![]() However, we think this is the first study that examines a full range of 4R Plus practices,” said J. “There has been a lot of research looking at adoption of individual 4R Plus conservation practices. While 4R refers to in-field nutrient management practices, “Plus” refers to in-field conservation practices, such as no-till and cover crops, and edge-of-field conservation practices, including bioreactors or saturated buffers. The 4R approach to agricultural nutrient management aims to ensure use of the “right source” of nutrients at the “right rate,” the “right time” and in the “right place” for efficient use of fertilizers to avoid nutrient loss and maximize farm income. Evolution of Revealed Comparative Advantage of Key Agricultural CommoditiesĪMES, Iowa - A study of Iowa farmers’ use of 4R Plus nutrient management practices offers insights into social, economic, and ecological influences on adoption that operate at both an individual level and within a larger, county-level context.Beef and Pork Price Spreads and Farm Share of Retail Price. ![]() Net Returns Calculator for Cover Crops Terminated with Herbicides.News | CARD CARD Iowa State University Menu
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