一.選對品種是前提。秋大白菜作為大麵積商品化生產,應根據市場需要選擇產量高,抗病力強,品質優口感好,適宜長距離運輸的品種。
二.栽(zai)培(pei)宜(yi)晚(wan)不(bu)宜(yi)早(zao)。秋(qiu)大(da)白(bai)菜(cai)生(sheng)產(chan)過(guo)程(cheng)中(zhong)常(chang)會(hui)遇(yu)到(dao)霜(shuang)黴(mei)病(bing),軟(ruan)腐(fu)病(bing),病(bing)毒(du)病(bing)三(san)大(da)病(bing)害(hai)。如(ru)秋(qiu)大(da)白(bai)菜(cai)栽(zai)培(pei)過(guo)早(zao)因(yin)署(shu)夏(xia)高(gao)溫(wen)高(gao)濕(shi)常(chang)會(hui)造(zao)成(cheng)苗(miao)期(qi)長(chang)勢(shi)較(jiao)差(cha),為(wei)病(bing)害(hai)的(de)發(fa)生(sheng)蔓(man)延(yan)創(chuang)造(zao)條(tiao)件(jian),為(wei)此(ci)應(ying)適(shi)當(dang)晚(wan)播(bo),培(pei)養(yang)健(jian)壯(zhuang)秧(yang)苗(miao)能(neng)有(you)效(xiao)躲(duo)避(bi)病(bing)害(hai)發(fa)生(sheng)的(de)機(ji)率(lv),最(zui)適(shi)宜(yi)的(de)播(bo)期(qi)在(zai)立(li)秋(qiu)前(qian)3-4天。
三.miaoqizhichongshiguanjian。qiudabaicaizaichumiaoshichanghuiyudaoxishuai,huangchong,lougudenghaichongdeweihai,zaochengbutongchengdudequemiaoduanlong,yingzaichumiaoshijishidashachongyao,rubichonglin,bidan,wanling,gongfudeng。
四.平衡施肥能增產。秋大白菜是一種高產型的蔬菜作物,畝產量在7000-8000公gong斤jin以yi上shang,要yao實shi現xian高gao產chan,必bi須xu保bao證zheng充chong足zu的de水shui肥fei供gong應ying。大da白bai菜cai屬shu於yu葉ye菜cai類lei蔬shu菜cai,除chu對dui氮dan肥fei的de需xu求qiu量liang偏pian大da,還hai要yao保bao證zheng磷lin鉀jia肥fei的de供gong應ying。底di肥fei施shi用yong農nong家jia肥fei5000公斤,二胺20公斤,鉀肥15公斤,追肥以尿素為主。
五.gaolongzaipeibinghaishao。shiyanbiaoming,qiudabaicaipingwazaipeizaimiaoqiyudaoyushuijiaoduodetianqishi,changhuichuxianlaohai,zaochengyanzhongdequemiaoduanlong。rucaiyonggaolongzaipeijiunengyouxiaobimianyishangxianxiang,cainengchuangzaogaochangaoxiaoyi。
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