今日要闻

杭城要来一“雪”前耻 观景同时更要做好农业防护

2018-01-23 14:05:25 来源:农机网 阅读量:45807 评论

导读:据杭州市气象台预计,2018年1月23日冷空气驾到,大可能性是25日前后杭城会有降雪天气出现。中国天气网8-15天中长期预报显示,“杭州要连下8天雪”。

  【中国农机网 本站原创】据杭州市气象台预计,2018年1月23日冷空气驾到,大可能性是25日前后杭城会有降雪天气出现。中国天气网8-15天中长期预报显示,“杭州要连下8天雪”。
 
  什么?杭州要持续一周的降雪天气?别说是下8天雪,据市气象台统计,从历*看,杭州连续3天以上出现降雪的次数都很少。面对许久不见的大雪,杭州各地也都在紧急部署保障农作物安全过冬,那么风雪天气对农业到底有什么影响,农民又该如何应对呢?

 
  降雪对农业的影响
 
  2018年1月上旬,我国中东部地区出现入冬以来大范围雨雪降温天气过程。总的看,此次降水降温利于冬麦区土壤补墒,缓解部分麦田表墒不足,增强小麦抗寒能力,对小麦安全越冬十分有利,但也造成局部晚播弱苗轻微受冻,局地暴雪易造成设施蔬菜大棚受损
 
  对于宁夏等中南部农牧业地区,此次降雪有利于增加土壤水分,缓解了部分山区早期旱情,对中南部山区春小麦、豆类播种较为有利。此外,降雪有利于促进冬小麦和多年生牧草正常返青。但降雪易造成灌区低洼地地表土壤湿度增加,不利于春播,延长播种期,并易造成日光温室、设施大棚等因积雪增重使棚膜受损或设施倒塌。
 
  综上可以看出,降雪对小麦、土豆等田间农作物来说大有裨益,但是对设施农业造成的危害往往是严重的。1月上旬,渭南市出现一次强降雪天气过程,降雪量大、时间集中,对设施农业影响较大。据初步统计,全市设施农业受灾近40782亩,直接经济损失上亿元。
 
  杭州按照全省现代农业绿色发展和人民生活多元化的需要,着力推进绿色品种选育审定推广,加强绿色产品的供给。其中,大棚蔬菜种植的农业基础设施必不可缺。面对即将到来的风雪天气,菜农要做好万全防护工作,以免措手不及。
 
  面对风雪 设施农业防护工作需全面
 
  ?首先是增强防范意识。今年1月上旬的大雪,对于渭南来说,可谓是十年不遇,虽然气象部门、电视台等媒体多次发布黄色暴雪预警,但都未能引起农户重视;并且对于大棚设施,多数农户也不注重日常维护,例如未及时更换老旧构件、破损棚膜,未配备除雪工具和灾后棚体支撑工具等,防范意识淡薄。在杭州大雪还未到来之前,杭州农户不要抱有侥幸心理,一定要将设施农业的防范工作做到全面。
 
  ?其次是大棚物理防护。在雨雪过程来临前及时加固大棚,以免风雪来临钢架大棚支撑力度不够,压塌大棚;同时还要做好大棚温湿管理工作,当室外温度低时,有温室调控条件的设施,注意适时增温降湿。简易大棚可适当选用覆盖物以增加棚内温度防受冻;若部分地区雨雪量较大,有造成大棚内外积水的可能,因此需提前在大棚四周挖深沟,防止雪水倒渗进棚内,还可以增加棚内湿度,减少蔬菜采收时的损失。
 
  ?后当风雪到来,要及时巡查、清除棚顶积雪,尤其要注意加强夜间除雪,避免积雪过厚压塌棚室,造成损失;另外,雨雪天气造成部分道路运输受阻,难免会影响蔬菜等鲜活农产品的运输,因此做好农产品的保鲜储存工作也非常必要。
 
  还记得上个月的杭城下了一场被众网友嘲笑的“头皮屑”一样的雪吗?相信这次大雪的到来,肯定可以一“雪”前耻。大家在迫不及待想要去西湖看雪的同时,还要做好设施农业的防护,以免雪灾到来猝不及防。
我要评论
文明上网,理性发言。(您还可以输入200个字符)

所有评论仅代表网友意见,与本站立场无关。

产品推荐 更多

[{"ID":"2750757","Picture":"15503715273aa74d2bfac02a08780dd34123d2dfb70d8c25f8e17a24a42b02d4acca206c855b5e8e.jpg","PictureDomain":"img69","Name":"远程监控硫酸报警器","Type":"申安","Descrip":"工厂仓库远程监控硫酸报警器什么叫变频调速技术,它是一种以改变电机频率和改变电压来达到电机调速目的的技术。大家都知道,目前,无论哪种机械调速,都是通过电机来实现的。从大范围来分,电机有直流电机和交流电机。过去的调速,多数用直流电机,由于直流机调速容易实现。但直流机固有的缺点:滑环和碳刷要经常拆换,给人们带来太大的麻烦。因此有人就想,如果把可靠简单的笼式交流电机用来调速那该多好。因而就出现了定子","CompanyName":"济南申安电子科技有限公司","CompanyID":"128861","MarketPrice":"0","PsOrder":"0","PgID":"110","MaxOrder":"0","CityID":"147","City":"济南市","Address":"济南市","PropertysValue":"","HitNumber":"79","FrontShow":"0","IsCharges":"1","Year":"1","StarNum":"3","UpdateAndClientSort":"51157447","StandUrl":"/st128861","UpdateTime":"2024/3/19 5:27:12","TodayIsUpdate":"1","AttType":"0","AttState":"3","AttAddType":"0","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"21002","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00","IndustrySort":"1020000","HasPicSort":"102750757","UserID":"141850","PriceType":"0","PictureID":"1685250","CompanyTypeID":"5","Tag":"","LinkMan":"田雨","TelPhone":"86-0531-62325085","ClassName":"其他","ComProduct":"可燃气体检测仪、可燃气体报警器、天然气检测仪、天然气报警器、便携式气体检测仪","BrandNameCH":"","IsShow":"1","MarketPrice2":"0","RetailPrice":"0","ComHitnumber":"21664","MarketUpdateTime":"","CreateTime":"2023/5/24 19:21:27","Flag":"1","PackageName":"营销宝会员","ClientSort":"0","CsName":"","Reprint":"2","FeedBackMsg":"","EnUrl":"","MobilePhone":"13082753136"},{"ID":"2774760","Picture":"15503715273aa74d525a68a704b525b90e96b1389c6ec7e35ab00c0b48ba801d28848535cb111f3a.png","PictureDomain":"img71","Name":"养鱼池清淤车多少钱","Type":"TJZ5311TWCF1","Descrip":"河道清淤车-功能齐全,占地面积小分离出的清水可用户浇花、景观等适用,达到国家排放标准要求。先进的自动搅拌加药系统,进水与药粉量自动匹配、自动按比例移动性强,移动时灵活轻便,可以移至到所需要的地方,功能齐全,占地面积小,投资成本低,该车相当于小型的污泥处理厂。","CompanyName":"天津嘉中科技发展有限公司","CompanyID":"129588","MarketPrice":"0","PsOrder":"0","PgID":"110","MaxOrder":"0","CityID":"2","City":"天津市","Address":"天津市","PropertysValue":"","HitNumber":"46","FrontShow":"0","IsCharges":"1","Year":"1","StarNum":"1","UpdateAndClientSort":"51157443","StandUrl":"/st129588","UpdateTime":"2024/3/19 5:23:01","TodayIsUpdate":"1","AttType":"0","AttState":"3","AttAddType":"3","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"21002","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00","IndustrySort":"1020000","HasPicSort":"102774760","UserID":"142577","PriceType":"0","PictureID":"1711668","CompanyTypeID":"5","Tag":"","LinkMan":"刘女士","TelPhone":"86-022-13820166835","ClassName":"其他","ComProduct":"污泥脱水车,污水净化车,固液分离车,干湿分离车","BrandNameCH":"","IsShow":"1","MarketPrice2":"0","RetailPrice":"0","ComHitnumber":"12537","MarketUpdateTime":"","CreateTime":"2023/7/8 7:54:28","Flag":"1","PackageName":"营销宝会员","ClientSort":"0","CsName":"","Reprint":"2","FeedBackMsg":"","EnUrl":"","MobilePhone":"13820166835"},{"ID":"2920550","Picture":"mt0003/5d3f81e4a4eb260b5008849f8e884d92d9367d3faf272e9399758af615768bed697913131b88b229.jpg","PictureDomain":"img49","Name":"威海坤科涡轮流量计价格","Type":"KLWQD","Descrip":"尾气检测线涡轮流量计应用是一种精密流量测量仪表,与相应的流量积算仪表配套可用于测量浙大鸣泉、华燕、安车、南华等汽车尾气检测流量计的校验。","CompanyName":"威海坤科流量仪表股份有限公司","CompanyID":"135289","MarketPrice":"0","PsOrder":"0","PgID":"110","MaxOrder":"0","CityID":"156","City":"威海市","Address":"威海市","PropertysValue":"","HitNumber":"34","FrontShow":"0","IsCharges":"1","Year":"1","StarNum":"1","UpdateAndClientSort":"51157443","StandUrl":"/st135289","UpdateTime":"2024/3/19 5:23:17","TodayIsUpdate":"1","AttType":"0","AttState":"3","AttAddType":"3","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"21002","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00","IndustrySort":"1020000","HasPicSort":"102920550","UserID":"148279","PriceType":"0","PictureID":"1831603","CompanyTypeID":"5","Tag":"","LinkMan":"刘方丽","TelPhone":"","ClassName":"其他","ComProduct":"流量计,流量仪表,仪表,温度、压力传感器","BrandNameCH":"","IsShow":"1","MarketPrice2":"0","RetailPrice":"0","ComHitnumber":"501","MarketUpdateTime":"","CreateTime":"2024/3/1 7:39:06","Flag":"1","PackageName":"营销宝会员","ClientSort":"0","CsName":"","Reprint":"2","FeedBackMsg":"","EnUrl":"","MobilePhone":"18363173099"},{"ID":"2890948","Picture":"mt0002/af017ffa813aac39d14bdde7ab9260289835a2c7371ca54a9be3aea3b29f9fd11abce586fb3c8e81.jpg","PictureDomain":"img67","Name":"清水自吸泵厂家","Type":"","Descrip":"自吸泵 卧式自吸泵适用于化工、石油、制药、采矿、造纸、纤维、浆料、纺织、食品、电厂及市政排污工程、公共设施排污、河塘养殖等行业","CompanyName":"浙江凯巨泵阀有限公司","CompanyID":"133783","MarketPrice":"0","PsOrder":"0","PgID":"110","MaxOrder":"0","CityID":"101","City":"温州市","Address":"温州市","PropertysValue":"","HitNumber":"42","FrontShow":"0","IsCharges":"1","Year":"1","StarNum":"1","UpdateAndClientSort":"51157443","StandUrl":"/st133783","UpdateTime":"2024/3/19 5:23:11","TodayIsUpdate":"1","AttType":"0","AttState":"3","AttAddType":"3","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"21002","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00","IndustrySort":"1020000","HasPicSort":"102890948","UserID":"146773","PriceType":"0","PictureID":"1802387","CompanyTypeID":"5","Tag":"","LinkMan":"叶勇","TelPhone":"","ClassName":"其他","ComProduct":"泵,阀门,机械设备,水泵控制柜制造","BrandNameCH":"","IsShow":"1","MarketPrice2":"0","RetailPrice":"0","ComHitnumber":"3084","MarketUpdateTime":"","CreateTime":"2024/1/16 12:30:57","Flag":"1","PackageName":"营销宝会员","ClientSort":"0","CsName":"","Reprint":"2","FeedBackMsg":"","EnUrl":"","MobilePhone":"13587722741"},{"ID":"2931029","Picture":"mt0002/d939ceae0c7984b80ca594d9674927e1926cc83177c65bfbd964a53d725d89131d8f0c43c1f923dc.jpg","PictureDomain":"img48","Name":"遥测雨量传感器工业用","Type":"FM-YD-L","Descrip":"压电式雨量传感器 雨量监测有三种:称重式、翻斗式和虹吸式。虹吸式雨量计利用浮子随水面升高而垂直移动,通过适当的机构带动自记笔在自记纸上移动记录降水总量,适合于人工观测,但虹吸雨量计用在北方时,由于北方易下“泥巴雨”,虹吸管脏后虹吸不正常。翻斗式雨量测量装置及称重式雨量测量装置长期使用时也会受到尘土的影响,产生阻塞问题。因此常规雨量测量装置需要人工定期的维护清理。","CompanyName":"河北飞梦电子科技有限公司","CompanyID":"129609","MarketPrice":"0","PsOrder":"0","PgID":"110","MaxOrder":"0","CityID":"8","City":"邯郸市","Address":"邯郸市","PropertysValue":"","HitNumber":"18","FrontShow":"0","IsCharges":"1","Year":"1","StarNum":"1","UpdateAndClientSort":"51157441","StandUrl":"/st129609","UpdateTime":"2024/3/19 5:21:09","TodayIsUpdate":"1","AttType":"0","AttState":"3","AttAddType":"3","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"21002","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00","IndustrySort":"1020000","HasPicSort":"102931029","UserID":"142598","PriceType":"0","PictureID":"1837858","CompanyTypeID":"5","Tag":"","LinkMan":"张先生","TelPhone":"15716826172 ","ClassName":"其他","ComProduct":"扬尘监测系统","BrandNameCH":"","IsShow":"1","MarketPrice2":"0","RetailPrice":"0","ComHitnumber":"4794","MarketUpdateTime":"","CreateTime":"2024/3/19 5:21:09","Flag":"1","PackageName":"营销宝会员","ClientSort":"0","CsName":"","Reprint":"2","FeedBackMsg":"","EnUrl":"","MobilePhone":"15716826172"},{"ID":"2749580","Picture":"00450ea57bc9bc7d55b554931a143f38605dab0c34a23b6e3623697361ef22663e36754103027eb2.jpg","PictureDomain":"img67","Name":"有功功率表报价","Type":"","Descrip":"S2-334W 数字有功功率表(可设定量程)是宁波市东启电力有限公司产品,是在消化国外进口同类产品的技术基础上,根据我国对电力设备的运行和计算机智能化监控要求而设计的,质量稳定,性价比高。现主要开发的产品有:智能电力仪表、电量变送器、电气火灾探测器、电机智能保护器、微机综合保护装置、双电源自动转换开关、CPS控制与保护开关、负荷隔离开关、真空断路器、高低压成套开关柜其相关附件等,质量过硬,欢迎","CompanyName":"宁波东启电力科技有限公司","CompanyID":"128990","MarketPrice":"0","PsOrder":"0","PgID":"110","MaxOrder":"0","CityID":"100","City":"宁波市","Address":"宁波市","PropertysValue":"","HitNumber":"82","FrontShow":"0","IsCharges":"1","Year":"1","StarNum":"1","UpdateAndClientSort":"51157441","StandUrl":"/st128990","UpdateTime":"2024/3/19 5:21:22","TodayIsUpdate":"1","AttType":"0","AttState":"3","AttAddType":"0","IsSeoCreate":"0","IsOnlinePay":"0","MinPrice":"0.00","MaxPrice":"0.00","ClassID":"21002","productonlinetime":"1900/1/1 0:00:00","OnLineDate":"1900/1/1 0:00:00","DownLineDate":"1900/1/1 0:00:00","BrandPicDomin":"","BrandPicName":"","BrandProperty":"","PBrandID":"0","IsHadVideo":"0","VideoTime":"0","ShowPrice":"0.00","IndustrySort":"1020000","HasPicSort":"102749580","UserID":"141979","PriceType":"0","PictureID":"1671048","CompanyTypeID":"5","Tag":"","LinkMan":"余成明","TelPhone":"0574-83013996","ClassName":"其他","ComProduct":"电流变送器,电压变送器,智能电流表,智能电压表,多功能仪表等。","BrandNameCH":"","IsShow":"2","MarketPrice2":"0","RetailPrice":"0","ComHitnumber":"19995","MarketUpdateTime":"","CreateTime":"2023/5/24 17:55:01","Flag":"1","PackageName":"营销宝会员","ClientSort":"0","CsName":"","Reprint":"2","FeedBackMsg":"","EnUrl":"","MobilePhone":"18958350911"}]