大棚蔬菜的茬口安排
，必須適應市場，因地製宜

、因棚製宜。
   
　　在茬口安排上一般應掌握以下幾個原則：yishigenjushichangjiage，bashucaidecaishougaofengqianpaizaishucaijiagezuigaodeshiqi。ershibashucaichengshuqianpaizaizuishiyishucaishengchangdejijie
，zhiyougaochanyugaojiajiehe
，cainengqudegaodexiaoyi，jianshaoguanlinanduheshengchansunshi。rumuqianyibufencainongzhikandaochunjieqijianshucaijiagegao，bukaolvzijidapengdebaowenxingneng，mangmujinxingyuedongyidachashucaishengchan。chunjieqianhoushiyinianzhongguangzhaozuiruo、日照時數最短、wenduzuidideshijie
，didangcidedapengbaowenxingnengjiaocha，nanyimanzushucaishengchangdexuyao，buliyushucaishengchangfayu
，chanliangjidi，wangwangdabudaoyuqidexiaoyi。qishibaowenxingnengjiaochadedapeng
，ruojinxingyinianliangchashengchan

，jidongchunchaheqiudongcha，chongfenliyong3～6月和9～11月的光熱資源，也可獲得高產高效。三是要提高大棚的利用率。冬暖式大棚存在“夏閑”問題，拱棚存在“冬閑”問題，可在冬暖式大棚夏季歇茬期栽培草菇，種植豆角等
，在拱棚冬閑期種植小油菜、菠菜等
，可有效提高種植效益。四是要考慮與其他蔬菜輪作換茬，以減輕病蟲害，防止土壤次生鹽漬化。