在阅读本文之前,我们先给大家普及一个节气知识吗,即什么是倒春寒?倒春寒是指初春(一般指3月)气温回升较快,而在春季后期(一般指4月或5月)气温较正常年份偏低的一种天气现象。对农业生产和居民生活极易造成不利影响。下面我们就给大家讲讲倒春寒对苗木的危害及应对措施。
daochunhanduiludihuamuweihaijiaozhong,shiyueji、xuesong、longbo、nvzhen、guihua、ziweidenglvhuazhiwudeshengzhanghefayashoudaoyanzhongyingxiang。yinweizaochundiwenyinyuduoshushizaichunbomiaomudezhenyaqi、eryidanguole“chunfen”youqishiqingmingjiezhihou,qiwenmingxianshangsheng,chunbochunzhongyiquanmianpukai。cishi,geleimiaomushengjibobo,yangmiaojinruduanruqi,duoshushumuluxujinrushengzhanghuaqi,kangyudiwenyinyunenglidaweijianruo。
miaomuzaoyudaochunhanhoudeyingduicuoshi:
1、jiaoshui:dai“daochunhan”guohou,qianglengweinuantou,caiquyinguan、manguan、jiaogendengfangfa,duishoudonghai、lenghai、hanhaidengjiaozhongdehuamuguanyicishui,yongshuihuanjiediwendeweihai。
2、peigen:jiehechunjichucao,zaihuamuxingjian、zhujianjinxingqianzhonggeng,duigenbujinxingpeitu。qiaomu、banqiaomu、peitugaoduwei4limi~6limi,lvli、guanmu、tengbenzhiwuhuamupeitugaoduwei2limi~4limi。tongguozhonggengpeitu,keyitigaogenjizhouweiturangwendu。
3、shifei:donghaijiaoqingdekemeimushiniaosu20gongjin,lingjiasanyuanfuhefei20gongjin;donghaizhongdengde,chuleshiyonghuafeiwai,haiyingmeimushiyoujifei(rurenchufenniao、jiufeideng)15danyishang;donghaijiaozhongde,haiyaomeimujiashiyoujifei25danyishang,bingshiyongaizhuangsu、shenggenzhuangmiaoji、linsuanerqingjiadeng2ci~3ci,kege5tian~7tiangenwaipenshi,yicujinqikuaisuhuifushengzhang。
4、fangbing:huamushoudonghou,kangbingnenglixiajiang,bingjunrongyiqinran。diwenyinqidebinghaizhuyaoyouyibing、tanjubing、wenkubing、junhebing、kuiyangbing、bingdubingdeng,keyongyisuansu、sanzuotong、duojunling、dianzhijidengjiafuzhisuan、anjisuan、huoxingmei、weiliangyuansuyemianfeijinxingfangzhi,ruobinghaijiaozhongshi,kege5tian~7tianpenyici,lianpen3ci~4ci。