水培花卉是用非固体介质(水或水中加入适量的植物营养液)在栽培观赏植物。目前家庭水培花卉多为静止水栽培,溶解氧低于1mg/l,花卉是在缺氧的器皿中勉强维持生命。随着夏季气温升高植物生理代谢旺盛,微生物大量繁殖,耗氧量剧增,溶解氧不断减少,水质恶化,对水培花卉的生长形成诸多不利因素,可能引起根系腐烂,枝叶萎焉,甚至使植株花卉夭折。因此,夏季除预防酷暑高温,提高营养液含氧量是确保水培花卉安全度夏之关键。
er、zenyangtigaoyingyangyerongjieyangdehanliang?
zengjiarongjieyangdefangfayouduozhong,gaikuoweihuaxuefa、wulifalianglei。yixiajieshaodeshirongyicaozuo、xingzhiyouxiaodejizhongfangfa。
1、增加更换营养液的次数更换营养液是增加溶解氧的最简易的方法。经测量,新鲜营养液溶解氧含量较原液增加70%-90%,能及时改善花卉生理缺氧的状况。已长出水生根的花卉3-5天最多不超过7天换一次营养液为宜。更换营养液时注意新液与原液的温差不应过大,温差太大可能引起花卉根系生理紊乱。换液时应该耐心地用清水冲洗根系,剔除枯萎根、腐烂根,将老化根截短促生新根。营养液若突然变的混浊,或有蚊虫卵块,应该即刻更换新的营养液。
2、振动增氧器皿较小的水培花卉,只要根系清晰无损伤,营养液透彻,可以用振动法增氧,操作方法是一手固定花卉,另一只手把握器皿,轻轻摇动10余次,摇动后的营养液溶解氧含量量能够提高30%以上。营养液混浊、根系发育不良的水培花卉不宜采用振动增氧的方法,必须彻底更换营养液。
3、xiangqiminzhongchongqiruguozaiyanghushuipeihuahuidetongshiyouyouyigangguanshangyuzaipangbian,keyiliyongyugangdeyangqibangtouruqiminzhongchongqi。
san、shuipeihuahuixiajishiyibaifangzaishenmeweizhi?
shuipeihuahuixuanqudehuacaiduoshuweinaiyindeguanyehuahuijihuayejianshanghuahui。ruheguoyu、baiyuwannianqing、yinbaoyu、huazhu、fenglideng。zheixiehuahuixiwennuanshirun,lvenaiyinbi,jigaowenganre。shuipeizhigaibianlezaipeixingshi,bukenenggaibianqishengzhangxixingjisuoxuyaodehuanjingyinzi。xiajizuihaojiangshuipeihuahuifangzhizaiguangxianmingliang,shidushaogao,jiaoliangshuang,youlianghaotongfengdehuanjing。jiyangguangzhishe,danyebunengguoyuyinbi,yimianhuahuiguanghezuoyongshouzu,zhangshishuairuo,jingjieshenzhang,yezhibianbo。zaochengyousekuai,caiwendehuahuiyepianshiquguangze。
si、shuipeihuahuikeyizhiyukongdiaofangjianma?
keyi。danshi,buyingjiangshuipeihuahuibaizaizhengduikongdiaojichufengkouweizhi,fengsuguokuaihuishizhiyeshoushanghai,qingzeyepianjuanqu,zhongzejiaobiankuwei。haiyaokaolvdaohuahuiduiwendudeyaoqiubaitiangaoyuyewan,ruoyejianguanbikongdiaoji,huanjingwendugaoyukaiqikongdiaojidebaitianwendu,duishuipeihuahuishengzhangshibulide。kaiqikongdiaojishizaihuahuipangbianfangyipenqingshuihuowangyemianpenwuzengjiahuanjingshidu,huahuibaifangzaijukongdiaojichufengkouyuanyixiedeweizhi,zhouyewenchabudashimeiyouwentide。
wu、shuipeihuahuilangenzenmeban?
suizheqiwenbuduanshenggao,shuiwenyehuishangsheng,weishengwufanzhijiakuai,rongjieyangjiangdi,shuizhiliehua。buqiadangditianjiayingyangye,shirongjienongduguogao,doukenengzaochengshuipeihuahuigenxifulan,youyibaihekedezhujiao、maweitie(xiyeqiannianmu)、wuseqiannianmuweizhong。