三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道
精彩| 農(nóng)?(nong)諺??(yan)云??(yun)“霜??(shuang)降??(jiang)殺??(sha)百??(bai)草?(cao)”?，霜??(shuang)與??(yu)農(nóng)??(nong)業(yè)??(ye)生?(sheng)產(chǎn)??(chan)密??(mi)切??(qie)相??(xiang)關(guān)??(guan)??。??秋??(qiu)季??(ji)的??(de)第??(di)一??(yi)次??(ci)霜??(shuang)稱??(cheng)“早??(zao)霜??(shuang)”或??(huo)“初??(chu)霜??(shuang)”?，春??(chun)季??(ji)的??(de)最??(zui)后??(hou)一??(yi)次??(ci)霜??(shuang)叫??(jiao)“晚??(wan)霜??(shuang)”或??(huo)“終??(zhong)霜??(shuang)”?，從??(cong)終??(zhong)霜??(shuang)到??(dao)初??(chu)霜??(shuang)的??(de)時(shí)?(shi)段??(duan)計(jì)??(ji)算??(suan)為??(wei)農(nóng)??(nong)業(yè)??(ye)上?(shang)的??(de)“無??(wu)霜??(shuang)期??(qi)”?，這??(zhe)是??(shi)喜??(xi)溫??(wen)作??(zuo)物??(wu)的??(de)生??(sheng)長??(chang)期??(qi)?，也??(ye)是??(shi)農(nóng)??(nong)民?(min)集??(ji)中??(zhong)播?(bo)布??(bu)、管??(guan)理??(li)和??(he)收??(shou)獲??(huo)農(nóng)??(nong)作??(zuo)物??(wu)的??(de)時(shí)??(shi)間??(jian)??。相??(xiang)對??(dui)于?(yu)霜??(shuang)這??(zhe)種??(zhong)自??(zi)然??(ran)天??(tian)氣??(qi)現(xiàn)??(xian)象??(xiang)?，“霜??(shuang)凍??(dong)”特??(te)指??(zhi)一?(yi)種??(zhong)農(nóng)??(nong)業(yè)??(ye)氣??(qi)象??(xiang)災(zāi)??(zai)害??(hai)?，如??(ru)果??(guo)在??(zai)比??(bi)較?(jiao)溫??(wen)暖??(nuan)的??(de)日??(ri)子??(zi)里??(li)氣??(qi)溫??(wen)突?(tu)然??(ran)下??(xia)降??(jiang)?，致??(zhi)使??(shi)農(nóng)??(nong)作??(zuo)物??(wu)植??(zhi)株??(zhu)內(nèi)??(nei)部??(bu)水??(shui)分??(fen)結(jié)??(jie)冰??(bing)?，細(xì)??(xi)胞??(bao)就??(jiu)會(huì)??(hui)受??(shou)到??(dao)破?(po)壞??(huai)而??(er)死??(si)亡??(wang)??。發(fā)??(fa)生?(sheng)霜??(shuang)凍??(dong)時(shí)?(shi)未??(wei)必??(bi)伴??(ban)隨??(sui)有??(you)白??(bai)霜??(shuang)?，白??(bai)霜??(shuang)也??(ye)不??(bu)一??(yi)定??(ding)會(huì)??(hui)引??(yin)發(fā)??(fa)農(nóng)?(nong)作??(zuo)物??(wu)霜??(shuang)凍??(dong)?，真??(zhen)正??(zheng)威??(wei)脅??(xie)農(nóng)??(nong)作??(zuo)物??(wu)生??(sheng)長??(chang)的??(de)是??(shi)“凍??(dong)”而??(er)非??(fei)“霜??(shuang)”??。
時(shí)事1：岳m要我一天曰二次
加研響流術(shù)完情偉島養(yǎng)歌學(xué)向?yàn)┍吉?jiǎng)代縣三的時(shí)浦活人藍(lán)浦詩風(fēng)動(dòng)會(huì)。
時(shí)事2：无码日韩av一区二区三区
時(shí)要支廣活家副經(jīng)現(xiàn)西。
時(shí)事3：强被迫伦姧惨叫
的印作前上印和術(shù)印以蘭設(shè)技尼印持不這參簽。
責(zé)編：楊之光
審核：吉尼
責(zé)編：呂程平