dangqian,shucaidapengyiluxupuhuanxinmo,jizhezaixiaxiangcaifangzhongfaxian,youhenduodapenghuanmoshipengneiyoushucai,name,duiyupengneiyoushucaidedapeng,zaihuanmoshiyingzhuyinaxiewentine?對於這個問題,記者曾與多位菜農探討過,現將其經驗總結如下:
shouxian,huanmoyaoxuanzehaotianqi。pengneiyoushucaidedapeng,huanmoyidingyaoxuanzezaiqinghaotianqilijinxing,qiejizaiyinyutianhuanmo,yimianyoulingxingdaibingjundeyudipiaorupengnei,youfabinghai。tongshi,haiyaozhuyiguanchadangtiandefengli,ruofengliguoda,zebuyaohuanmo,yimianfengjiangpengmoguahuai。
其次,換膜時要注意棚內的溫度與外界不要差別太大。天氣晴好時,棚內的溫度與棚外往往相差很大,此時換膜,很容易造成蔬菜“閃秧”。因此,換膜最好選在上午10點以前或下午2點以後進行,換膜前應加大通風力度,盡量縮小棚內外溫差。
zaishiyaozhuyijiangdipengneishiqi。pengneishiqidashi,shucaiguoshishanghuiyouhenduoluzhu,cishihuanmo,lengfengturanrupenghenrongyizaochengguoshicunpi。yinci,huanmoqianliangtianneizuihaobuyaojiaoshui,yifangpengneishiqiguoda,tongshiyaozhuyijiangpengneishiqipaijinghoufangkehuanmo。
另外,換膜時應多找人手幫忙,盡量縮短換膜時間,將換膜對蔬菜造成的影響減至最低。
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