A “MANAGE”ed Approach for 4R Nutrient Stewardship on Drained Land


Summary: Complex environmental, economic, and social demands placed upon agriculture mean 4R Nutrient Stewardship is now a vital approach to guide on-farm nutrient management. With the rapid dissemination of these stewardship ideas, there arises a critical need to evaluate and better understand their environmental and economic impacts. Read more

Year of initiation:2014
Year of completion:?

Interpretive Summary


As agriculture in the 21st century faces increasing pressure to reduce negative environmental impacts while continuing to efficiently produce food, fiber, and fuel, it becomes increasingly important to reflect upon more than half a century of drainage water quality research to identify future paths towards sustainability.

Updates & Reports


4R Water Quality Impacts: An Assessment and Synthesis of Forty Years of Drainage Nitrogen Losses


2015 Annual Report


Project Description

Project Leader

Laura Christianson, University of Illinois

Project Cooperators

Daren Harmel, USDA - ARS

IPNI Staff

C. S. Snyder


Americas \ Northern America \ USA \ West Virginia


4r research fund, water