二(er)是(shi)促(cu)發(fa)冬(dong)苗(miao)。秋(qiu)後(hou)至(zhi)越(yue)冬(dong)前(qian),黃(huang)花(hua)菜(cai)蔸(dou)子(zi)將(jiang)萌(meng)發(fa)成(cheng)蔥(cong)綠(lv)的(de)冬(dong)苗(miao)。黃(huang)花(hua)菜(cai)冬(dong)苗(miao)期(qi)是(shi)進(jin)行(xing)光(guang)合(he)作(zuo)用(yong)積(ji)累(lei)有(you)機(ji)養(yang)料(liao)的(de)重(zhong)要(yao)時(shi)期(qi)。冬(dong)苗(miao)生(sheng)長(chang)愈(yu)旺(wang)盛(sheng),製(zhi)造(zao)和(he)積(ji)累(lei)的(de)有(you)機(ji)養(yang)料(liao)愈(yu)多(duo),來(lai)年(nian)冬(dong)苗(miao)便(bian)發(fa)得(de)快(kuai),出(chu)苗(miao)壯(zhuang),為(wei)促(cu)使(shi)冬(dong)苗(miao)健(jian)壯(zhuang),應(ying)在(zai)冬(dong)苗(miao)剛(gang)剛(gang)萌(meng)發(fa)時(shi)重(zhong)施(shi)一(yi)次(ci)冬(dong)苗(miao)肥(fei),每(mei)畝(mu)用(yong)250-350千克人糞尿或用8-10千克尿素兌水淋蔸,並做好病蟲的防治工作。
sanshipeituyongdou。huanghuacaishiyizhongduonianshengxiugenzhiwu,juyouyinianyicenggen,buduanxiangshangshengchangdetedian。tongguopeituyongdou,jiashenturanggengzuoceng,yizekefangzhigenxiluchutubiao,mianzaodongjibingxueshuangdongqinxi,shiqianquanyuedong;二則培土結合施臘肥,可增加土壤中的養分。培土壅蔸之前,可先深施磷鉀肥,每畝施過磷酸鈣35-45千克,氯化鉀5-10千克,或每畝施腐熟牛糞1500-2000千克,然後再用肥地皮、肥塘泥等覆蓋黃花菜蔸7-10厘米。
四是清園消毒。清園消毒可減輕來年病害。方法是:將黃花菜地裏和周圍的雜草、落葉、病株全部集中起來燒毀;噴施2-3次石硫合劑,或每畝黃花菜地裏撒施25-40千克生石灰,對種蔸和土壤消毒有較好的效果。
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