藏粮于地：盐碱地破"碱"重生 盐碱地既是亟待唤醒的耕地后备资源，更是保障粮食安全的"潜在粮仓"。山东拥有的近900万亩盐碱 地，使其成为探索盐碱地治理路径的"天然试验场"。 从"靠天吃饭"到筑牢"齐鲁粮仓" 山东用"芯"端稳饭碗 中新网济南9月25日电(李欣 李明芮 孙婷婷)从与黄河三角洲盐碱荒滩艰苦博弈，到在一粒种子间寻求关 键突破，再到向产业链全程要效益、挖掘"无形良田"，山东保障粮食安全的步履沉稳而有力，系统性筑 牢"齐鲁粮仓"。这条从"靠天吃饭"到"科技赋能"的扎实路径，彰显了山东作为农业大省的担当。 "春天白茫茫，夏天水汪汪，十年九不收，糠菜半年粮！"黄河入海口流传的这句顺口溜，曾是农民与盐 碱地抗争的苦涩注脚，也凸显了盐碱地治理的困境。 如今，盐碱地的命运正被改写。山东省农业农村厅副厅长王敬东介绍，山东将盐碱地综合利用纳入黄河 重大国家战略，探索出一条"生态优先、因地制宜、种地相适、多元利用、科技支撑"的盐碱地综合利用 新路径。 2025年6月，在东营市东营区辛店街道唐家村股份经济合作社盐碱地麦田，农机手驾驶收割机抢收 小麦。刘智峰 摄 循着分区分类的治理思路，山东为不同区域量身定制土壤改良、地力 ...

【秘籍二】碧水洗盐术（盐碱地治理）。 撒菌剂为粉，布腐质为阵，机械冲刷，以水化碱。五年间，可降盐碱两成，昔日荒地变良田。 【秘籍三】秸秆固土阵（秸秆还田保护性耕作）。 碎秸秆，还耕田，保墒蓄水，为黑土"盖被"，再施深松整地、水肥一体。4000万亩良田用此招，保护"耕地中的大熊猫"。 央视网消息：在我国的粮食安全版图中，吉林省一直扮演着举足轻重的角色，是国家粮食安全的"压舱石"之一。 "十四五"期间，吉林粮食产量连续4年稳定在800亿斤以上，单产连续3年居粮食主产省第1位，持续稳坐全国粮食总产量第4位，一连串硬 核数据诠释着"粮食优等生"的担当。接下来，让我们共同解锁吉林的"增粮秘籍"。 词话"十四五"：解锁吉林"增粮秘籍" 【秘籍一】河湖连通诀（河湖连通，引水灌溉）。 开沟渠，引活水，打通湖泡湿地数百处，灌溉农田千万亩。 【秘籍五】卫星巡田眼（智慧农业）。 悬卫星，探墒情，智慧农业天地呼应，耕种管收皆有章法，一屏掌控农情。 增粮"秘籍"贵在因地制宜，胸怀"国之大者"，守护黑土粮仓。 【秘籍四】破阵归一式（高标准农田建设）。 缀小田为大亩，路相通，渠相连，利于大型机械标准作业，效率倍增。 ...

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]

Core Viewpoint - The company, Qinghai Bensheng Grass Industry Co., Ltd., has successfully transformed saline-alkali land into productive agricultural land through mechanized farming and innovative seed breeding techniques, leading to significant improvements in crop yield and quality [1][2][3]. Group 1: Company Development - Since its establishment in 2020, the company has developed nearly 70,000 acres of forage land, producing various crops including alfalfa and oats, with an expected output of nearly 50,000 tons of grass products and an annual output value of approximately 70 million yuan in 2024 [1]. - The company has improved over 30,000 acres of lightly saline-alkali land and over 25,000 acres of moderately to heavily saline-alkali land, achieving a reduction in soil salinity by 40% to 50% [3]. Group 2: Technological Innovation - The company has invested nearly 80 million yuan in modern agricultural machinery, implementing a fully mechanized operation from planting to harvesting, which significantly enhances production efficiency and reduces labor costs [5][4]. - Advanced technologies such as satellite navigation systems, mobile app management, and drone monitoring are utilized to optimize agricultural practices, resulting in a 15% increase in soil moisture content and an 85% seedling emergence rate for oats [7][5]. Group 3: Market Position - The company benefits from the local climate, which allows for rapid drying of harvested grass, giving its products a competitive edge in the market, with drying times of 3 to 4 days compared to 15 days in neighboring provinces [9]. - The high-quality forage produced is primarily sold to regions such as Yunnan, Gansu, Ningxia, and Tibet, with a market price increase of over 100 yuan per ton compared to the previous year [10]. Group 4: Community Engagement - The company has established cooperative agreements with local village collectives, distributing over 5 million yuan in land rent and profit-sharing to villagers, thereby integrating industrial development with rural revitalization [11].

Core Viewpoint - The China-Central Asia Saline-Alkali Land Technology Innovation and Cooperation International Academic Exchange Conference was held in Xinjiang, focusing on technological innovation and cooperation in saline-alkali land management and sustainable agricultural development [1][2]. Group 1: Conference Overview - The conference gathered nearly 200 experts and representatives from research institutions, universities, and enterprises from China, Kazakhstan, Uzbekistan, and Tajikistan [1]. - The event aimed to promote the efficient use of saline-alkali land resources in China and Central Asia, improve regional ecological environments, and ensure food security and social stability [2]. Group 2: Saline-Alkali Land Management - China has approximately 500 million acres of saline-alkali land, with Xinjiang accounting for 36.8% of the total saline soil area in the country, indicating significant potential for development and improvement [1]. - The China Agricultural Academy plans to focus on key technologies such as saline-alkali land improvement, biological breeding, and smart irrigation, conducting a series of cutting-edge research and integrated demonstrations [1]. Group 3: International Collaboration - The China Agricultural Academy's Western Agricultural Research Center signed memorandums of understanding with research institutions from Uzbekistan and Kazakhstan to collaborate in areas such as saline-alkali land management, livestock breeding, food safety, and international education [2]. - The aim of these collaborations is to share technologies and achieve higher yields at lower management costs [2].

Core Viewpoint - The article highlights the significant advancements in the forage industry in Delingha City, Qinghai Province, focusing on the successful cultivation of high-quality alfalfa in saline-alkali land, which is crucial for the development of the local grass and livestock industry [1][2]. Group 1: Company Achievements - Qinghai Bensheng Grass Industry Co., Ltd. has made notable progress in cultivating alfalfa in saline-alkali soil, achieving a dry grass yield of 200 kg per mu for the first cut and over 700 kg per mu annually [1][3]. - The company has developed alfalfa varieties with a crude protein content exceeding 20% and a feeding value above 180, significantly enhancing forage quality [1][2]. - Bensheng Grass Industry has established a collaborative innovation mechanism with universities and research institutions, leading to breakthroughs in alfalfa seed selection and planting techniques [2]. Group 2: Industry Development - Delingha City has implemented a comprehensive development plan for the forage industry, aiming to transform saline-alkali land into productive agricultural areas by utilizing abandoned and low-yield lands for planting high-quality forage crops [2][3]. - The city anticipates that by 2025, the total area for various forage crops will reach 125,600 mu, with alfalfa covering 45,000 mu, contributing to a total forage production of 53,800 tons valued at 8.2 million yuan in 2024 [3]. - The local government has introduced policies to support the integration of the forage industry with research, branding, and tourism, promoting a vertical integration model [2][3]. Group 3: Environmental Impact - The cultivation of forage crops has improved soil structure, enhanced wind and water conservation, and mitigated the trends of desertification and salinization in the region [3][4]. - The availability of quality forage supports the sustainable development of livestock farming, meeting the needs of approximately 27,000 yaks or 100,000 Tibetan sheep, thereby reducing pressure on natural grasslands [4][5]. - The company has successfully reduced soil salinity by 40%-50% through innovative agricultural practices, significantly increasing dry grass yields from 120 kg to 450 kg per mu [3].

Core Insights - The Coastal Group's Changdong Land Improvement Project has achieved significant success in transforming saline-alkali land into productive farmland, with wheat yields averaging 989.1 jin per mu, setting a new record in Jiangsu province [1][3]. Group 1: Project Overview - The Changdong project is located in a typical coastal saline-alkali area, characterized by low fertility and high salinity levels, making it challenging for crop production [2]. - The project utilized a tailored approach involving collaboration with research institutions to develop a comprehensive soil improvement strategy [2]. Group 2: Agricultural Yield Improvements - In the 2023-2024 season, the project achieved rice yields of 1144 jin per mu, a 6% increase compared to conventional improvement areas, and rapeseed yields of 421.9 jin per mu, up nearly 30% [3]. - Despite adverse weather conditions in the 2024-2025 season, the project still recorded impressive yields, with rice at 1012 jin per mu (27.5% increase) and wheat at 989.1 jin per mu (13.8% increase) [3]. Group 3: Technological Advancements - The success of the Changdong project represents a breakthrough in technology for saline-alkali land management, establishing a comprehensive soil quality evaluation system and a targeted improvement model [4]. - The Coastal Group plans to standardize and disseminate these technological achievements for broader application in saline-alkali land improvement, aiming for an average yield increase of over 15% in future projects [4].

Core Viewpoint - The article highlights the transformation and modernization of the Hetao Irrigation District in Inner Mongolia, focusing on water management, salinization issues, and agricultural innovations to enhance productivity and sustainability [1][2][3][4] Group 1: Water Management Innovations - The Hetao Irrigation District has implemented a real-time monitoring system with 1,284 communication stations and 2,141 data monitoring points, allowing for 24-hour dynamic monitoring of water levels and flow [2] - Water usage is now charged based on actual consumption rather than a flat rate per acre, leading to an estimated annual water savings of approximately 160 cubic meters per acre [2] Group 2: Agricultural Practices and Salinization Issues - Nearly half of the 13.7 million acres of arable land in Bayannur City is affected by salinization, making it the region with the largest area of saline-alkali land in Inner Mongolia [1] - The district has shifted from traditional irrigation methods to a more efficient "water-saving" approach, integrating high-standard farmland construction with saline-alkali land utilization and technological innovation [1][3] Group 3: Saline-Alkali Land Management - The management strategy for saline-alkali land has evolved to include ecological conservation areas, allowing for the natural movement of salts and improving land quality [3] - After comprehensive management, the quality of saline-alkali land has improved, with salt content reduced by 0.2-0.3 percentage points and crop yields increased by over 15% [3] Group 4: Future Development Plans - The future strategy for the Hetao Irrigation District emphasizes water conservation, balanced spatial development, and systematic governance, with a target of improving 302,000 acres of saline-alkali land this year [4]