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“洋产品”华丽变身“中国新特产” 凭借高品质种植与中式美食文化圈粉世界
Yang Shi Wang· 2025-08-24 09:25
央视网消息:大小番茄在我们日常生活中都比较常见。除了果实大小不同之外,颜色也呈多样化,包括绿色、黄色、红色等。小番茄和大 番茄之间有什么关系?不同颜色的番茄又有什么区别? 我叫樱桃番茄,很多人也叫我小番茄,别看我小,其实我才是所有番茄的"祖先",现在的大番茄也是由我这样的小个子驯化而来。 我拥有丰富的膳食纤维,可以增加饱腹感,也是很多健身爱好者和运动员喜爱的食物。说了那么多,那你知道我是怎么被培育种植出来的吗? 云南元谋:北纬26° 天然温室育出黄金果 千禧、清甜、红思美……这些可爱的称呼都是我的名字,红、黄、绿、褐、粉……是我的漂亮"外衣"和营养标志。比如,红色有丰富的番茄红 素,绿色维生素C最高,紫色富含花青素。 云南省是我国重要的番茄生产基地之一。云南元谋县位于金沙江干热河谷地带,一年四季都能出产品类丰富的水果蔬菜。小番茄的面积和产量 更是占到了云南省的一半以上,全年有20多个不同品种轮番上市。原产南美洲的小番茄,如何能在当地落地生根、茁壮成长,华丽变身中国式 新特产,具体又有哪些门道和创新? 夏秋小番茄成熟采摘 "掐节留萼"有讲究 云南省元谋县羊街镇百亩连片小番茄种植基地里的小番茄长势喜人、生机勃勃。 ...
新都中学多元力量协同推进科学教育发展
Qi Lu Wan Bao Wang· 2025-06-20 09:24
齐鲁晚报·齐鲁壹点 陈乃彰 通讯员 刘军 王栩晨 为进一步深化科技社团建设内涵,培育兼具人文底蕴与科学精神的复合型人才,6月4日,威海市科普志 愿者协会李盛副秘书长牵头组织跨领域专家团队走进新都中学。环翠区美术馆馆长、中职院校骨干教 师,以及农业技术局退休资深专家等各界精英齐聚一堂,从艺术融合、技术实践、产业应用等多元视 角,为学校科技社团发展注入专业指导力量。 在科技发明社团活动现场,于老师化身"电路魔法师",以电路板、太阳能发电设备为教具,为同学们开 启了一场充满趣味的电学探索之旅。他手持电路板,用通俗易懂的语言讲解电阻、电容的基础原 理:"电阻就像电路里的'交通指挥员',能控制电流的大小;电容则像'小水库',可以储存和释放电 能。" 随后,于老师亲自示范如何使用万用表测量电阻,边操作边强调安全规范与测量技巧,让晦涩的电学知 识变得直观易懂。理论讲解结束后,于老师与同学们展开热烈互动。面对"电阻在生活中有哪些实际应 用"的疑问,他以手机充电器、台灯调光功能为例,剖析电阻调节电流的原理;针对"电容能否替代电池 供电"的好奇,于老师结合电容充放电特性与电池持续供电的差异,引导同学们思考两者的适用场景。 互动中 ...
良种、良法、良机护航夏粮丰收 居民“菜篮子”“果盘子”满满“科技范儿”
Yang Shi Wang· 2025-05-10 08:07
Group 1: Agricultural Innovations in Shanxi - The implementation of 25,000 acres of soybean and corn strip intercropping in Shuozhou City, Shanxi, aims to improve planting methods and stabilize production while increasing income [1] - Local cooperatives are utilizing new technologies and machinery for trial planting, focusing on efficient use of quality seeds, methods, and timing to enhance agricultural productivity [3] - The total crop planting area in the county is 1.16 million acres, with 850,000 acres dedicated to grain crops, and 650,000 acres of corn already sown, with all planting expected to be completed by the end of May [5] Group 2: Innovative Watermelon Cultivation in Jiangsu - In Lianyungang City, Jiangsu, watermelons are being grown using a "hanging cultivation" method, which allows for higher yields and better quality compared to traditional ground planting [6][8] - The hanging method involves grafting watermelon scions onto pumpkin rootstocks, resulting in increased planting density and improved fruit quality, including thinner skin and higher sweetness [8] - The first harvest is expected to yield around 10,000 pounds, with profits per acre increasing by nearly 6,000 yuan compared to traditional methods [10] Group 3: Smart Tomato Farming in Hubei - In Shayang County, Hubei, tomatoes are cultivated in smart greenhouses using soilless cultivation techniques, allowing for multiple harvests within a year [11][13] - The cultivation employs a water and fertilizer integration system that monitors soil moisture and nutrients, ensuring optimal growth conditions [13][16] - The initiative aims to boost local income and employment, with over 30 new jobs created, and the produce is primarily sold to major cities like Shanghai and Shenzhen [15][18]