Umhla: 9 kaJanuwari 2025
Indawo: eLima, ePeru —Njengoko imfuno yokulima iintlanzi ezizinzileyo ikhula kwihlabathi liphela, ukungeniswa kwee-sensors ze-chlorine ezihlala zixinezelekile kuyayitshintsha indlela ezisebenza ngayo kushishino. Ezi nkqubo zokubeka esweni ziphucukileyo, eziqinisekisa umgangatho wamanzi ofanelekileyo kwiindawo zokulima iintlanzi, ziya zithandwa ePeru, eMelika nakwamanye amazwe, nto leyo ebonisa utshintsho olukhulu kwindlela iintlanzi kunye neentlanzi zaselwandle ezifuywa ngayo.
I-chlorine isetyenziswa kakhulu ekukhuliseni iintlanzi ukuze kubulawe iintsholongwane emanzini, kuthintelwe ukusasazeka kwezifo ezibangelwa zizifo kunye nokuqinisekisa impilo yeentlobo zezilwanyana zasemanzini. Nangona kunjalo, umngeni ubukukugcina amanqanaba afanelekileyo e-chlorine ngaphandle kokubeka ubungozi kwiintlanzi. Kulapho ke izinzwa ze-chlorine ezihlala zixineneyo zisebenza khona. Ngokungafaniyo neenkqubo zemveli zokujonga, ezibonelela ngokufundwa rhoqo, ezi zinzwa zibonelela ngedatha eqhubekayo, yexesha langempela kumanqanaba e-chlorine, evumela abalimi ukuba benze uhlengahlengiso ngoko nangoko njengoko kufuneka.
EPeru, apho ukulima iintlanzi kuye kwaba yinxalenye ebalulekileyo yezoqoqosho, ukwamkelwa kwezi sensors kungqineka kuluncedo kakhulu. Iifama ezininzi zeentlanzi zasePeru, ingakumbi ezo zigxile kwi-shrimp kunye ne-tilapia, zibike ukwanda kwamazinga okusinda kunye nomgangatho wemveliso ukusukela oko kwadityaniswa ii-sensors ze-chlorine ezihlala zixinene. “Sibone ukwehla okuya kuthi ga kwi-30% kumazinga okufa kweentlanzi ukusukela oko kwafakwa ezi sensors,” utshilo uEduardo Morales, umnini wefama ye-shrimp ePiura. “Ingxelo yexesha langempela isenza sikwazi ukusabela ngokukhawuleza kutshintsho lomgangatho wamanzi, nto leyo ibalulekileyo.”
Iingenelo zezi sensors ziphambili azipheleli ePeru kuphela. E-United States, imisebenzi yokulima iintlanzi elunxwemeni nayo isebenzisa obu buchwepheshe. UMichael Johnson, isazi sebhayoloji yaselwandle kunye nomcebisi wezolimo zaselwandle oseFlorida, ucacisile wathi, “Ngokuhlala ejongiwe, iifama zinokuphucula ukusetyenziswa kwazo kwe-chlorine, zinciphise iindleko kwaye zinciphise impembelelo yokusingqongileyo. Oku kubaluleke kakhulu njengoko abathengi befuna ukuba izinto zicace kwaye ziqhubeke nokugcinwa kwemveliso yokutya kwaselwandle.”
Ngaphezu koko, amazwe akuMzantsi-mpuma weAsia naseYurophu nawo ayayibona inzuzo yezi sensor. EVietnam, apho ishishini leeshrimp lichuma khona, abalimi bamkela ubuchwepheshe obuvumela ulawulo olungcono lwamanqanaba e-chlorine, nto leyo ekhokelela ekuphuculweni kokhuseleko lwemveliso kunye nokunciphisa inkunkuma. Okwangoku, iinkampani zezolimo zasemanzini zaseYurophu zisebenzisa ubuchwepheshe obufanayo ukujongana nemithetho ye-EU malunga neentsalela zeekhemikhali kwiimveliso zokutya kwaselwandle.
Nangona yamkelwe kakuhle, iingcali ziphawula ukuba ukwamkelwa ngokubanzi kuya kufuna imfundo kunye notyalo-mali kuqeqesho lwabaqhubi bezolimo zasemanzini. “Le teknoloji ngokwayo ilula, kodwa ukuqonda indlela yokutolika nokwenza ngokwedatha ebonelelwayo kunokuba nzima kwabanye abalimi,” utshilo uGqr. Sara Tello, umphandi wezolimo zasemanzini kwiYunivesithi yaseFlorida. “Iindibano zocweyo kunye nemiboniso ziya kuba zibaluleke kakhulu ekuncedeni abalimi kwiindawo ezahlukeneyo ukuba basebenzise obu buchwepheshe.”
Ukuhlanganiswa kwee-sensors ze-chlorine ezihlala zixinezelekile kuvula ithuba lokuqhubela phambili ekujongeni umgangatho wamanzi. Amaqela ophando sele ehlola ithuba lokudibanisa ezi sensors nezinye izixhobo zokujonga okusingqongileyo, ezifana ne-pH, ubushushu, kunye neesensors ze-ammonia, ukuze kwenziwe iinkqubo ezibanzi zokujonga umgangatho wamanzi.
Njengoko ishishini lezolimo zasemanzini lifuna ukulinganisela ukusebenza kakuhle kwemveliso kunye nempembelelo yokusingqongileyo, ubuchwepheshe obufana nezinzwa ze-chlorine ezihlala zixinezelekile ziya kuba yinto engabalulekanga. Intsebenziswano phakathi kwabalimi, abaphandi, kunye nababoneleli bezobuchwepheshe iya kuba yimfuneko ekubumbeni ikamva leendlela zokulima zasemanzini ezizinzileyo kwihlabathi liphela.
Kumazwe afana nePeru ne-United States, olu tshintsho alupheleli nje ekuphuculeni imveliso kodwa lukwajolise nasekuqinisekiseni indlela yokuphila yezigidi zabantu abaxhomekeke ekufuyweni kweentlanzi, ukuqinisekisa ukuba banokuchuma kwimarike yehlabathi ehlala ifuna uncedo.
Ukuze ufumane ezinye izixhobo zokuvavanya umgangatho wamanziulwazi,
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Ixesha leposi: Jan-09-2025