大发棋牌下载

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            春季海参圈易发蓝藻,四招教你如何防治?

            发布日期:2017-11-22     浏览次数:7234
            核心提示:春季水质不好,尤其是在过了清明节之后,随着气温的上升,海水里的有害藻类也逐渐生长起来,一些老化的池塘如果引进一次不好的水,容易爆发蓝藻。镜捡以颤藻和微囊藻为主。如图:蓝藻的危害:蓝藻可以改变膨压,在高温强光照的天气,它会聚集在水体表层吸收大部分阳光,大量繁殖并抑制其它藻类生长。同时,在繁殖过程中,蓝藻会不断地向水体分泌有毒代谢物质,影响浮游生物的种群演替、繁殖周期,还会引起一些浮游动物的大量死亡。蓝藻颗粒很难被养殖动物消化。蓝藻通过种间竞争大量繁殖,逐渐成为绝对优势种群,但随后而来的种内斗争又会使其自身大

            大发棋牌下载CHUNJISHUIZHIBUHAO,YOUQISHIZAIGUOLEQINGMINGJIEZHIHOU,SUIZHEQIWENDESHANGSHENG,HAISHUILIDEYOUHAIZAOLEIYEZHUJIANSHENGZHANGQILAI,YIXIELAOHUADECHITANGRUGUOYINJINYICIBUHAODESHUI,RONGYIBAOFALANZAO。JINGJIANYIZHANZAOHEWEINANGZAOWEIZHU。RUTU:

            LANZAODEWEIHAI:

            LANZAOKEYIGAIBIANPENGYA,ZAIGAOWENQIANGGUANGZHAODETIANQI,TAHUIJUJIZAISHUITIBIAOCENGXISHOUDABUFENYANGGUANG,DALIANGFANZHIBINGYIZHIQITAZAOLEISHENGZHANG。TONGSHI,ZAIFANZHIGUOCHENGZHONG,LANZAOHUIBUDUANDIXIANGSHUITIFENMIYOUDUDAIXIEWUZHI,YINGXIANGFUYOUSHENGWUDEZHONGQUNYANTI、FANZHIZHOUQI,HAIHUIYINQIYIXIEFUYOUDONGWUDEDALIANGSIWANG。

            大发棋牌下载LANZAOKELIHENNANBEIYANGZHIDONGWUXIAOHUA。LANZAOTONGGUOZHONGJIANJINGZHENGDALIANGFANZHI,ZHUJIANCHENGWEIJUEDUIYOUSHIZHONGQUN,DANSUIHOUERLAIDEZHONGNEIDOUZHENGYOUHUISHIQIZISHENDAMIANJISIWANG,DAOZHISHUITISHENGCHANLIRUIJIAN,RONGYANGGONGYINGYANZHONGBUZU。TONGSHI,LANZAOSIWANGFENJIEYEHUIXIAOHAODALIANGDERONGYANG,SHIFANGDALIANGQIANGAN、LIUHUAQINGDENGYOUDUWUZHI。ZAIYANZHONGQUEYANGHEYOUDUWUZHICUNZAIDETIAOJIANXIA,YANGZHIDONGWUSHENGCUNKUNNAN,DALIANGSIWANG。

            大发棋牌下载RUHEJIANGDISHENZHIXIAOMIELANZAODEWEIHAI?

            1.WULIFANGFA

            (1)CHEDIQINGTANGXIAODU、JIAZHUBUDAILANZAODEXINXIANSHUI

            YOUYULANZAOBIQITAZAOLEIGENGJUJINGZHENGLI,YINCIKONGZHICUOSHIYIYUFANGWEIZHU、FANGZHONGYUZHI。CHEDIQINGTANGXIAODUKEYOUXIAOSHAMIELANZAO,JIANGDIZAOZHONGSHULIANG,BIMIANDAGUIMOBAOFA。BIMIANSUIJIASHUIDAIRULANZAO,DUIKONGZHIYEYOUJIJIYIYI。

            (2)DINGQIGENGHUANXINXIANSHUI

            大发棋牌下载DUIYUHANYOUJIAODUOLANZAODECHITANG,JINGCHANG、DALIANGDIHUANXINXIANSHUI,KEXISHILANZAODENONGDU,TONGSHIYEKEXISHILANZAOFENMIDEZAOLANSUDENGYOUDUWUZHIDENONGDU,CUJINQITAZAOLEIDESHENGZHANG,BAOCHIZHENGGESHENGTAIXITONGDEDONGTAIPINGHENG。

            (3)RENGONGLAOCHU

            DUIYUMIANJIBUDADEYANGZHICHITANG,RENGONGLAOCHUSHIGEYOUXIAODECHULICUOSHI。JUTICUOSHISHI:YONGYIGENZHUGANHUOZHESULIAOGUANJIANGLANZAOWEIDAOYIGEXIAOJIAOLUO,RANHOUYONGMIWANGJIANGLANZAOLAOCHU,JIANGDILANZAOLAOHUAHOUDUISHUITIDAILAIDEWEIHAI。

            2.HUAXUEFANGFA

            (1)TONGZHIJI

            蓝藻比其它藻类对铜离子更敏感,因此铜制剂常用作抑藻、杀藻剂。传统使用的铜制剂是晶体CuSO4。CuSO4的药效持续时间短,且易受水质碱度及水中可溶性有机物、腐殖质及藻类自身释放的多肽等因素影响,故使用时需连续施加。但高浓度的铜离子会引发浮游植物大量死亡,使水体严重缺氧。过多过量铜制剂的使用还会引起对虾蓄积性中毒,造成其肝、肾组织损害,影响生长;同时,过多过量铜制剂的使用还会腐蚀虾的鳃丝,形成黑鳃等疾病。因此,CuSO4不能经常使用,使用时需严格控制浓度。要注意在傍晚使用硫酸铜,迎下风口泼洒,使用时需停止增氧机,使硫酸铜停留在表面,增加表层浓度,从而有效杀灭蓝藻。另外可以使用双氧水,利用其强氧化作用来杀灭蓝藻,使用时注意不能让双氧水接触到海参,易引起吐肠。

            WEIJIANQINGTONGLIZIDUISHUISHENGDONGWUDEYINGXIANG,TONGLIZIXUZHICHENGTONGJIHUAHEWU,YIBANSHIYONGTONGYUSANYICHUNANZHIZUO。QIZUOYONGYUANLISHITONGLIZICONGTONGJIHUAHEWUZHONGHUANMANSHIFANGDAOSHUITIZHONGBINGWEICHIYIDUANSHIJIANDENONGDUZUOYONG,CONGERYIZHILANZAODESHENGZHANGHEDALIANGFANZHI,MUQIANSHICHANGSHANGYIYOULUOHETONGCHENGPINCHUSHOU。

            (2)CHAFU(CHAZIBING)

            在蓝藻爆发初期,茶麸作为一种蓝藻抑制剂更多的应用是在对虾养殖的水体中,因为茶麸含有茶皂素,对以血红蛋白为氧载体的水产动物毒害较大,而对以血蓝蛋白为氧载体的对虾影响不大,因此只要控制好用量,便可起到抑制蓝藻生长的作用,同时对对虾也不会产生毒害。在青岛即墨,5-6月份养殖时大部分海参大发棋牌下载套养车虾和粗养车虾养殖户都会选择茶麸。

            (3)XUANZEXINGSHIFEI

            DIDANLINBI,YOULIYULANZAOJINXINGGUDANZUOYONG,GAODANLINBIZEYOULIYULVZAOFANZHI。YIXIESHUJIRENWEI,DANLINBIJIEJINHUODENGYU16:1SHI,NENGYOUXIAOKONGZHIGUDANLANZAODEBAOFA。TONGSHI,WOMENDEJISHUFUWURENYUANYEZAIGONGZUOSHIJIANZHONGFAXIAN,ZAISHAWANLANZAOHOU,SHAOLIANGDUOCIDEBUCHONGLINFEIYEKEJIANSHAOLANZAOBAOFA。

            3.SHENGWUFANGFA

            大发棋牌下载(1)JINGCHANGXINGDESHIYONGGAOZHILIANGDEWEISHENGTAIZHIJI

            ZAILANZAOSHANGWEIDAGUIMOBAOFAJIEDUAN,GEWEIYANGZHIHUPENGYOUKEJINGCHANGXINGDESHIYONGGAOZHILIANGDEWEISHENGTAIZHIJI。LANZAODEBAOFAWANGWANGSHIYOUYUSHUITIDEDIN/p、FUYINGYANGHUASUOZHI,YINCIXUSHOUXIANSHIYONGYABAOGANJUN(SHENGTAIBAO)、RUSUANJUN(QIANGXIAOEM)DENGJIANGJIECHITANGSHUITIGUODUODEYOUJIZHI,RANHOUYUCIRISHIYONGGUANGHEXIJUNLAIZHUANHUAGUODUODEXIAOFENZILEIYINGYANGWUZHI。ZHEIXIEWEISHENGTAIZHIJIHELANZAOJINGZHENGSHENGTAIKONGJIAN,KEYIWENDINGSHUITI,CUJINLVZAODENGYOUYIZAOLEIDESHENGZHANG。

            (2)YINJINYOULIANGZAOLEIYIZHILANZAOSHENGZHANG

            DIAOZHENGSHUITIDEDANLINBIYEKEYIGAISHANZAOLEIDEZHONGQUNJIEGOU。DANGDANLINBIZHIWEI2SHI,LANZAOHUIDALIANGFANZHI,DANGDANLINBIZHITIGAODAO5SHI,LVZAOBIANHUICHENGWEIYOUSHIZHONGQUN。

            4.ZONGHEFANGZHI

            DANYISHIYONGYIZHONGFANGFAHENNANWANQUANSHAMIEHUOKONGZHILANZAO,DUOZHONGFANGFADELIANHESHIYONGZEKESHILANZAODENONGDUCHUYUYIGEDISHUIPINGDEDONGTAIPINGHENGZHONG,YOUXIAOFANGZHILANZAODEGUODUFANZHI,BIMIANLANZAODALIANGSIWANGHOUDUISHUITICHANSHENGPOHUAIXINGYINGXIANG。LANZAODEFANGZHIYINGANZHAO“YIFANGWEIZHU,FANGZHONGYUZHI,DUOGUANQIXIA,ZONGHEZHILI”DEFANGZHEN,CONGWENTIDEYUANTOUZHESHOUZHILICAINENGQUDELIANGHAODEFANGZHIXIAOGUO。

            海参池塘出现蓝藻时,水色绿色中带些蓝,下风口有时漂有一些蓝白的沫沫,池塘有腥味,海参状态不好,粪便短,池底溶氧底。如图:

            大发棋牌下载CHULIFANGAN:DIYITIANSHANGWUWAIPO“SHUANGYANGSHUI”5JINMEIMU,XIAWU“SHUANGDIAN”YIBAOLIANGMUPEIHE“DIJUTANG863”YIBAOLIANGMU,TONGSHIDAKAIZENGYANGJI。DISANTIAN“DIQIAO”YIBAOLIANGMU。

            原理分析:双氧水的强氧化作用对于蓝藻有很强的杀伤力,水里的蓝藻大面积杀死后,应该先用化学改底,快速对池底进行改良,并且最好对海参外泼一些抗应激产品,之后在用底巧对死亡的藻类进行生物分解。

            XIAOGUORUTU:

            案例:山东头村王老板4月中旬进水后,水色一直不见底,绿色里带点蓝色,下风口透明度更低,腥味,海参状态差,粪便少,镜捡蓝藻多,主要是颤藻和微囊藻。

            大发棋牌下载CHULI:WANGLAOBAN30MUNIDIDIZHICHITANG,YONGLE6TONGSHUANGYANGSHUI,ZAIXIAFENGKOUCHULIANGDAXIE,XIAWUWAIPO“SHUANGDIAN”HE“DIJUTANG863”YIBAOLIANGMU,GETIANYOUYONG“DIQIAO”YIBAOLIANGMU。

            效果:如上图,水一清到底,海参状态明显变好,伸展好,粪便增多,晚上下滩海参大大增多。

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