盐碱地改良
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黄河三角洲:盐碱地长出“金疙瘩”
Zhong Guo Zi Ran Zi Yuan Bao· 2025-09-04 02:09
Core Insights - The article highlights the transformation of saline-alkali land in Dongying, Shandong Province, into productive agricultural areas, showcasing successful aquaculture and crop production initiatives [1][3][10] Group 1: Agricultural Production - The saline-alkali land in Dongying has been utilized to produce 3.7 billion high-quality seedlings and 30,000 tons of commercial shrimp annually [1] - The brand value of local products such as Yellow River crabs and Yellow River rice has significantly increased, reaching 3.193 billion yuan and 1.157 billion yuan respectively [1] Group 2: Soil Improvement Techniques - New soil improvement techniques have been implemented, including "dark pipe drainage" to effectively remove salt from the soil, reducing water usage from 200 cubic meters to 15 cubic meters per acre [3] - A green governance technology system for saline-alkali land has been established, enhancing efficiency by 70% in salt drainage and achieving over 30% savings in water and fertilizer [3] Group 3: Seed Industry Development - The establishment of the National Saline-Alkali Land Comprehensive Utilization Technology Innovation Center focuses on biological breeding and ecological utilization, involving 48 institutions and over 100 expert teams [5] - An integrated breeding innovation system has been developed, significantly shortening breeding cycles and increasing breeding speed by 2 to 4 times [5] Group 4: Modern Governance Models - The "grass-pasture-garden" model for modern governance of coastal saline-alkali land has shown significant results, improving soil quality and increasing organic matter by approximately 25% [8] - The "three-level utilization" model addresses varying degrees of salinity, promoting crop production and ecological restoration tailored to specific land conditions [10] Group 5: Collaborative Mechanisms - A multi-party cooperation mechanism has been formed involving government, research institutions, enterprises, and farmers to support the comprehensive utilization of saline-alkali land [10] - The government has developed policies and plans to support the transformation of saline-alkali land into productive agricultural areas, integrating it into broader agricultural planning [10]
盐碱地成了丰收地 ——奔盛草业推进农业机械化生产
Jing Ji Ri Bao· 2025-08-25 21:59
Core Viewpoint - Qinghai Bensheng Grass Industry Co., Ltd. has developed into a modern agricultural enterprise focusing on the cultivation of high-quality forage, leveraging advanced agricultural technology and practices to improve saline-alkali land and enhance production efficiency [1][5][9]. Group 1: Company Overview - Established in 2020, the company has developed a forage base of nearly 70,000 acres, producing various crops including alfalfa and oats, with an expected production of nearly 50,000 tons of grass products and an annual output value of approximately 70 million yuan in 2024 [1]. - The company has invested nearly 80 million yuan in modern agricultural machinery, achieving full mechanization from planting to harvesting, which significantly increases production efficiency and reduces labor costs [4][5]. Group 2: Agricultural Innovation - The company has collaborated with research institutions to develop salt-tolerant grass varieties, successfully improving over 10,000 acres of saline-alkali land annually and reducing soil salinity by 40% to 50% [3][7]. - Bensheng Grass Industry has identified eight suitable forage varieties for saline-alkali land, achieving an annual yield of over 700 kg per acre for alfalfa and nearly 400 kg for oat grass [3]. Group 3: Technological Integration - The company employs advanced technology such as Beidou navigation systems and mobile apps for management and control, along with drone monitoring and weather stations to optimize production [5][6]. - The use of a remote-controlled irrigation system allows a single technician to operate multiple machines simultaneously, enhancing operational efficiency [6]. Group 4: Market Positioning - The local climate provides a competitive advantage for drying forage, with a drying time of 3 to 4 days compared to 15 days in neighboring provinces, allowing the company to secure a strong market position [8]. - The demand for high-quality forage has increased, with products primarily sold to regions like Yunnan, Gansu, Ningxia, and Tibet, often facing supply shortages [9]. Group 5: Community Engagement - The company has established cooperative agreements with local village collectives, contributing over 5 million yuan in rent and profit-sharing to local communities, thereby integrating industrial development with rural revitalization [10].
新疆盐碱地变成致富田
Ren Min Ri Bao Hai Wai Ban· 2025-07-14 21:41
Group 1 - The article highlights the successful agricultural practices in Xinjiang, focusing on the improvement of saline-alkali land to enhance crop yields and economic benefits [7][12] - Various innovative techniques are being implemented, such as underground drainage systems and salt-tolerant crop cultivation, which have significantly reduced soil salinity levels [8][11] - The introduction of salt-tolerant plants, like Salicornia, has shown promising results in lowering soil salinity and enabling the growth of traditional crops [10][11] Group 2 - The Xinjiang Production and Construction Corps is actively involved in aquaculture, utilizing saline-alkali water for breeding shrimp and fish, which has become a viable economic activity [4][13] - The cultivation of salt-tolerant oilseed crops has been successful, with yields reaching 157.9 kg per mu in certain regions, demonstrating the potential for sustainable agriculture in saline-alkali areas [12] - The shift in agricultural practices towards coexistence with saline-alkali conditions is being emphasized, with a focus on breeding and cultivating salt-tolerant varieties [12]
辽宁省盘山县实施“盐改水、旱改水” 盐碱地改良成高产田
Ren Min Ri Bao· 2025-07-01 22:08
Core Viewpoint - The "salt to water" and "dry to water" land improvement projects in Panjin County, Liaoning Province, aim to transform low-yield saline and dry land into productive rice paddies, enhancing agricultural output and ecological conditions [1][2][3]. Group 1: Project Overview - The total construction scale of the "salt to water, dry to water" project exceeds 17,800 acres, with an expected addition of 9,784 acres of arable land upon completion [1]. - The project involves land leveling, tilling, organic fertilization, soil composition improvement, and the construction of drainage and irrigation facilities [1][2]. Group 2: Agricultural Transformation - The project aims to control the salt content in the soil to below 1‰ through methods such as deep plowing, soil amendment, and irrigation to wash away salt [2]. - Farmers have reported increased income from transitioning from dry land to water fields, with one farmer noting an increase from 660 yuan per acre to higher earnings from rice and crab farming [3]. Group 3: Economic and Ecological Impact - The transformation of saline and dry land is expected to improve ecological conditions by addressing issues related to the uncontrolled extraction of saline water and excessive chloride discharge [2]. - The project is anticipated to boost local economic development and enhance the income of farmers, contributing to the overall revitalization of rural areas [3].
护好用好我们的土地资源(美丽中国·全国土地日特别报道)
Ren Min Ri Bao· 2025-06-24 22:01
Core Viewpoint - The article emphasizes the importance of land conservation and sustainable agricultural practices, highlighting various successful initiatives in China aimed at restoring degraded land and improving agricultural productivity [7]. Group 1: Land Restoration Initiatives - In Huan County, a total of 1.36 billion yuan has been invested since 2019 to restore 370 erosion gullies, significantly improving land stability and agricultural output [9]. - After comprehensive restoration, nearly 5 acres of previously eroded land were reclaimed, allowing for increased corn planting and reduced operational costs due to mechanization, resulting in an annual income increase of 6,000 yuan for local farmers [10]. - The county has achieved a water and soil conservation rate of 91.95% through innovative management models that involve both enterprises and local farmers [11]. Group 2: Agricultural Innovation - In Jiangxi Province, a previously flooded area has been transformed into a productive corn base, yielding a total output of over 2.7 million pounds, with a single-season yield of 2,500 pounds per acre [12][13]. - The local government has initiated scientific reclamation efforts, increasing soil organic matter from 1.2% to 2.1% and expanding the planting area by over 300 acres [14]. - The introduction of fresh corn cultivation has provided local farmers with multiple income streams, including land rental fees and daily wages from farm work [14]. Group 3: Saline-Alkali Land Improvement - In Dongying City, a comprehensive improvement project for saline-alkali land has led to increased grain yields and enhanced farmer incomes through collective investment and shared profits [15][16]. - The use of real-time data monitoring for soil conditions has improved agricultural practices, allowing for precise irrigation and fertilization [16]. - The introduction of salt-tolerant crop varieties has resulted in significant yield increases, with wheat production exceeding 1,000 pounds per acre in previously unproductive saline-alkali areas [17].
山东打造更高水平粮仓
Jing Ji Ri Bao· 2025-06-02 22:07
Core Insights - Shandong province has successfully transformed saline-alkali land into high-standard farmland, significantly increasing grain production and quality [1][6][9] - The province has built 77.59 million acres of high-standard farmland and developed 53.59 million acres of efficient water-saving irrigation, stabilizing total grain production above 110 billion jin for four consecutive years [1][9] Group 1: Infrastructure Development - The city of Changyi has implemented a comprehensive monitoring system using 5G, IoT, and big data technologies to enhance agricultural management and increase grain production [2][3] - Changyi has established 660,000 acres of high-standard farmland, improving grain production capacity and disaster resistance [3] - The city plans to invest 102 million yuan in 2024 to build 35,000 acres of high-standard farmland, with a goal of constructing and upgrading 300,000 acres this year [3] Group 2: Saline-Alkali Land Management - The management of saline-alkali land in the Yellow River Delta has been prioritized, with a focus on improving irrigation efficiency and reducing soil salinity through innovative techniques [4][6] - The implementation of the "multi-water source coordination" project aims to address water shortages and improve irrigation systems in saline-alkali areas [4] - Shandong has been a pioneer in developing provincial-level policies for the comprehensive utilization of saline-alkali land, with over 2 million acres improved in recent years [6] Group 3: Water-Saving Irrigation Techniques - The introduction of efficient water-saving irrigation systems has significantly reduced labor and water usage in agricultural practices across various regions [7][8] - In Yucheng City, the average yield increase from high-standard farmland is over 100 kg per acre, with a total investment exceeding 700 million yuan since 2019 [8] - Shandong has invested 21.3 billion yuan in the past three years to establish high-efficiency water-saving irrigation demonstration areas covering 28.58 million acres [9]
破“碱”重生 吉林探寻盐碱地变粮仓的“密码”
Yang Shi Xin Wen· 2025-05-26 01:43
Core Viewpoint - The article highlights the innovative approaches taken in Jilin Province to improve saline-alkali land through the cultivation of water bamboo (茭白), which shows significant potential for soil improvement and increased agricultural productivity [2][4][12]. Group 1: Saline-Alkali Land Utilization - Jilin Province has over 6.7 million acres of saline-alkali land, with more than 2 million acres already developed [2]. - The cultivation of water bamboo in saline-alkali areas has demonstrated a decrease in soil pH from an average of 9.32 to 9.0, indicating effective soil improvement [2]. - Water bamboo's extensive root system helps break up soil compaction and enhances organic matter in the soil through the return of straw [6][4]. Group 2: Seedling Cultivation Innovations - The use of substrate seedling cultivation has replaced traditional soil-based methods, utilizing local agricultural waste to create a nutrient-rich growing medium [9][11]. - New substrate seedlings show a 20% increase in root mass and a reduction in the acclimatization period by 3 days compared to traditional methods, with a projected reduction of 100,000 tons in black soil extraction this year [11] [7]. Group 3: Technological Advancements in Agriculture - Advanced techniques, including the use of green biological agents and drones for applying soil amendments, have been implemented to improve the quality of saline-alkali land [13][14]. - Over 100 saline-alkali land management projects have been initiated in Jilin Province, resulting in the addition of over 800,000 acres of arable land and an expected annual increase in grain production of nearly 1 billion pounds [14].