眼yan下xia,大da棚peng正zheng處chu於yu休xiu閑xian期qi,菜cai農nong大da都dou利li用yong這zhe段duan時shi間jian進jin行xing棚peng室shi土tu壤rang消xiao毒du。然ran而er,最zui近jin筆bi者zhe在zai下xia鄉xiang時shi卻que了le解jie到dao,大da多duo數shu菜cai農nong在zai為wei棚peng地di消xiao毒du時shi,卻que忽hu視shi了le大da棚peng北bei牆qiang根gen處chu的de土tu壤rang。筆bi者zhe認ren為wei,此ci處chu土tu壤rang若ruo不bu進jin行xing消xiao毒du處chu理li,同tong樣yang會hui導dao致zhi蔬shu菜cai感gan染ran病bing害hai,進jin而er感gan染ran棚peng內nei其qi他ta蔬shu菜cai。
說shuo起qi大da棚peng的de北bei牆qiang根gen,筆bi者zhe有you很hen多duo感gan觸chu。原yuan本ben,這zhe個ge地di方fang是shi不bu種zhong菜cai的de。但dan近jin些xie年nian來lai,有you越yue來lai越yue多duo的de菜cai農nong在zai大da棚peng北bei牆qiang根gen上shang作zuo文wen章zhang,獲huo得de了le較jiao高gao的de經jing濟ji效xiao益yi。有you些xie菜cai農nong將jiang這zhe裏li利li用yong起qi來lai,一yi年nian幾ji茬cha下xia來lai,增zeng收shou近jin萬wan元yuan,非fei常chang讓rang人ren羨xian慕mu。
jirancichushibaodi,zanmencainongyinggaiweihuhaotacaidui,kebizhelejiedaodeqingkuangqueshi,henshaoyourenduicichudeturangjinxingxiaodu。ruozhishiyiweidixiangzhexiangcichuyaoxiaoyi,queduitade“健康”狀況不管不問,這怎麼能行呢?
那麼,對於大棚北牆根的土壤,該如何來消毒呢?一般來說,因此處土壤麵積較小、較窄,不便於操作,是不適於用溴甲烷和棉隆等土壤熏蒸劑來進行消毒的。最好的辦法是在此處土壤深翻前,用30%的惡黴靈1000倍液或50%氯溴異氰脲酸可濕性1000倍液將此處土壤表層噴濕,然後用鐵鍁深翻並調均。也可用上述藥劑按每平方米15克的用量與少量細幹土混勻後撒在土壤表層,再用鐵鍁深翻調均。
lingwaihaiyouyidian,dajiadouzhidao,zaijinxinggaowenmenpengxiaodushi,yaobaochiyidingdeturangshidu,zheyangmenpengxiaoguocaihao。yinci,ruozaimenpengqianfaxianpengditaiganxuyaojiaoshuishi,yidingyaojizhebadapengbeiqianggenchudeturangyejiaoshangdianshui,yimiantongyangshimenlepeng,cichuquedabudaolixiangdeshajunxiaoguo。
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