如何用好肥、答好绿色卷？这场培训班探索化肥减量增效新路径

Core Viewpoint - The training session held in Huizhou, Guangdong Province, focused on scientific fertilization techniques aimed at reducing fertilizer usage while increasing efficiency, highlighting the importance of fertilizer management in achieving national food security and agricultural quality [2][9]. Group 1: Training Overview - The training combined indoor lectures, field practices, and online live streaming, attracting over 200,000 online viewers [3][4]. - The event emphasized the integration of theory and practice in agricultural technology [3][4]. Group 2: Achievements in Fertilizer Management - Over the past 20 years, Guangdong Province has achieved significant results in scientific fertilization, with over 90% coverage of self-formulated fertilization techniques and a fertilizer utilization rate increased to 42.52% [12][13]. - A comprehensive field trial evaluation system has been established, with 842 large and county-specific formulations released, covering major crops and economic plants [12][13][14]. Group 3: Technological Innovations - The reduction and efficiency improvement in fertilizer usage are driven by optimizing fertilizer types, quantities, and application methods, with a focus on promoting soil testing and formulation fertilization, coupled with organic fertilizer alternatives and new slow-release fertilizers [19][20][21]. - New technologies have reportedly increased fertilizer utilization rates to over 43%, achieving yield increases of over 10% [26]. Group 4: Green Fertilization Techniques - The training highlighted the importance of green manure and its role in ecological agriculture, with recommendations for developing efficient planting and returning machinery for green manure crops [41][42]. - Practical demonstrations of various fertilization techniques were conducted, showcasing the effectiveness of scientific fertilization methods [45][49]. Group 5: Future Directions - The training served as a platform for technical exchange, igniting interest in agricultural green transformation and equipping frontline agricultural technicians with essential scientific fertilization knowledge [51][52].