氣調庫貯藏
qitiaokuzhuzangshitongguojixietiaojiehekongzhizhuzanghuanjingdeqitichengfen,dadaoyanchangguopinzhuzangqi,huodelianghaobaoxianxiaoguodejishucuoshi。qijibenyuanlishiliyongjiaodideyanghejiaogaodeeryanghuatan,shiguoshihuxidaixieyanhuan,yingyangwuzixiaohaojianshao,yibaochiqishangpinzhiliang,yanchangzhuzangshouming。qitiaokudegerexingnengjizhilengshebeiyuchangguilengkuxiangtong,danduiqimixingjitiaoqifangmianyouteshuyaoqiu。qitiaokuduizhenggekufangdeqimixingyaoqiufeichangyange。zaiduimibidekufangchouqihuochongqishi,shiyi100帕的正壓或負壓,若在30分鍾內不恢複到零,方為符合要求。氣調庫一般設兩道門,第一道門為保溫門,第二道門是氣密門。庫房內壁及頂部一般噴塗8厘米~12厘li米mi厚hou的de泡pao沫mo聚ju氨an脂zhi作zuo密mi封feng保bao溫wen層ceng,地di麵mian也ye鋪pu硬ying聚ju氨an脂zhi作zuo氣qi密mi隔ge熱re層ceng,上shang麵mian做zuo鋼gang筋jin水shui泥ni地di麵mian。氣qi調tiao庫ku內nei氣qi壓ya經jing常chang隨sui溫wen度du及ji氣qi體ti成cheng分fen的de變bian化hua而er變bian化hua,如ru果guo庫ku房fang氣qi密mi性xing良liang好hao,其qi結jie構gou有you可ke能neng因yin壓ya力li變bian化hua而er變bian形xing受shou損sun,因yin此ci必bi須xu設she置zhi內nei外wai壓ya力li的de平ping衡heng裝zhuang置zhi。一yi般ban用yong不bu透tou氣qi的de聚ju乙yi烯xi膜mo材cai料liao製zhi成cheng氣qi壓ya袋dai,袋dai子zi的de容rong積ji為wei庫ku容rong的de2%~3%,設在庫外,用管子與庫內相通。當氣壓發生變化時,袋子膨脹或收縮,使庫內外氣壓保持平衡。
氣調貯藏的梨果必須按品種特性適期采收,質量合格,無病蟲,無機械傷害。貯藏溫度因品種而異,一般0℃左右,並要求入貯果盡快達到預定溫度。為此,入庫前必須采取有效的預冷措施,如通入強冷風或用0℃的冰水淋洗,並結合進行防腐、fangbingdeyaowuchuli。qitiaokudewenduyeyaoyuxianjiangzhihuoshaodiyuyudingwendu。yangekongzhizhuzanghuanjingzhongdeqitichengfen。qitizhibiaoyinpinzhongeryousuobutong。qitiaozhuzangdehuanjingzhongdeqitichengfendetiaojie,yishikaoguoshizishendehuxizifatiaojie;二是利用氣調設備人工調節。庫內相對濕度宜保持在90%~95%。氣qi調tiao庫ku必bi須xu有you很hen好hao的de氣qi密mi性xing,同tong時shi又you能neng使shi庫ku內nei氣qi體ti循xun環huan流liu通tong,以yi便bian及ji時shi去qu除chu庫ku內nei貯zhu藏zang果guo實shi產chan生sheng的de揮hui發fa性xing的de有you害hai氣qi體ti。氣qi調tiao庫ku貯zhu果guo期qi間jian,工gong作zuo人ren員yuan進jin庫ku時shi必bi須xu帶dai有you氧yang氣qi麵mian罩zhao,氧yang氣qi罐guan及ji麵mian罩zhao要yao嚴yan格ge檢jian查zha,不bu得de漏lou氣qi。為wei防fang止zhi以yi外wai事shi故gu發fa生sheng,庫ku內nei外wai要yao設she有you報bao警jing裝zhuang置zhi。庫ku內nei有you人ren員yuan工gong作zuo時shi,要yao在zai門men旁pang留liu人ren監jian視shi,以yi確que保bao安an全quan。
棚窖貯藏
建窖。棚窖宜建築在地勢高燥、排水良好、背風向陽的地方,走向以南北方向為宜。用於貯藏鴨梨的棚窖,一般深1.3米,寬4米,長度以貯果量和地形而定。建窖時,先根據棚窖的大小挖土,鏟平窖壁和窖底。然後,在兩端的窖壁和窖底上,挖作一條深、寬各15厘米~20厘米的通氣溝。挖出的窖土,在棚窖邊沿四周壘成高0.5米~1米高的土牆,南側稍高,北側略低,牆厚40厘米左右。窖頂架設木杆,其上鋪蓋厚度20厘米左右的秫秸或玉米秸稈,最後培覆約20厘米厚的土層。窖門向北開設,窖頂和露出地麵以上的窖牆上,挖作方形、圓形或三角形的通風孔,以便冷空氣進入窖內。通風孔的大小,一般為20厘米×20厘米。河北省貯藏鴨梨的棚窖,窖頂通氣孔的大小一般為40厘米×40厘米。
果(guo)實(shi)預(yu)貯(zhu)。供(gong)作(zuo)貯(zhu)藏(zang)的(de)果(guo)實(shi),采(cai)收(shou)時(shi)若(ruo)氣(qi)溫(wen)和(he)果(guo)溫(wen)均(jun)高(gao),需(xu)先(xian)行(xing)預(yu)貯(zhu)降(jiang)溫(wen),然(ran)後(hou)入(ru)窖(jiao)貯(zhu)藏(zang)。晚(wan)熟(shu)品(pin)種(zhong)由(you)於(yu)采(cai)收(shou)時(shi)氣(qi)溫(wen)和(he)果(guo)溫(wen)較(jiao)低(di),一(yi)般(ban)不(bu)需(xu)進(jin)行(xing)預(yu)貯(zhu),可(ke)直(zhi)接(jie)入(ru)窖(jiao)貯(zhu)藏(zang)。預(yu)貯(zhu)時(shi),宜(yi)在(zai)果(guo)園(yuan)中(zhong)高(gao)燥(zao)陰(yin)涼(liang)、通風良好的樹蔭下,築成高出地麵10厘米、寬約1.5米的果畦,畦長視地形和貯果量而定。畦麵整平壓實後,再鋪上一層厚約5厘(li)米(mi)的(de)潔(jie)淨(jing)細(xi)沙(sha)。果(guo)實(shi)入(ru)畦(qi)前(qian),要(yao)把(ba)病(bing)蟲(chong)果(guo)和(he)碰(peng)壓(ya)傷(shang)果(guo)剔(ti)除(chu)。然(ran)後(hou),逐(zhu)果(guo)插(cha)空(kong)擺(bai)在(zai)畦(qi)麵(mian)上(shang)。擺(bai)果(guo)時(shi),果(guo)柄(bing)要(yao)順(shun)向(xiang)一(yi)方(fang)並(bing)向(xiang)下(xia)傾(qing)斜(xie),以(yi)免(mian)果(guo)實(shi)間(jian)相(xiang)互(hu)刺(ci)傷(shang)。擺(bai)果(guo)厚(hou)度(du)一(yi)般(ban)為(wei)10層果高左右,畦中央果堆高60厘米~70厘米,整個果堆成尖圓形。堆好的果畦,白天要搭蓋苫席,傍晚將苫席揭開,使果堆通風、降低果溫。為提高降溫效果,增加果堆內的濕度,預貯初期傍晚揭席通風時,可每隔5天~7天向果堆噴一次清水。噴水量一般每米畦長20千克~25千克即可。經過一個月左右的預貯,待旬平均氣溫下降到15℃以下時,即可入窖貯藏。
果實入窖。經過預貯的中晚熟品種或適期采收的晚熟品種梨果,入窖貯藏前,都要將病蟲果和碰壓傷果剔除幹淨。窖底可鋪一層厚約5厘(li)米(mi)的(de)幹(gan)淨(jing)細(xi)沙(sha),鋪(pu)沙(sha)前(qian),通(tong)風(feng)道(dao)要(yao)先(xian)用(yong)秫(shu)秸(jie)覆(fu)蓋(gai)好(hao),以(yi)免(mian)被(bei)沙(sha)堵(du)塞(sai)。窖(jiao)內(nei)過(guo)於(yu)幹(gan)燥(zao)時(shi),可(ke)在(zai)沙(sha)層(ceng)上(shang)適(shi)當(dang)噴(pen)水(shui),提(ti)高(gao)窖(jiao)內(nei)濕(shi)度(du)。果(guo)實(shi)入(ru)窖(jiao)貯(zhu)藏(zang)時(shi),要(yao)一(yi)層(ceng)層(ceng)地(di)擺(bai)好(hao)。擺(bai)果(guo)高(gao)度(du)50厘米~60厘米,每平方厘米可貯藏200千qian克ke以yi上shang。擺bai果guo實shi時shi,窖jiao內nei要yao留liu有you一yi定ding的de通tong道dao,以yi便bian於yu管guan理li。為wei充chong分fen利li用yong窖jiao內nei空kong間jian,擴kuo大da貯zhu果guo量liang,果guo實shi亦yi可ke箱xiang裝zhuang或huo筐kuang裝zhuang,在zai窖jiao內nei碼ma垛duo貯zhu藏zang。
貯藏管理。利用棚窖貯藏梨果,要作好初、中、housangeshiqideguanli。chuqiguanli,ciqiguanligongzuodezhongxinshijiangwen。yejianyaojiangjiaomenhetongfengkongquanbudakai,yiyinrulengkongqijiangdipengjiaoneidewenduheguowen。baitianzeyaojiangjiaomenhetongfengkongquanbuguanbi,yibaochijiaoneidediwenzhuangtai。zhongqiguanli,zhuzangzhongqi(12月至來年2月),氣(qi)溫(wen)已(yi)顯(xian)著(zhu)低(di)於(yu)果(guo)實(shi)的(de)適(shi)宜(yi)貯(zhu)藏(zang)溫(wen)度(du)時(shi),管(guan)理(li)工(gong)作(zuo)的(de)中(zhong)心(xin)是(shi)保(bao)溫(wen)。為(wei)了(le)防(fang)止(zhi)凍(dong)傷(shang)果(guo)實(shi),要(yao)將(jiang)窖(jiao)門(men)和(he)通(tong)氣(qi)孔(kong)分(fen)批(pi)全(quan)部(bu)關(guan)閉(bi),並(bing)根(gen)據(ju)氣(qi)溫(wen)下(xia)降(jiang)的(de)情(qing)況(kuang),在(zai)窖(jiao)門(men)和(he)通(tong)氣(qi)孔(kong)上(shang)適(shi)時(shi)覆(fu)蓋(gai)草(cao)苫(shan)保(bao)溫(wen)。需(xu)要(yao)通(tong)氣(qi)時(shi),可(ke)在(zai)晴(qing)朗(lang)無(wu)風(feng)天(tian)氣(qi)的(de)中(zhong)午(wu),揭(jie)開(kai)背(bei)風(feng)麵(mian)的(de)通(tong)氣(qi)孔(kong),將(jiang)窖(jiao)內(nei)的(de)濕(shi)熱(re)空(kong)氣(qi)排(pai)出(chu)。後(hou)期(qi)管(guan)理(li),貯(zhu)藏(zang)後(hou)期(qi)(3月~4月),管理工作的中心是通風降溫。這一時期外界溫度和窖內溫度逐漸回升,可以采取夜開門窗、白天關閉的辦法,保持窖內較低的溫度。整個貯藏期間,若窖內相對濕度低於85%時,可向果堆上噴灑清水,以免果實失水皺皮。
運輸
采收或貯藏之後的梨需外運銷售,作好快裝快運、輕裝輕卸是最起碼的要求。裝車之前要徹底檢查車況是否正常,同時對車廂進行徹底地清掃、消毒;裝運的果實必須包裝整齊;butongbaozhuangxiangyingfenkaizhuangyun,pailiezhengqi,zhuyiduifanglaogu,fangzhizaiyunshuguochengzhongyouyuchexiangdehuangdongeryinqidaoduo,yibancaiyongjiaochaduidiehuopinzixingduidie。huoche、輪船運輸堆垛時要留過道,避免擠壓和通風不良;汽車運輸頂部要覆蓋蓬布,避免日曬雨淋;運輸途中應盡量減少中轉次數,縮短運輸時間。根據梨果實的生理特性,在運輸途中對溫、濕度進行及時管理,創造良好的運輸條件,以減少外界環境對果實的影響。
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