近年來,穴盤育苗技術在蔬菜上應用越來越廣泛,但一些菜農發現,用穴盤育苦瓜苗,出苗率大大降低,50穴的穴盤中能出到40棵苗就算不錯了,出苗率不足80%,而直接在棚地裏育苦瓜苗,出苗率接近100%。這是為什麼呢?
這是因為苦瓜出苗期比較長,如果用穴盤育苗,水分、溫度等管理難度大,反而不好。
shouxian,xuepanjizhishuifenbianhuakuai。kuguafayaxuyaojiaogaodeshidu,yongxuepanyumiao,jizhitouqixingsuiqiang,danbaoshuixingruo,gandekuai,xuyaoyitianlinyicishui,shidubianhuajiaoda,youshihoucainongyimangwanglejiaoshui,daozhijizhihuganhushi,duikuguafayabuli。erzaipengdiliyumiao,suiranchumiaoshijianchang,danshiyouyuturangbaoshuixingqiang,shidubuzhiyufashengtaidabianhua,yincinenggoubaozhengfayabushouyingxiang。
qici,xuepanzhongdewendubianhuajulie。dapenghuanshangxinpengmohou,touguangxingqiang,daozhongwushipengneiwenduhengao。yongxuepanyumiao,weilejianshaoshuifenzhengfa,baochishidu,changhuiyongdimofugai,daozhibaitianxuepanneiwenduguogao,yingxiangchumiao,ruguowangjilechemo,shenzhikenengjiangzhongzi“蒸死”,也會降低出苗率。
因此,對於苦瓜、冬瓜等出苗難、出苗時間長的蔬菜,不適合使用穴盤育苗,還是傳統的營養缽育苗比較好。
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