1、初期闖熱關:從大白菜入窖到11yuexiaxun,zheyijieduanjiaowenhecaitiwendudoujiaogao。dabaicaihanshuiliangda,xinchendaixiewangsheng,caitijiyishouretuobangshenzhifulan。zheshideguanliyitongfengsanreweizhongxin,rujiaochuqiwendujiaogaoshi,zhouyejiangqichuang、窖門全部打開。隨著氣溫下降,適當減少通風時間和次數,勤倒菜垛,不掐葉或少摘葉。
2、中期過凍關:從12月中旬到1月下旬,當窖溫降於1至3攝氏度時,應在窖頂堆放玉米秸、稻dao草cao等deng,在zai菜cai堆dui上shang用yong草cao代dai覆fu蓋gai,中zhong午wu短duan時shi間jian通tong風feng,以yi排pai除chu窖jiao內nei溫wen氣qi,侄zhi菜cai次ci數shu要yao少shao,周zhou期qi要yao長chang,菜cai葉ye不bu爛lan不bu摘zhai除chu,保bao護hu好hao外wai幫bang和he內nei葉ye不bu受shou損sun傷shang。
3、後期防爛關:2月yue中zhong旬xun到dao出chu窖jiao這zhe一yi段duan時shi間jian,天tian氣qi漸jian漸jian變bian暖nuan,氣qi溫wen回hui升sheng,大da白bai菜cai極ji易yi腐fu爛lan。這zhe時shi期qi管guan理li以yi降jiang低di窖jiao溫wen為wei中zhong心xin,夜ye間jian通tong風feng時shi間jian適shi當dang延yan長chang,倒dao菜cai要yao勤qin,並bing降jiang低di菜cai垛duo高gao度du,仔zai細xi摘zhai葉ye,及ji時shi處chu理li掉diao爛lan菜cai葉ye,以yi防fang互hu相xiang汙wu染ran。當dang氣qi溫wen上shang升sheng到dao0度時,應把窖內棚頂上的霜打掃幹淨,以免水滴到菜上造成菜的腐爛。
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