物理調控法 該法是采用沉澱池過濾或沸石粉吸咐,將養殖水體中的雜質和汙染物去除。此法不會對養殖環境造成二次汙染。
化學調控法 即采用生石灰、漂白粉、絮凝劑、含han氯lv或huo含han溴xiu消xiao毒du劑ji以yi及ji一yi些xie染ran料liao等deng有you機ji或huo無wu機ji化hua合he物wu來lai改gai善shan水shui質zhi。這zhe種zhong方fang法fa是shi治zhi標biao不bu治zhi本ben的de方fang法fa,隻zhi能neng在zai短duan期qi內nei產chan生sheng效xiao應ying,且qie在zai改gai良liang水shui環huan境jing的de同tong時shi,會hui對dui水shui產chan動dong物wu產chan生sheng不bu良liang影ying響xiang,有you些xie甚shen至zhi會hui對dui環huan境jing與yu食shi品pin安an全quan產chan生sheng重zhong大da影ying響xiang,故gu要yao慎shen重zhong使shi用yong。
生物調控法 采用水草的種植、螺螄的放養、有益菌的添加和浮遊生物的培育(如施肥)等,利用有益微生物在水體吸收氨氮、yaxiaosuandanjiliuhuaqingdeng,nengyouxiaofenjiedafenziyoujiwu,tongshiyizhizhibingjundedaliangfanzhi。gaifashimuqianbijiaoliuxingdexinxingchulifangfa,yeshituixinglvseyangzhidezuijiacuoshi。。kegenjuyangzhipinzhongxuanzexiangyingdeshengwutiaokongfa。
目前應用最廣泛的有益菌是光合細菌。應用光合細菌應注意:配合使用。該菌的活菌形態微細、bizhongxiao,ruocaiyongzhijieposadefangfa,qihuojunbuyichenjiangdaochitangdibu,wufaqidaolianghaodegaishandihuanjingdexiaoguo。yinci,jianyiquanchiposaguanghexijunshi,jinliangjiangqiyufeishifenhejiyingyong,zheyangjinengjianghuojunxunsuchenjiangdaodibu,younengqidaoxifuandexiaoguo。shiwenshiyong。shiyongguanghexijundeshiyishuiwenwei15℃~40℃,較適水溫為28℃~36℃,因而宜掌握在水溫20℃yishangshishiyong。yinyutianwuyong。yufeihunyong。jiangguanghexijunyuyoujifeihuowujifeihunheyingyong,kemingxianzengqiangshiyongxiaoguo。shishuizhishiyong。yaogenjushuizhishijizhuangkuangjuedingyingyongfangfa:水質較肥時,使用光合細菌可促進有機汙染物的轉化,避免有害物質積累,改善水體環境和培育天然餌料,保證水體溶氧;水質清瘦時,使用光合細菌前應先施肥,以保持光合細菌在水體中的活力和繁殖優勢,降低使用成本;在酸性水體中使用光合細菌,應先施用生石灰,間隔3~4天再使用光合細菌;要避免與消毒殺菌劑混合使用。
手機版




