地处河西走廊东北部的民勤县，东西北三面被腾格里、巴丹吉林两大沙漠包围，大陆性沙漠气候特征明 显，境内气候干旱，降雨少、蒸发量大，是典型的缺水农业县。 民勤县农业农村局副局长陈芳介绍说，其得天独厚的自然隔离条件，日照时间长、昼夜温差大、环境污 染少，以及优越的光、热、水、土资源组合，共同构成了生产高品质戈壁农特产品的独特自然优势。 近年来，民勤县立足地域优势，将发展高效特色农业作为农业转型升级的突破口，以健康、绿色、有 机、安全为发展理念，探索符合区域特点和地方特色的绿色发展模式，积极实践并总结推广旱作节水实 用技术，因地制宜培育农业新业态，示范推广了油莎豆、烟薯等一批各具特色的旱作节水农业新品种， 有效拓宽了农民就业增收渠道，为乡村振兴提供了有力支撑。 此外，民勤县加快推进农业转型升级步伐，制定优质农产品生产技术规程，大力开展农业关键技术科研 攻关，集中突破产业发展技术瓶颈。在"粮丰"工程实施中，积极推广转化科研成果，成功在关键生产环 节实现突破性创新，研发并应用了一批高效新型栽培技术与生产模式。同时，建立了农产品全程可追溯 系统，有效提升了农业技术的产量与产值，有力推动了生态绿色农业向科学化、规模化、集约化 ...

Core Viewpoint - The article highlights the innovative achievements and practical experiences of Xin Guosheng, a researcher in sweet potato breeding, who has made significant contributions to the industry over 29 years, particularly through the development of new technologies and varieties that enhance production efficiency and quality [1][3][4]. Group 1: Innovations and Technologies - Xin Guosheng has led his team to overcome over 10 technical challenges in sweet potato research, developing key technologies such as the "artificial insect complementary secondary pollination method," which expands genetic range and improves breeding efficiency [3]. - The "one-cut sweet potato stem tip peeling technology" was innovated to effectively detoxify sweet potatoes and prevent seed variation, addressing the issue of virus infections [3]. - The introduction of black plastic film covering cultivation technology has reduced herbicide usage, while the seedling insertion stick technology has alleviated labor intensity and improved efficiency in seedling planting [3]. Group 2: Achievements and Impact - Xin Guosheng's team has been awarded 15 authorized patents, published one book, and over 40 papers, achieving six provincial and ministerial-level results and seven municipal-level results [3]. - The "Yanshu 25" variety, developed by Xin's team, has become a flagship product, generating over 50 billion yuan in social and economic benefits since its nationwide promotion began in 2015 [4]. - The success of "Yanshu 25" has not only driven profits for farmers but also contributed to structural adjustments in agriculture and rural revitalization [4]. Group 3: Future Outlook - The team aims to focus on breeding high-yield, high-starch, and high-quality sweet potato varieties that are disease-resistant, addressing the industry's shortcomings and benefiting growers, processing enterprises, and consumers alike [4].

Group 1: Core Insights - Yantai City is strategically planning and innovating to enhance agricultural high-quality development through "seed industry revitalization" [1] - The city has established a dual financial support system to ensure the high-quality development of the seed industry, allocating 25 million yuan annually from the municipal budget for three consecutive years [1] Group 2: Innovation and Research - Yantai has built 17 national-level innovation platforms and 7 academician workstations, with 765 new crop varieties registered [2] - The city has formed 53 breeding teams and has seen significant results in technology transfer, generating over 29 million yuan from the commercialization of 28 new varieties since 2021 [2] Group 3: Industry Growth - Leading enterprises in Yantai, such as Shandong Denghai Seed Industry Co., Ltd., have a combined market value nearing 10 billion yuan, contributing to a projected revenue of over 10 billion yuan for the seed industry in 2024 [2] - The city is fostering an integrated development model of "research-production-sales" to enhance the seed industry [2] Group 4: Agricultural Impact - Yantai has established over 200,000 acres of seed production bases, achieving a seed coverage rate of over 98% for major crops [3] - The "Yannong 1212" wheat variety has increased yields by 20 kg per mu, while the "Yanjinmi" apple variety has a market price exceeding 10 yuan per pound, yielding over 30,000 yuan per mu [3] Group 5: Regulatory Measures - Yantai has implemented a regulatory enforcement plan to strengthen management responsibilities and enhance market supervision, achieving a seed inspection pass rate of 98% for corn and wheat [4] - The city is actively promoting intellectual property rights in the seed industry and conducting public awareness campaigns to foster a fair competitive environment [4]