Masensa Apamwamba a Chlorine Asintha Machitidwe Olima Madzi ku America konse

Tsiku: Januwale 9, 2025

Malo: Lima, Peru —Pamene kufunika kwa ulimi wa nsomba wokhazikika kukukula padziko lonse lapansi, kuyambitsidwa kwa masensa otsalira a chlorine opanikizika nthawi zonse kukusintha machitidwe m'makampani. Njira zowunikira zapamwambazi, zomwe zimaonetsetsa kuti madzi ndi abwino kwambiri m'malo olima nsomba, zikuyamba kutchuka ku Peru, United States, ndi mayiko ena, zomwe zikuwonetsa kusintha kwakukulu pa momwe nsomba ndi nsomba zimawetedwera.

Chlorine imagwiritsidwa ntchito kwambiri mu ulimi wa nsomba kuti ichotse majeremusi m'madzi, kupewa kufalikira kwa tizilombo toyambitsa matenda komanso kuonetsetsa kuti zamoyo zam'madzi zili ndi thanzi labwino. Komabe, vuto lakhala kusunga chlorine yokwanira popanda kuyika pachiwopsezo ku nsomba. Apa ndi pomwe masensa otsalira a chlorine opanikizika nthawi zonse amagwira ntchito. Mosiyana ndi njira zowunikira zachikhalidwe, zomwe zimangopereka mawerengedwe nthawi ndi nthawi, masensa awa amapereka deta yokhazikika, yeniyeni, yokhudza kuchuluka kwa chlorine, zomwe zimathandiza alimi kusintha nthawi yomweyo ngati pakufunika kutero.

Ku Peru, komwe ulimi wa nsomba wakhala gawo lofunika kwambiri pa chuma, kugwiritsa ntchito masensawa kukuthandiza kwambiri. Mafamu ambiri a nsomba ku Peru, makamaka omwe amayang'ana kwambiri nsomba za shrimp ndi tilapia, anena kuti kuchuluka kwa anthu omwe amapulumuka komanso ubwino wa zinthu zomwe amapeza kuyambira pomwe adaphatikiza masensa otsalira a chlorine. "Tawona kuchepa kwa chiwerengero cha imfa ya nsomba kuyambira pomwe tidayika masensawa," adatero Eduardo Morales, mwiniwake wa famu ya nsomba za shrimp ku Piura. "Ndemanga yeniyeni imatithandiza kuchitapo kanthu mwachangu kusintha kwa ubwino wa madzi, zomwe ndizofunikira kwambiri."

Ubwino wa masensa apamwamba awa si ku Peru kokha. Ku United States, ntchito zoweta nsomba m'mphepete mwa nyanja zikugwiritsanso ntchito ukadaulo uwu. Michael Johnson, katswiri wa zamoyo zam'madzi komanso katswiri wa zaulimi wa nsomba wokhala ku Florida, anafotokoza kuti, "Ndi kuyang'aniridwa kosalekeza, minda imatha kugwiritsa ntchito bwino chlorine, kuchepetsa ndalama ndikuchepetsa kuwonongeka kwa chilengedwe. Izi ndizofunikira kwambiri chifukwa ogula akufuna kuti pakhale kuwonekera bwino komanso kukhazikika pakupanga nsomba."

Komanso, mayiko akumwera chakum'mawa kwa Asia ndi ku Ulaya akuonanso ubwino wa masensawa. Ku Vietnam, komwe makampani opanga nkhanu akupita patsogolo, alimi akugwiritsa ntchito ukadaulo womwe umalola kuti chlorine isamalidwe bwino, zomwe zimapangitsa kuti chitetezo cha zinthu chikhale bwino komanso kuti zinyalala zichepe. Pakadali pano, makampani a ulimi wa nsomba ku Europe akugwiritsa ntchito ukadaulo wofananawu kuti athetse malamulo a EU okhudza zotsalira za mankhwala muzinthu zam'madzi.

Ngakhale kuti anthu ambiri alandila bwino nkhaniyi, akatswiri akuona kuti kugwiritsa ntchito njira imeneyi kudzafunika maphunziro ndi ndalama zothandizira anthu ogwira ntchito za ulimi wa m’madzi. “Ukadaulowu ndi wosavuta kuumvetsa, koma kumvetsetsa momwe mungatanthauzire ndikugwiritsa ntchito deta yomwe umapereka kungakhale kovuta kwa alimi ena,” anatero Dr. Sara Tello, wofufuza za ulimi wa m’madzi ku University of Florida. “Maphunziro ndi ziwonetsero zidzakhala zofunika kwambiri pothandiza alimi m’madera osiyanasiyana kugwiritsa ntchito ukadaulowu.”

Kuphatikiza masensa otsalira a chlorine omwe amapanikizika nthawi zonse kumatsegulanso khomo lopitira patsogolo pakuwunika ubwino wa madzi. Magulu ofufuza akufufuza kale kuthekera kophatikiza masensawa ndi zida zina zowunikira chilengedwe, monga masensa a pH, kutentha, ndi ammonia, kuti apange njira zonse zowunikira ubwino wa madzi.

Pamene makampani opanga nsomba akuyesetsa kulinganiza bwino ntchito yopanga ndi kuwononga chilengedwe, ukadaulo monga masensa otsalira a chlorine opanikizika nthawi zonse ukukhala wofunikira kwambiri. Mgwirizano pakati pa alimi, ofufuza, ndi opereka ukadaulo udzakhala wofunikira kwambiri popanga tsogolo la machitidwe okhazikika a ulimi wa nsomba padziko lonse lapansi.

Kwa mayiko monga Peru ndi United States, kusintha kumeneku sikuti kungowonjezera zokolola zokha komanso kuteteza miyoyo ya anthu mamiliyoni ambiri omwe amadalira ulimi wa nsomba, kuonetsetsa kuti akukula bwino pamsika wapadziko lonse womwe ukufunidwa nthawi zonse.

Kuti mudziwe zambiri zokhudza ubwino wa madzizambiri,

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