山西左云：一粒玉米的"四季剧本"折射高寒地区农业出路 中新网大同11月21日电 (李新锁 冀利芬)从春到冬，地处塞北高原的山西省大同市左云县用一粒玉米的 四季轮回，探索着高寒地区的农业出路。 从春耕的科技育种到秋收的机械抢收，从夏天的精细管理到冬藏的科学谋划，左云县和隆源农牧专业合 作社(简称"和隆源合作社")以全链条升级破解传统农业困局，为乡村振兴注入了持久动能。 优种先行破解"看天吃饭" 每年3月，左云县的寒意尚未褪去，和隆源合作社的田地里已是一片忙碌。合作社依托独特的冷凉气候 和充足光热资源，联合左云县农业农村局筛选适应性强的高产玉米品种，为玉米出苗保驾护航。 种植户贾晓杰说："过去我们单纯凭经验选种，产量忽高忽低，近些年，我们通过对比实验选择优良的 适合当地气候的品种，亩产量大幅度提高。" 春耕时节，农业机械组团出动：深耕深松机打破犁底层，提升土壤保水能力；精量播种机按照预设行 距、株距精准下种，配合全膜覆盖技术锁住墒情。机械化播种不仅提升了效率，更实现了"种肥同播"， 为玉米全周期生长打下好底子。 机械作业助力"夏管"精准细致 入夏后，玉米进入拔节期，合作社的田间管理全面转向"精细化"。无人机搭载液 ...

Group 1: Wheat Harvest in Xinjiang - The mechanization and straw recycling in Qitai County, Xinjiang, have significantly improved harvest efficiency and increased farmers' income [1][3] - In Qitai County, a total of 660,000 acres of wheat were planted this year, with the harvesting process nearing completion [5] Group 2: Winter Jujube Harvest in Tiemenguan - The winter jujube harvest in Tiemenguan City is currently at its peak, with farmers actively engaged in picking, sorting, and packaging [4][7] - The jujube industry in Tiemenguan has developed since 2011, leveraging sunlight and temperature differences to produce high-quality fruit, with daily harvests reaching up to 15 tons [7] Group 3: Leek Flower Harvest in Shanxi - In Yuncheng, Shanxi, villagers are busy harvesting leek flowers from a 5,000-acre planting area, which has a history of over 40 years [8][9] - The harvesting period for leek flowers lasts about 20 days, with production ramping up in local processing enterprises as the flowers come to market [9] Group 4: Barley Harvest in Sichuan - In Sichuan, approximately 600,000 acres of barley are being harvested, primarily in Ganzi, with advanced machinery facilitating efficient operations [10][12] - The mechanization level for crop farming in Ganzi County has reached 74%, supported by significant investment in promoting high-quality seed varieties and advanced planting techniques [12][14]