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yong250-350千克人糞尿或用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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