “Funding, Findings, and Fertilizer” on December 5th, featuring four different topics. The webinar was recorded and can be viewed on their YouTube channel….