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ORGANIC LIVESTOCK FARMS PRODUCE MANURE THAT CONTAINS VALUABLE NUTRIENTS ESSENTIAL FOR GROWING CROPS AND MAINTAINING HEALTHY SOILS. HOWEVER, THE EQUIPMENT AND PRACTICES USED TO SEPARATE SOLID AND LIQUID COMPONENTS OF MANURE OFTEN FAIL TO CAPTURE AND PRESERVE THESE NUTRIENTS EFFECTIVELY, MEANING MUCH OF THIS POTENTIAL FERTILIZER VALUE IS LOST. THIS INEFFICIENCY CAN FORCE FARMERS TO PURCHASE MORE OFF-FARM FERTILIZER, INCREASING COSTS AND REDUCING THE BENEFITS OF RECYCLING NUTRIENTS WITHIN THE FARM SYSTEM. THE LOSS OF NUTRIENTS CAN ALSO CONTRIBUTE TO WATER QUALITY PROBLEMSAND DIMINISHED SOIL HEALTH, ALL OF WHICH HAVE BROADER IMPACTS ON RURAL ECONOMIES ANDCOMMUNITY WELL-BEING. IMPROVING MANURE SEPARATION AND THE USE OF SEPARATED PRODUCTS WILL HELP FARMERS CUT COSTS, PROTECT WATER RESOURCES, AND STRENGTHEN THE RESILIENCE OF ORGANIC AGRICULTURE.TO ADDRESS THESE CHALLENGES, THIS PROJECT WILL WORK DIRECTLY WITH ORGANIC LIVESTOCK FARMS TO MEASURE HOW WELL THEIR MANURE SEPARATION SYSTEMS RECOVER NUTRIENTS AND IDENTIFY PRACTICAL CHANGES TO IMPROVE PERFORMANCE. RESEARCHERS WILL CONDUCT FIELD TRIALS TO TEST SEPARATED SOLIDS AND LIQUIDS AS FERTILIZERS ON CROPS AND PASTURES, TRACKING HOW WELL PLANTS USE THESE NUTRIENTS AND HOW SOILS RESPOND OVER TIME. THE TEAM WILL SHARE RESULTS WITH FARMERS, AGRICULTURAL ADVISORS, AND INDUSTRY PARTNERS THROUGH FACT SHEETS, VIDEOS, FIELD DEMONSTRATIONS, AND WORKSHOPS, ENSURING THAT THE INFORMATION IS CLEAR, PRACTICAL, AND EASY TO APPLY ON THE FARM. BY COMBINING ON-FARM MEASUREMENTS, CONTROLLED RESEARCH TRIALS, AND TARGETED OUTREACH, THE PROJECT WILL CREATE SCIENCE-BASED RECOMMENDATIONS THAT HELP FARMERS GET MORE VALUE FROM THEIR MANURE, REDUCE WASTE, AND MAKE INFORMED NUTRIENT MANAGEMENT DECISIONS.IF SUCCESSFUL, THIS WORK WILL RESULT IN MORE EFFICIENT NUTRIENT RECYCLING, HEALTHIER SOILS, REDUCED FERTILIZER PURCHASES, AND LOWER IMPACTS FROM ORGANIC LIVESTOCK OPERATIONS. THESE BENEFITS EXTEND BEYOND AGRICULTURE BY SUPPORTING RURAL ECONOMIES ANDSAFEGUARDING WATER QUALITY.THE KNOWLEDGE GAINED WILL ALSO HELP INDUSTRY PARTNERS DEVELOP AND PROMOTE BETTER NUTRIENT MANAGEMENT STRATEGIES, ENSURING THAT BOTH INDIVIDUAL FARMS AND THE WIDER COMMUNITY BENEFIT FROM MORE SUSTAINABLE AND EFFICIENT FOOD PRODUCTION SYSTEMS.

$749,992FY2025National Institute of Food and AgricultureUSDA

University Of Wisconsin System, Madison WI

Investigators

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