目前,不少拱棚蔬菜開始拔園,而記者在山東省昌樂縣寶城街道、壽光市紀台鎮等拱棚種植集中區采訪時,了解到菜農在拔園悶棚時存在以下兩個誤區:
一是閉棚後將棚中的蔬菜悶死,然後再清理田園。因為春茬大多種植的西瓜、甜椒等蔬菜,蔓子較重,不少菜農為圖省事,在拔園前直接將棚中的放風口全部關閉,將蔬菜悶死。這樣閉棚後,棚內的溫度能達到50℃以yi上shang,這zhe樣yang棚peng內nei的de蔬shu菜cai很hen容rong易yi悶men死si,但dan這zhe樣yang等deng到dao再zai拔ba園yuan時shi,因yin為wei棚peng內nei土tu壤rang較jiao幹gan,會hui有you部bu分fen根gen係xi存cun留liu在zai土tu壤rang中zhong,這zhe為wei以yi後hou病bing害hai發fa生sheng發fa展zhan打da下xia了le基ji礎chu。如ru西xi瓜gua、tianjiaoshangbushaoyougenbubinghai,ruogenxiqingchubuganjing,genxishangdebingyuanjunhuijixuliuzaiturangzhong,zhijieweihaixiachashucai。zhengquedezuofashizaibayuanqianxiankanturangshidu,ruoturangjiaogan,kexianjiaoyibianshui,zheyangkebaozhengjiangzhizhudegenxiquanbubachulai,bimianduangenliuzaipengnei。
ershixianbachugenxi,dengdaozhizhushuifenjiaoshaoshizaiwangwaiyunshu。xianbachugenxi,bingjunrengranzaizhizhushangfazhan,ercishicainongyijingbuzaiguanli,bingchonghaihuijixufazhan,yehuiyingxiangxiachashucaishengchang。zhengquedezuofashizaibayuanhoujiezhejiangzhizhuyunchupengwai,fangzaiyuanlipengshidedifang,jizhongxiaohui,buyaodengdaoshuifenjianshaoshizaidaichupengwai,geibingchonghaifashengchuangzaoyoulitiaojian。
後進行悶棚。具體做法將拱棚膜修補好,不能出現破損,以免影響悶棚效果。準備好之後,將通風口全部關閉,悶棚10-15天。
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