Enhancing Nutrient Use Efficiency in Agriculture
Improving nutrient use efficiency is crucial for sustainable agricultural systems. Dr. Yvonne Harz-Pitre discusses best management practices such as 4Rs, conservation practices, and integrated plant nutrient management to optimize fertilizer use. By implementing strategies like balanced fertilization and site-specific nutrient management, farmers can enhance crop productivity while minimizing environmental impact.
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Presentation Transcript
Improving nutrient use efficiency for sustainable agricultural systems Dr. Yvonne Harz- Pitre Director of Communications and Public Affairs
Crucial to improve fertilizer use efficiency (NUE) worldwide NUE= N input/N output
Fertilizer Best Management Practices: 4Rs Right fertilizer Source, at the Right Rate, at the Right time and in the Right Place Conservation practices include: Cover crops; No-till; Strip-till; Grass waterways; Drainage water management etc
Fertilizer Best Management Practices Also part of the 4R toolbox: Integrated Plant Nutrient Management (IPNM): applyingon-farm organic fertilizers and supplementing them with mineral fertilizers Balanced fertilization, i.e. assuring a proper supply of all macronutrients and micronutrients in a balanced ration; Site-specific nutrient management (SSNM), i.e. supplying plants with nutrients to optimally match their needs for nutrients; Fertigation, entails combining fertilizers with irrigation water.
