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设施黄瓜该如何应对严寒

发布日期: 2017-05-31 05:36

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dg真人游戏yanzhangguangzhaoshijian、baochipengwen、wendingdiwenhuangguajiajieyihou,zuishiyidiwenzai23℃~27℃,diwenruodiyu8.5℃huichuxianhangenxianxiang。zaichunjieqianzheigejieduan,yaoyibaochipengwen、wendingdiwenweizhu,bingyanzhangguangzhaoshijian。yanzhangguangzhaoshijian: yinlongdongrizhaoshijianduan,huangguadengsheshishucaiguangzhaobuzu,yinciyaozairichuhoubanxiaoshi(qinglangtianqi)laqicaoshan,bangwanshidangyanzhangjianguangshijian。yangeanzhaoguigetongfeng: pengneiwendudabudao29℃buyaodakaitongfengkou,wendujiangdao25℃jixunsuguanbitongfengkou,shipengneijinkenengduodijichureliang。ruyulianxu6~7tianyujiaxuewuguangzhaotianqi,yaojiaqiangpengwen、diwenguancha。ruguowanshang10shipengneiqiwenjiangzhi5℃,diwenjiangzhi12℃shi,yaolijicaiqushengwencuoshi。rukecaiyonghuopenshengwen。zhihuopen2gezaipengwaijiangyumixindianran,huopenwuyanwushiyirupengneilaihuizoudong。yipenranwanzaihuanyipen。40mizhangdewenshixu3~4pen,ketigaowendu2℃~3℃。caiyonghuopenjiawen,yaoyanfangyanhaifasheng。ruyoutiaojian,keshiyongdianlu、dadiandengpaoshengwen。mei2~3tiancashi1bianwudimo,qudiaobiaomiandechentuhecaoxie,zengjiatouguanglv;zaicaoshanbiaomianzaijiagai1cengsuliaobomo,jifangyuxueyoubaowen。

kexuejiaoshui,jiangdishiduhuangguadengguaguoleishucaixishibunaihan,turangzhongshuifenhanliangyizai85%~90%weiyi。kongqishidubaitianwei75%~85%,yejianwei90%jiaoshiyi。ruodiwendierkongqishiduda,huangguazehuichuxianhangen、ougenbinghai。tebieshizaiyudaoyuxuetianqi,kongqishidudashi,yepianbiaomianxingchengdeshuimohuiganraoqitijiaohuan,guanghezuoyong、zhengtengzuoyongchuxianzhangai,yingxiangyangfen、shuifendexishou,zhizhuzhangshijianruo、binghaijiazhong。ruguoqueshui,huangguashengzhanghuanman,huiyingxiangchanliang。yinci,chunjieqianhoudejiaoshuiyaozhangwo4tiao: xuyaojiaoshuishi,yaoxuanqingtiandeshangwu;zhijiaoxiaoshui,yanfangdashuimanguan;shangwujiaowanshuizhidaoqiwenshangshengdao29℃cainengkaiqitongfengkou,zheiyangjinengshidiwentishanglai,younengpaishi;meitianjiaoshuideqianyitian,bixuxianpen1bianbaohuxingdenongyao。rujiaoshuidediertianyudaoyuxuetianqi,keranfangyanwujinongyaojinxingfanghu。

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