山東省濟陽縣曲堤鎮菜農有在棚內育黃瓜苗的習慣,進入10月yue份fen,眼yan看kan辛xin勤qin培pei育yu的de黃huang瓜gua苗miao就jiu要yao移yi栽zai定ding植zhi了le,可ke有you不bu少shao菜cai農nong因yin掌zhang握wo不bu好hao室shi內nei育yu苗miao的de溫wen度du和he濕shi度du,尤you其qi對dui苗miao期qi如ru何he放fang風feng排pai濕shi掌zhang握wo不bu好hao,往wang往wang造zao成cheng黃huang瓜gua苗miao幹gan葉ye、死棵現象。
近jin日ri,筆bi者zhe在zai濟ji陽yang縣xian曲qu堤di鎮zhen王wang元yuan氣qi村cun王wang懷huai國guo的de大da棚peng裏li,就jiu發fa現xian他ta育yu的de黃huang瓜gua苗miao由you於yu在zai通tong風feng時shi,風feng口kou開kai得de過guo大da,對dui黃huang瓜gua苗miao造zao成cheng了le不bu應ying有you的de損sun害hai。筆bi者zhe在zai他ta的de大da棚peng裏li看kan到dao,營ying養yang杯bei中zhong的de瓜gua苗miao葉ye片pian發fa生sheng幹gan枯ku,葉ye片pian呈cheng水shui燙tang狀zhuang,個ge別bie因yin失shi水shui過guo多duo,已yi開kai始shi出chu現xian死si亡wang。經jing王wang懷huai國guo介jie紹shao,他ta是shi在zai突tu然ran放fang大da風feng後hou出chu現xian這zhe樣yang的de情qing況kuang的de。
在zai黃huang瓜gua育yu苗miao過guo程cheng中zhong,通tong風feng也ye是shi一yi項xiang很hen講jiang究jiu的de技ji術shu,在zai苗miao床chuang上shang通tong風feng主zhu要yao是shi為wei了le調tiao節jie苗miao床chuang環huan境jing,使shi黃huang瓜gua苗miao獲huo得de適shi當dang的de溫wen度du和he濕shi度du,通tong過guo通tong風feng及ji時shi補bu充chong二er氧yang化hua碳tan氣qi體ti。
菜農在自家的塑料大棚裏進行黃瓜育苗,不同於工廠化育苗,菜農育苗的條件一般較差,尤其在控製苗床溫、濕度方麵,全部要靠人工掌握,稍有一點閃失,則會前功盡棄。在大棚裏采取建塑料小拱棚進行育苗,幼苗時,上午達到25℃時開始通風,下午溫度降到18℃時停止通風,通風時要逐漸進行,通風口隨著氣溫的上升逐漸加大,避免通風過快、guomeng。suliaodapengyibanshiliuyouliangdaofenghuosandaofeng,xiandakaishangbudefengjinxingtongfeng,zhubuzaidakaizhongbudefengtongfeng,zuihoufangdifeng。kaishitongfengshiyaogeyiduanfengbayiduanfengtongfeng,bingyongmugunzhichengbomo,fangfengkouyaomeitianlunliufangfeng。yudaofengbijiaodadeshihou,yaozaibeifengmianfangfeng,bimianlengfengzhijiechuidaoyoumiaoshang。
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