黄河流域盐碱地"变身"丰产田 稻蟹共生蹚出致富新"稻"路 中新网兰州9月29日电 (季桂珍 李飞扬 赵静宜)9月下旬以来，兰州市榆中县青城镇青香蒲高原水稻研究 基地的稻田里，沉甸甸的稻穗随风摇曳，水下肥美的河蟹不时吐出气泡，一幅"稻护蟹、蟹肥稻"的生态 图景徐徐展开。这是当地探索"盐碱地改良+稻蟹共生"模式，让昔日闲置盐碱地焕发新生机的生动写 照。 9月下旬，兰州市榆中县青城镇稻田。李飞扬 摄 "盐碱地种稻养蟹，关键要过'水盐调控'和'品种适配'两道关。"榆中县农业技术推广中心高级农艺师魏 家亮的话，点出了技术核心。在基地田埂上，农技专家们正忙碌着测量水稻的籽粒质量、植株高度及穗 长，既为掌握水稻生长动态与产量潜力提供数据支撑，也为验证稻蟹共生生态系统的稳定性筑牢基础。 相较于普通农田，黄河流域盐碱地因盐分高、保水能力差，对稻蟹共生技术提出了更高要求。"从稻田 改造的'最初一公里'开始，技术指导就贯穿始终。"基地负责人张彤坦言，农技人员的"贴身指导"，是保 障种养成功、实现丰收的关键所在。 眼下，青香蒲高原水稻研究基地已浸在丰收的氛围里，水稻即将开镰、稻田蟹同步丰产的喜悦扑面而 来。田垄间，连片的稻穗褪去青绿 ...

Core Insights - The article highlights the successful implementation of the "rice-crab co-culture" model in Duanting Village, Shanxi Province, which has transformed traditional agriculture into a more profitable and sustainable practice [1][3]. Group 1: Agricultural Innovation - Duanting Village has shifted from traditional crops like corn and ordinary rice to a dual-culture system that includes both rice and crabs, enhancing productivity and sustainability [1]. - In 2022, the village harvested 300,000 pounds of rice and registered the trademark "Daohuiyuan," achieving collective earnings exceeding 1 million yuan by the end of the year [1]. - The introduction of 40,000 crab seedlings into 300 acres of rice fields is expected to increase income by an additional 1,000 yuan per acre, with average income for villagers surpassing 10,000 yuan [1]. Group 2: Environmental and Community Development - The village undertook significant environmental improvements, including cleaning up the riverbanks and replacing open garbage pits with plastic bins, resulting in a cleaner and more attractive landscape [3]. - The transformation of the area has turned it into a popular destination for urban visitors, with activities such as camping and barbecuing becoming common, indicating a shift towards agritourism [3][4]. - The local leadership aims to further develop the agricultural, cultural, and tourism sectors to enhance the village's appeal as a weekend getaway for city residents [6].

Core Viewpoint - The article highlights the ongoing wheat harvest in China, particularly in Shandong province, where advanced agricultural practices and high-quality seed varieties are contributing to increased yields and efficiency in farming operations [1][4][5]. Group 1: Wheat Harvest Progress - As of June 5, over 1.82 million acres of wheat have been harvested nationwide, with the overall progress exceeding 50% [1]. - In Shandong, approximately 60 million acres of wheat are being harvested, with a significant area in Jining's Jiaxiang County yielding a bountiful harvest [1][3]. Group 2: Yield and Quality Improvement - The wheat in Jiaxiang County is reported to have a high yield, with an expected average yield of over 550 kg per acre, which is an increase of 2.47 kg compared to the previous year [3][4]. - The new wheat variety being cultivated is characterized by high yield, cold resistance, and suitability for dense planting, contributing to improved quality and quantity of the harvest [4]. Group 3: Technological Advancements - The use of high-efficiency harvesting machinery allows for rapid collection of wheat, with machines capable of processing 9 to 10 kg of wheat per second [3]. - The average loss rate during harvesting is reported to be between 0.5% and 0.6%, which is considered low, with a target to keep losses under 1% [5]. Group 4: Crop Rotation Practices - Following the wheat harvest, farmers in the region are preparing to plant soybeans, utilizing advanced technology such as unmanned sowing machines to ensure precision in planting [6].