如何進行紫花地丁的種子直播?
紫花地丁種子播種前最好對土壤進行消毒,可用高錳酸鉀,一般控製溶液濃度在0.1%-0.3%,噴灑床土,土壤消毒的目的是培育壯苗、防治苗期病蟲害。紫花地丁適應中性及微酸性土壤,pH值在6.0-7.0之間的都比較合適。

紫花地丁播種將采集到的紫花地丁的種子放在通風幹燥處保存。12月上旬播種在2-8℃的低溫溫室內,翌年2月出苗,3月下地定植。亦可在5月(yue)份(fen)采(cai)下(xia)種(zhong)子(zi),直(zhi)接(jie)地(di)播(bo),很(hen)快(kuai)就(jiu)可(ke)以(yi)發(fa)芽(ya)出(chu)苗(miao)。由(you)於(yu)種(zhong)粒(li)比(bi)較(jiao)細(xi)小(xiao),播(bo)種(zhong)時(shi)最(zui)好(hao)采(cai)用(yong)盆(pen)底(di)浸(jin)水(shui)法(fa),即(ji)將(jiang)床(chuang)土(tu)裝(zhuang)入(ru)秧(yang)盤(pan)或(huo)淺(qian)盆(pen),置(zhi)於(yu)更(geng)大(da)的(de)盛(sheng)有(you)水(shui)的(de)容(rong)器(qi)中(zhong),使(shi)水(shui)從(cong)秧(yang)盤(pan)或(huo)盆(pen)底(di)部(bu)向(xiang)上(shang)滲(shen)透(tou),濕(shi)潤(run)整(zheng)個(ge)床(chuang)土(tu),然(ran)後(hou)再(zai)進(jin)行(xing)播(bo)種(zhong)。

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