人(ren)工(gong)清(qing)除(chu)漂(piao)浮(fu)的(de)水(shui)草(cao)及(ji)腐(fu)爛(lan)的(de)水(shui)草(cao)應(ying)隨(sui)時(shi)撈(lao)出(chu)水(shui)麵(mian)。池(chi)中(zhong)生(sheng)長(chang)過(guo)多(duo)的(de)水(shui)草(cao)可(ke)以(yi)利(li)用(yong)刀(dao)具(ju)割(ge)除(chu),並(bing)移(yi)出(chu)池(chi)外(wai)。但(dan)應(ying)注(zhu)意(yi)每(mei)次(ci)同(tong)一(yi)池(chi)中(zhong)不(bu)能(neng)割(ge)得(de)過(guo)多(duo),可(ke)以(yi)在(zai)同(tong)一(yi)池(chi)中(zhong)分(fen)點(dian)交(jiao)叉(cha)割(ge)除(chu),最(zui)好(hao)控(kong)製(zhi)總(zong)量(liang)的(de)1/3以yi下xia,同tong時shi要yao防fang止zhi水shui草cao割ge除chu時shi,攪jiao動dong池chi水shui及ji帶dai動dong腐fu爛lan的de草cao根gen,在zai高gao溫wen下xia敗bai壞huai水shui質zhi,引yin起qi缺que氧yang。也ye可ke在zai池chi中zhong間jian隔ge割ge出chu一yi些xie草cao路lu,縱zong橫heng於yu池chi中zhong各ge處chu,讓rang河he蟹xie有you自zi由you活huo動dong的de通tong道dao。
緩慢加深池水發現池中水草生長過快,應提前加深池水讓草頭沒入水麵30limiyixia,yiyizhiqishengchang。zheyang,zaigaowenjijie,yekebimiancaotoufuzaishuimianyuyangguangdepushaierfulansiwang。jiashuishi,yinghuanmanjiaru,bunengyicijiadeguoduo,rangshuicaoyougeshiyingdeguocheng,fouzehuifashengsicao,shideqifan。
加jia入ru適shi量liang增zeng氧yang藥yao物wu水shui草cao過guo多duo的de池chi塘tang,如ru發fa現xian天tian氣qi悶men熱re,氣qi壓ya過guo低di,一yi時shi難nan以yi割ge草cao的de情qing況kuang下xia,應ying采cai取qu人ren工gong急ji救jiu的de措cuo施shi來lai防fang缺que氧yang,但dan千qian萬wan不bu要yao臨lin時shi割ge草cao和he加jia換huan新xin水shui,這zhe樣yang會hui攪jiao動dong池chi底di,讓rang汙wu物wu泛fan起qi,結jie果guo會hui雪xue上shang加jia霜shuang。正zheng確que的de方fang法fa是shi人ren工gong先xian施shi入ru一yi些xie增zeng氧yang藥yao物wu,以yi補bu充chong水shui體ti氧yang氣qi的de不bu足zu。最zui好hao施shi入ru片pian狀zhuang的de長chang效xiao增zeng氧yang藥yao物wu,以yi讓rang其qi緩huan慢man地di釋shi放fang氧yang氣qi。待dai天tian氣qi和he氣qi壓ya狀zhuang況kuang好hao轉zhuan後hou,再zai正zheng常chang割ge草cao和he加jia換huan新xin水shui。
水質調節措施水草“瘋長”的池塘,爛草及汙物一般很多,若在大雨過後及人工割除的情況下,短期內水質都會不好,這時應施入水質解毒劑、富碘、生石灰等淨化水質藥物,以便澄清水體,殺滅病菌。
此外,還可引導養殖戶少種菹草、伊樂藻等夏天易死亡及腐爛的水草,多種輪葉黑藻、金魚藻等種類。也可各種水草都交叉種一些,這樣就會營造良好的水草環境,不會形成某一種水草“瘋長”的狀況。
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