超166万亩次应用！阳山测土配方助力玉米产业绿色发展

Core Viewpoint - The article highlights the promotion of scientific fertilization techniques in the corn industry in Yangshan, Guangdong, emphasizing the importance of soil testing and tailored fertilization for sustainable agricultural development [1][10]. Group 1: Event Overview - A live training event focused on scientific fertilization techniques for corn was held in Yangshan, attracting over 70,000 online viewers [3][5]. - The event was organized by various agricultural institutions and aimed to enhance the quality and coverage of scientific fertilization training [4][8]. Group 2: Agricultural Development Initiatives - Yangshan has over 90,000 acres dedicated to corn cultivation and is part of a broader initiative to develop five major agricultural industries in Qingyuan City [9][10]. - The county has been recognized as a demonstration area for reducing chemical fertilizer use while increasing efficiency [11]. Group 3: Fertilization Techniques - The application of soil testing and tailored fertilization has reached over 1.05 million acres, with specific fertilizer application covering 615,000 acres [13][14]. - The fertilization process is divided into three stages: base fertilization (10% of total), jointing stage (50-60%), and tasseling stage (30-40%), with the latter including micronutrients [19][20][22]. Group 4: Practical Applications and Feedback - Demonstration fields are used for experimental comparisons of different fertilizers, providing local farmers with scientific references for their practices [23][25]. - Farmers have reported positive outcomes from using long-lasting fertilizers, which reduce labor input and improve crop health [29][32].