dg真人游戏

当前位置: 农种网 > 黄瓜种植 > 正文

黄瓜几种生理病害如何预防

发布日期: 2017-08-17 21:41

yi、jixinggua: (1)wanqugua,zhangxingguopinzhongyixingchengwanqugua,yanzhongshibujubeishangpinjiazhi。shengliyuanyinduoyuyingyangbuliang、zhizhuxiruoyouguan,youqizaigaowenhuozhouyewenchaguoda、guoxiao,guangzhaoshaodetiaojianxiayifasheng;youshishuifengongyingbudang,jieguaqianqishuifenzhengchang,houqishuifengongyingbuzu,huobingchongweihai,junkexingchengwanqugua。(2)jianzuigua,guobingfujincu,xianduanxi。danxingjieshilididepinzhongshoujingbuliangshixingchengjianzuigua,danxingjieshiliqiangdepinzhongbujingshoufenzaiyingyangtiaojianhaodeqingkuangxianengfayuchengzhengchanggua,fouzehuixingchengjianzuigua。(3)xiyaogua,guobingjibuhedingduanzhengchang,zaiguatiaozhongjianbufenyisuo,shiyouyuyingyangheshuifengongyingbujunhengzaochengde,tonghuawuzhijileibujunyun,jiuhuichuxianxiyaogua。(4)dadugua,guatiaoqianduanbufenfeida,erzhongjianjijibufanerbianxi。zheishiyouyucihuashoufenbuchongfen,shoufendexianduanfeida,eryouyuyingyangbuzu,shuifenbujun,zhongjianjijibufayuchihuanerzaochengde。

dg真人游戏fangzhifangfa: faxianjixingguashijizaozhaichu,yijiangdiyingyangxiaohao;jiaqiangshuifeiguanli,zengshiyoujifei,duoshiyoujifeiruniu、mafendengrexingfeiliao,tigaoturangdegongshui,gongfeinengli,fangzhizhizhuzaoshuai;helimizhi;zuohaobingchonghaifangzhigongzuo,fangzhizhizhuzaoshoubingchongweihai。

er、kuweigua: huangguazhongkuweisujileiguoduozaochengguatiaoweikuwufashiyong。danfeiguoduo,lin、jiafeibuzu,tebieshiyicixingshidanfeiguoduo,yichuxiankuweigua;huangguaduidan、lin、jiadexishoujibenzunxun5∶2∶6debili,fouzehuichuxianshengyubupingheng,zaochengtuzhang,huochuxianzuoguobuqi,cezhishangyichuxiankuweigua;qiwenguogao,gaoyu32℃yishang,zhitonghuanenglijianruo,sunhaoguoduo,yingyangshidiao;turangguoyuganhan;yintianduo,yangguangshao,diwendi,shuifenyangfenxishoushouyi,yixingchengkuweigua;yupinzhongyouyidingguanxi。

dg真人游戏fangzhifangfa: peifangshifei,shidan、lin、jiafeihelidapei;tichangshiyongyoujinongjiafeiyuzhaoqifei;jishijiaoshui,fangzhiganzao;kongzhiwendu,bimiangaowen、diwenchuxian;xuanyongbuyichanshengkuweiguadepinzhong。

dg真人游戏san、huadadinghehuagua: huadadingbiaoxianweihuangguadeshengzhangdianbianweihua,kaihuahouguatiaotingzhishengzhang。lingwai,diwenhegaowenfangaishoujing,chanshenghuagua。bingyin: cibingduofashengzaijieguochuqi,pengneigaowenganzao,youqishiturangganzao、feiliaoguoduohuotuchengchaoshishidouyifashengougen,congerdaozhigenxishounenglijianruo,zheixieyuanyindouhuidaozhihuangguachuxianhuadadinghuohuagua。

fangzhifangfa: jishisongtu,zhuyishuifeiguanli,shidangkongzhiwendu,zuodaobaitianshiwen、shishi,wenduyibankongzhizai25℃~30℃,yejian15℃zuoyou;helimizhi;yintiandiwenshi,kejinxingyemianpenfei;shidangtongfeng,kejinxingeryanghuatanshifei,cujintonghuawuzhijilei,jiaqiangfeishuiguanlihebingchongfangzhi。

奇葩图片

dg真人游戏_dg真人平台【开户首充送大礼】 北京赛车pk_北京赛车pk官网 og真人注册_og真人官网【开户首充送大礼】 U赢电竞官网 10分赛车平台_10分赛车官网 新金沙注册平台-澳门新金沙注册平台-新金沙登录平台注册官网