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面对面丨青稞为何要保留延续四千多个品种?解码“西藏粮仓”密码
Yang Shi Xin Wen Ke Hu Duan· 2025-08-25 08:16
Core Viewpoint - The establishment of the world's largest barley germplasm resource base in Linzhou County, Lhasa, Tibet, is crucial for preserving diverse strains of barley, which are essential for food security and agricultural resilience in the region [2][25]. Group 1: Importance of Barley - Barley, specifically highland barley, is a traditional staple food for the Tibetan people and is vital for food security in Tibet due to its adaptability to extreme high-altitude climates [4]. - The diverse strains of barley serve as a "genetic bank," providing potential resistance to diseases and ensuring food supply stability in case of agricultural crises [2]. Group 2: Research and Development - The germplasm resource base contains over 4,000 varieties of barley, which are essential for breeding programs aimed at improving crop resilience and yield [2][25]. - The barley yield in Tibet has significantly increased from less than 200 jin per mu (approximately 100 kg) in the early days of liberation to 700-800 jin per mu (approximately 350-400 kg) today, with 80%-90% of the area covered by improved varieties [24]. Group 3: Personal Journey of Researchers - Dawa Tonzhu, a key researcher, was inspired by his mentors and the historical contributions of earlier scientists in the field of barley research, leading him to pursue advanced studies and contribute to the development of new barley varieties [10][27]. - The late Nima Zhashi, a prominent figure in Tibetan barley research, played a crucial role in supporting Dawa Tonzhu's education and career, emphasizing the importance of fieldwork and farmer engagement in agricultural research [12][22]. Group 4: Future Directions - The ongoing efforts to breed new barley varieties and promote agricultural technology are vital for enhancing the productivity and sustainability of barley farming in Tibet [25][27]. - The research community aims to leverage the genetic diversity preserved in the germplasm resource base to develop improved barley strains that can meet the challenges posed by climate change and agricultural diseases [27].
青稞为何要保留延续四千多个品种?解码“西藏粮仓”密码
Yang Shi Xin Wen· 2025-08-25 00:05
Core Viewpoint - The establishment of the world's largest barley germplasm resource base in Linzhou County, Lhasa, Tibet, is crucial for agricultural biodiversity and food security, particularly for the local population who rely heavily on barley as a staple food and currency [1][3][5]. Group 1: Importance of Barley - Barley, specifically Qiang barley, is essential for the Tibetan people, serving as both food and a medium of exchange for other goods like butter and meat [5]. - The genetic diversity of over 4,000 barley varieties is vital for resilience against potential agricultural crises, such as plant diseases [1][3]. Group 2: Research and Development - The germplasm resource base was developed under the leadership of Dawa Tonzhu, who emphasized the importance of maintaining diverse barley varieties for future breeding efforts [1][24]. - The yield of barley in Tibet has significantly improved, with production per mu increasing from less than 200 jin to 700-800 jin, and the coverage of improved varieties reaching 80%-90% [23]. Group 3: Personal Journey of Dawa Tonzhu - Dawa Tonzhu's journey from a student with financial difficulties to a leading researcher in barley cultivation highlights the importance of mentorship and support in agricultural science [9][11]. - His experiences in the field have shaped his understanding of agricultural challenges and the need for practical solutions that directly benefit local farmers [19][24]. Group 4: Legacy and Future Directions - The passing of his mentor, Nima Zhaxi, marked a significant moment, yet Dawa Tonzhu continues to advance barley research and development, ensuring the legacy of scientific inquiry and agricultural improvement in Tibet [21][24]. - The focus remains on utilizing the rich genetic resources available to develop new barley varieties that can meet the evolving needs of the agricultural sector [29][30].
春茶开采 福建武夷山开展丰富茶旅文化活动
Yang Shi Xin Wen Ke Hu Duan· 2025-04-21 01:27
Core Viewpoint - The tea industry in Wuyishan, Fujian, is experiencing a revival due to traditional production techniques and vibrant tea tourism activities, which are boosting the local economy and consumption [1][3]. Group 1: Economic Impact - The integration of tea culture with tourism in Wuyishan has significantly enhanced local economic activities, attracting both domestic and international tourists [3][4]. - The total output value of the tea industry chain in Wuyishan has reached 15 billion yuan [6]. Group 2: Cultural Significance - The "Shouting Mountain Tea Festival" is an ancient custom dating back over a thousand years, celebrated annually during the tea picking season to symbolize good weather and a bountiful harvest [4]. - Wuyishan's tea culture is deeply embedded in various aspects of local life, including dining, accommodation, transportation, and shopping, reinforcing the foundation for rural revitalization [6]. Group 3: Resource Management - Wuyishan has established a large ecological tea tree germplasm resource bank, preserving 3,290 samples of tea tree genetic resources, which are considered rare agricultural resources [3][6]. - The region has developed 148,000 acres of green ecological tea gardens, contributing to sustainable agricultural practices [6].