Core Insights - The article discusses the successful implementation of a saline-alkali land management program in Shandong, China, which has transformed 30 million acres of previously barren land into productive agricultural areas [2][3][4] Group 1: Saline-Alkali Land Management - The National Saline-Alkali Land Comprehensive Utilization Technology Innovation Center has reported a significant increase in the area of saline-alkali land management, reaching 30 million acres [2] - Shandong has completed a pilot project for the comprehensive utilization of saline-alkali land, adding and transforming 15.07 million acres of arable land, which is expected to yield an additional 7.3 million jin of grain annually [2][3] - The total saline-alkali land in China is approximately 1.5 billion acres, with 500 million acres having potential for development [5][6] Group 2: Technological Innovations - The article highlights the innovative techniques developed for managing saline-alkali soils, including the use of plastic membranes and vacuum pumps to reduce soil salinity from 12-16‰ to around 3‰ [9] - The National Saline-Alkali Land Comprehensive Utilization Technology Innovation Center has successfully bred 87 new varieties of salt-tolerant crops, significantly accelerating the breeding process [11][10] Group 3: Economic Potential and Crop Diversity - The article emphasizes the economic potential of saline-alkali land, showcasing the successful cultivation of economically valuable crops such as goji berries, which can yield up to 5,000 yuan per acre in their fourth year [18] - The Shandong saline-alkali land management program is promoting a diversified approach to land use, including the cultivation of medicinal herbs and the development of renewable energy sources in severely saline areas [19][20] Group 4: National and Global Implications - The initiative in Shandong represents a significant national effort to address food security and agricultural productivity in the face of global challenges, including hunger and limited arable land [4][6] - The techniques and innovations developed in Shandong are being replicated in other regions of China, such as Inner Mongolia and Gansu, demonstrating the program's scalability and potential for broader application [15][16]

冬日的新疆喀什地区伽师县，成片盐碱地被划成一个个"小方格"，蓄满冬灌水。经过一冬天的渗透，水 会带走地里的一部分盐，来年开春，盐碱地能更好地孕育新一季作物。 "咱地里有新技术，只用一二十天就能完成冬灌压盐，半个月后再开始也不迟。"眼看周围地里陆续开始 冬灌，伽师县克孜勒苏乡的种植户史青春却从容不迫。 "对于重度以上的盐碱地，我们首先要把盐排出去。冬春灌时，通过大量地表水淋洗土壤，让盐分随水 排到暗管里或者暗管以下的土层，耕层土壤含盐量就会降低。"李磐说。 "伽师县地下水位较高，水分带着盐通过土壤毛管上升到地表，会让土壤盐碱化程度加剧，还需要把 盐'拦住'。"伽师县农业技术推广中心副主任郑鲁昕说，地下水位高，正对暗管排盐技术的"胃口"，地下 水上升到暗管位置时，水便能被"截和"，流入管道排出，盐分不易积累在表层土壤。 "一'疏'一'堵'，一套盐碱地治理'组合拳'，更好发挥改良效果。"李磐说，与传统的明渠排盐方式相比， 暗管排盐技术不占用耕地，重度盐碱地改良周期从5年—6年缩短至2年，冬春灌用水量也减少近一半。 高效的排水降盐，给了史青春底气，也让白花花的盐碱地蹿出白茸茸的棉。 他口中的新技术，是新疆农业科学院等 ...

朝阳区发改委相关负责人介绍，"中科羊草"是中科院植物所专家通过长期种质资源收集、保存、研究和 创新育种培育出的我国完全自主知识产权的优质羊草品种，具备适应性好、抗寒抗旱、耐盐碱、耐瘠 薄、耐牧等特性，可起到固沙、固土的作用，一次播种成功可生存近30年（作为对比，目前广泛种植的 紫花苜蓿到第五年生长力急剧下降），适合应用于深度盐碱化草场长效生态治理。 （来源：工人日报） 一株株小小的羊草，将荒漠编织成绿洲：从耕地盐碱化年损失2.3亿元，到植被覆盖率明显提升、荒瘠 盐碱地逐步修复、每亩地可增收1000元以上……在12月10日举行的2025全球减贫伙伴研讨会上，第六 届"全球减贫案例征集活动"获奖案例名单发布。由北京市朝阳区申报的"朝阳区向结对地引入羊草种植 项目"案例，入选第六届全球减贫案例。 2021年，在京蒙协作框架下，朝阳区东西部协作结对帮扶科左后旗。记者了解到，在与朝阳区结对协作 前，科左后旗盐碱化导致耕地年均减产40%，直接经济损失达2.3亿元。更为严重的是，盐碱地每年以 1.5%的速度扩张，吞噬着本就脆弱的草原生态系统。 依托中科院植物研究所研发优势，朝阳区引入"中科羊草"优良品种，统筹资金、技术和市 ...

人民日报记者 尚嵘峥 加强黑土地保护和盐碱地综合利用，提升耕地质量。 ——摘自"十五五"规划建议 "对于重度以上的盐碱地，我们首先要把盐排出去。冬春灌时，通过大量地表水淋洗土壤，让盐分 随水排到暗管里或者暗管以下的土层，耕层土壤含盐量就会降低。"李磐说。 "伽师县地下水位较高，水分带着盐通过土壤毛管上升到地表，会让土壤盐碱化程度加剧，还需要 把盐'拦住'。"伽师县农业技术推广中心副主任郑鲁昕说，地下水位高，正对暗管排盐技术的"胃口"，地 下水上升到暗管位置时，水便能被"截和"，流入管道排出，盐分不易积累在表层土壤。 "一'疏'一'堵'，一套盐碱地治理'组合拳'，更好发挥改良效果。"李磐说，与传统的明渠排盐方式相 比，暗管排盐技术不占用耕地，重度盐碱地改良周期从5—6年缩短至2年，冬春灌用水量也减少近一 半。高效的排水降盐，给了史青春底气，也让白花花的盐碱地蹿出白茸茸的棉。 新疆已有超27万亩重度盐碱地铺设了"地下管网"，用上节水抑盐灌排协同产能提升技术；科研团队 为8800人次种植户进行了相关培训。 史青春期待着，2026年再迎来一个丰收年。 "咱地里有新技术，只用一二十天就能完成冬灌压盐，半个月后再开始也不 ...

近日，内蒙古自治区巴彦淖尔市临河区白脑包镇十大股村1万多亩葵花迎来丰收。谁能想到，这片 丰收的葵花地曾是"种啥啥难长"的盐碱地。 近年来，临河区分局组织开展国土调查和耕地后备资源调查评价，通过"上膜下秸"阻盐、暗管排盐 等盐碱地改良技术模式开展盐碱地治理。对盐碱轻的土地经过治理后发展特色种植产业，盐碱滩涂用来 发展特色养殖产业，探索出盐碱地变丰产田的新路径。同时，积极探索建立"谁投资、谁收益"的盐碱地 综合治理利益分配机制，鼓励开展盐碱地综合改造利用的农村集体经济组织、企业、个人持续种植经 营，确保盐碱地开发后能够长期稳定利用。 十大股村有耕地1.22万亩，其中，中重度盐碱化土地占85%。2024年，巴彦淖尔市自然资源局临河 区分局引导该村抓住高标准农田建设契机，推动土地集中连片、配套基础设施，同时大力推广种植耐盐 碱特性突出的向日葵作物，"以种促改"逐步改善土壤结构。据测算，改良后的盐碱地葵花亩产较之前提 高20%以上。 ...

Core Insights - Inner Mongolia has focused on becoming a key national agricultural and livestock product production base, achieving a grain output of 82.01 billion jin in 2024, ranking sixth in the country, with expectations for another bumper harvest this year [1][2] Group 1: Agricultural Infrastructure and Technology - The region has implemented high-standard farmland construction as a foundational project for agricultural development, with Baotou City completing 1.6303 million acres of high-standard farmland, aiming for a total of 7.3939 million acres by 2027 [2][3] - The introduction of technologies such as Beidou navigation and integrated water and fertilizer systems has significantly improved agricultural production efficiency, with individual farmers managing up to 1,000 acres and achieving notable yield increases [2][3] Group 2: Saline-Alkali Land Management - Inner Mongolia is actively addressing the challenges of saline-alkali land through targeted improvement strategies, with 240 million acres of saline-alkali land upgraded during the 14th Five-Year Plan period [3][4] - The transformation of saline-alkali land has led to increased crop yields, with reports of sunflower yields rising from 200 jin to an expected 350 jin per acre after improvements [4][5] Group 3: Economic Impact and Community Benefits - The shift to high-standard farmland and the introduction of cooperative farming models have resulted in increased incomes for local farmers, with reports of collective incomes reaching 100,000 yuan in certain villages [2][3] - The comprehensive utilization of saline-alkali land has not only improved ecological conditions but also provided new income streams for local herders through the cultivation of specialized forage crops [3][4]

Group 1: Cotton Production in Dunhuang - Dunhuang has successfully improved cotton production through the comprehensive management of saline-alkali land, resulting in better growth and increased yields [1][5] - The average yield of cotton in the saline-alkali land has increased by 10% to 20%, with specific fields showing a yield of at least 400 kilograms per mu, an increase of 40-50 kilograms [1][5] - The agricultural department is testing various cotton varieties to identify those with stronger salt-alkali resistance and higher adaptability for broader promotion [3] Group 2: Cotton Production in Xinjiang - Xinjiang has reported record cotton yields, with an average yield of 774.3 kilograms per mu and a maximum yield of 862.99 kilograms per mu, setting a new record for single-point yield [7][11] - The high-yield cotton field in Aral City, covering 200 mu, is a collaboration between the Xinjiang Academy of Agricultural Sciences and a seed company, focusing on a new high-quality cotton variety [9][11] - The breakthrough in single plant yield, achieving over 10 bolls per plant, is seen as a significant advancement for cotton production in the region [11] Group 3: Oil Tea Production in Guizhou - In Guizhou, over 60,000 mu of oil tea trees have entered the harvesting period, with the highest oil yield occurring now [13][17] - The oil tea industry in Shiqian County is thriving, with an annual production of 8,000 tons of oil tea fruit, generating over 20 million yuan in value and benefiting over 4,000 people [17][18] - The county is optimizing low-efficiency wild oil tea forests and planting high-yield varieties to ensure steady growth in the oil tea sector [18] Group 4: Corn Production in Gansu - Gansu's corn production is flourishing, with over 80,000 mu dedicated to seed corn, contributing to a total planting area of 453,700 mu [19][21] - The corn seed industry in Yongchang County is expected to reach a total industrial chain output value of 860 million yuan this year [23] Group 5: Rice Production in Hunan - Hunan's rice harvest is in full swing, with farmers actively working to ensure a successful yield [24][26] - The county has implemented a "early specialized and late optimized" planting model, completing a grain sowing area of 1.265 million mu [26]

Core Viewpoint - Shandong province is transforming its agricultural practices from traditional reliance on natural conditions to a technology-driven approach, enhancing food security through innovative methods and comprehensive management of saline-alkali land [1][2][5]. Group 1: Saline-Alkali Land Management - Shandong has nearly 9 million acres of saline-alkali land, which is being utilized as a potential resource for food security [2]. - The province has adopted a strategy that emphasizes ecological priorities and tailored solutions for different regions, focusing on soil improvement and resource utilization [4][5]. - Innovative techniques, such as the "dual-layer drainage" method in Dongying, have significantly reduced soil salinity, enabling previously unproductive land to be cultivated [4][5]. Group 2: Seed Industry Revitalization - The seed industry is considered the "chip" of agriculture, and Shandong is making strides in seed resource protection and innovation [6][8]. - Notable breakthroughs in breeding salt-tolerant crops have been achieved, with varieties like "Lu Dan 510" showing high yield and resilience [6][8]. - The provincial government has implemented policies to support seed industry revitalization, ensuring a robust foundation for agricultural modernization [8]. Group 3: Food Waste Reduction - Shandong is focusing on reducing food waste through improved practices in harvesting, storage, and processing [9][10]. - Initiatives include training farmers on safe harvesting techniques and utilizing smart storage facilities to maintain grain quality [9][10]. - The integration of technology in grain storage, such as temperature monitoring and ventilation systems, enhances food preservation and reduces losses [10]. Group 4: Comprehensive Food Security Strategy - Shandong's approach combines land management, seed innovation, and waste reduction to create a sustainable food security system [10]. - The province's efforts not only strengthen its own food supply but also contribute valuable insights for food security on a national and global scale [10].

Core Viewpoint - Jilin Province plays a crucial role in China's food security, maintaining a stable grain production of over 800 billion jin during the 14th Five-Year Plan period, ranking first in grain yield among major producing provinces for three consecutive years and fourth in total grain production nationwide [1] Group 1: Grain Production Strategies - Strategy One: River and Lake Connectivity (Irrigation through connecting rivers and lakes) - The construction of canals and the opening of hundreds of wetland areas have enabled irrigation for millions of acres of farmland [2] - Strategy Two: Saline-Alkali Land Management (Improving saline-alkali land) - The use of microbial agents and water to reduce salinity and alkalinity by 20% over five years, transforming barren land into arable land [4] - Strategy Three: Straw Soil Conservation (Returning straw to the soil) - Utilizing crushed straw to retain moisture and protect the black soil, with 40 million acres of farmland benefiting from this practice [5] - Strategy Four: High-Standard Farmland Construction (Integrating small fields into larger ones) - Enhancing connectivity for efficient operation of large machinery, thereby increasing productivity [6][7] - Strategy Five: Smart Agriculture (Utilizing satellite technology for monitoring) - Implementing satellite systems to monitor soil moisture and manage agricultural practices effectively [9] Group 2: Overall Approach - The strategies emphasize adaptability to local conditions and a commitment to national food security, ensuring the protection of black soil resources [11]

Core Insights - The innovative practice of "photovoltaics + ecology" in Dongying addresses the development paradox of fragile ecological areas by transforming saline-alkali land into a renewable energy base, achieving over 2 billion kilowatt-hours of annual electricity generation [1][2] Group 1: Ecological Restoration and Energy Production - Dongying utilizes the unique characteristics of saline-alkali land, where photovoltaic panels reduce surface evaporation by 40% and increase soil moisture by 15%-20%, creating a suitable environment for salt-tolerant plants [2] - The "fishing and solar complementarity" model allows for dual use of water resources, with a 100 MW project generating 120 million kilowatt-hours annually, saving 36,000 tons of standard coal and increasing fish and shrimp yield by 30% [2] Group 2: Economic Benefits and Ecological Safety - By June 2025, investments in saline-alkali photovoltaic projects in Dongying are expected to exceed 8 billion yuan, creating over 5,000 jobs, with local farmers earning an additional 24,000 yuan annually [3] - Strict adherence to ecological protection principles ensures that photovoltaic projects do not encroach on core wetlands or affect the Yellow River's flood flow, maintaining a harmonious relationship with the national nature reserve [3] Group 3: Technological Innovation and Long-term Governance Challenges - Dongying faces challenges such as long soil improvement cycles, high initial costs, and the need for integrated technology for photovoltaic panel maintenance and pest control [4] - The strategy to overcome these challenges involves a dual approach of technology and mechanisms, including collaboration with research institutions and establishing a benefit-sharing model for ecological restoration [4]