体系化变革！广东甘薯种植的技术升级与产业新路

Core Viewpoint - The article discusses the systematic transformation and technological upgrades in the sweet potato industry in Guangdong, focusing on addressing challenges such as virus diseases, seed degeneration, and chemical fertilizer dependency while meeting market demands for quality, safety, and sustainability [3][4][5]. Group 1: Challenges and Needs - The sweet potato from Lufeng is recognized as a "nationally famous special agricultural product," but faces challenges like virus disease accumulation and reliance on chemical fertilizers [3][4]. - There is a pressing need for the industry to upgrade systematically to meet higher consumer expectations for quality and safety [5]. Group 2: Technological Innovations - A demonstration event for scientific fertilization techniques was held on January 30, 2025, in Lufeng, showcasing a shift from "passive control" to "active health management" in sweet potato cultivation [6][7][9]. - The introduction of "virus-free seedlings" is highlighted as a critical first line of defense against pests and diseases, significantly improving yield and quality [12][19][24]. Group 3: Green Precise Control System - A comprehensive green control strategy, termed "one selection, two soaking, three precision," emphasizes a shift from reactive pest control to proactive prevention [28][29]. - This strategy includes selecting suitable planting sites, pre-treating seedlings, and dynamic management based on pest monitoring to minimize pesticide use [30][31][32]. Group 4: Low-Carbon Cultivation Techniques - The low-carbon cultivation technology focuses on reducing chemical fertilizer use by 30% without compromising yield, using organic fertilizers and microbial agents to improve soil health [49][50][51]. - The ultimate goal is to stabilize yield, quality, and profitability while addressing internal industry needs and external market demands for safe and high-quality agricultural products [54][55]. Group 5: Future Outlook - The adoption of virus-free seedlings, precise green control, and low-carbon cultivation represents a modern agricultural development trend, positioning Lufeng sweet potatoes as not just a local specialty but a model for sustainable agricultural practices [56][57].