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二、重施臘肥爭早發 越(yue)冬(dong)期(qi)是(shi)油(you)菜(cai)花(hua)芽(ya)分(fen)化(hua)，奠(dian)定(ding)一(yi)次(ci)分(fen)枝(zhi)數(shu)和(he)結(jie)角(jiao)數(shu)的(de)重(zhong)要(yao)階(jie)段(duan)，同(tong)時(shi)這(zhe)一(yi)時(shi)期(qi)出(chu)生(sheng)的(de)短(duan)柄(bing)葉(ye)是(shi)影(ying)響(xiang)油(you)菜(cai)能(neng)否(fou)春(chun)發(fa)穩(wen)發(fa)的(de)主(zhu)要(yao)時(shi)片(pian)。重(zhong)施(shi)臘(la)肥(fei)既(ji)能(neng)促(cu)使(shi)油(you)菜(cai)在(zai)越(yue)冬(dong)期(qi)內(nei)多(duo)發(fa)根(gen)，多(duo)長(chang)葉(ye)。達(da)到(dao)冬(dong)壯(zhuang)的(de)目(mu)的(de)，又(you)可(ke)使(shi)一(yi)部(bu)分(fen)肥(fei)料(liao)臘(la)施(shi)春(chun)用(yong)，使(shi)油(you)菜(cai)春(chun)後(hou)早(zao)發(fa)。采(cai)用(yong)有(you)機(ji)肥(fei)與(yu)無(wu)機(ji)肥(fei)相(xiang)結(jie)合(he)，化(hua)肥(fei)要(yao)打(da)洞(dong)深(shen)施(shi)，提(ti)高(gao)肥(fei)效(xiao)。
三、穩施薹肥促高產 薹tai肥fei是shi促cu進jin油you菜cai春chun發fa穩wen長chang，壟long壯zhuang枝zhi多duo，爭zheng取qu角jiao多duo的de一yi次ci關guan鍵jian性xing肥fei料liao。根gen據ju今jin年nian苗miao情qing特te點dian及ji開kai春chun後hou的de氣qi溫wen情qing況kuang，以yi早zao發fa穩wen長chang不bu早zao衷zhong不bu貪tan青qing遲chi熟shu為wei原yuan則ze合he理li施shi肥fei。對dui臘la肥fei不bu足zu，長chang勢shi差cha，有you脫tuo力li趨qu勢shi的de田tian塊kuai，薹tai肥fei要yao早zao施shi重zhong施shi；對臘肥用量重，葉片大，有旺長趨勢的田塊，薹肥要不施或看苗少施。薹肥宜在薹高7-10厘米時施用，宜早不宜遲。
四、中耕培土防凍害 jiehezhuifeiyaojishizuohaozhonggengsongshang，peituyonggengongzuo，yizenghougenjituceng，xirezengwen，zengqiangcaimiaofangdongnengli。tongshizhonggengsongtu，zengqiangturangtongtouxing，youliyufeixiaodefahui。
五、開好三溝防春漬 duixianzaicaihoukaigoudetiankuai，youqishibanchayizaideyoucai，yaojishikaihaoneisangouhewaisangou。zuodaoneiwaigouxipeitao，yifangchunhouzihaihebinghai。lingwai，jinnianyoucaimiaotixiao，yepianfugailvdi，zacaoyiyuzishengmanyan，yaozhuajinshijiancaiyongrengongyuhuachuxiangjiehexiaomieyuedongzacao。
