Kufundisweni, ukugcina izihlahla eziyintando kubalulekile kakhulu. Abafundi bahlala baphumelela ngemiphumela yezilwane zokuhlupha ozinye zokudla kwabo. Ukuhlupha lezi zilwane, abaningi besebenzisa izilwane zokuhlupha ezithile. Lezi ziyizikimi ezithile ezinconywa izihlahla kuzilwane nezinye izilwane zokuhlupha. Ronch yingxenye eyazimele ekwenzeni izinkampani ezisiza abafundi ukugcina izinkulungwane zabo eziphakeme. Izilwane zokuhlupha ezithile zisebenza kahle kunezinye. Ngaphandle kokuthi zibhishwe kuphela emaphakathini kwezihlahla, lezi ziya kusuka emanzini kwezihlahla. Kona, uma zilwane zokuhlupha zidla amaphakathi, zihlupheka ngezilwane zokuhlupha ezikwi-plant. Le ndlela iyagcina izihlahla kahle futhi iyavumela ukuthi izinkulungwane zizwe kahle nezintando.
Amaphethisidi ethiyoqondile ayisilinganiso. Aqondwa ngamazwe futhi aqhubeka kuzo zonke izinye zazo. Bheka umzwe othanda ukudla amanzi atholakala nempilo. Uma umzwe uqonda ipethisidi, iyakwakha kumzwe. Uma inyoni yodla izinye zokugcina noma izinye zokuphakama, iyakudla ipethisidi futhi. Lokhu kuyakwenza inyoni ishwele noma ikhale. Isibonelo, umfazimkhulu uyasebenzisa ipethisidi ethiyoqondile emaizini, amaizi aqonda kona ngemithambo yayo. Emva kwalokho, uma umshayana udla amaizi, uyakuthola ipethisidi, ngakho akakwazi ukwenza imiphumela emibi kumzwe. Lokhu kuyasebenza kakhulu kumafazimkhulu ngoba kubhekisa izilwane zokuhlambulula ngaphandle kokubhisha zonke izinye zokugcina kabusha. Kuyakwenzeka futhi ukuthi ipethisidi ibe yisilinganiso eside, ibhukisa umzwe ngokude okude. Kodwa, kubalulekile ukusebenzisa kahle. Ukusebenzisa okuningi kungakwenza imiphumela emibi kuzilwane eziphakeme noma kumhlaba. Abafazimkhulu kufanele bafunde amazwi okusebenzisa ngokomlando ukuze bakhathale amazwe futhi bakhubaze amazwe noma izilwane ezizungezwe.
Ukusebenzisa izipharakhemikhali zokuphatha izilwane zokuhlambulula ekhaya kunezinkinga eziningi. Indlela eyodwa enkulu yokuqiniseka kwazo. Ngoba zisebenza ngaphakathi kwesihlahla, zibhala izilwane zokuhlambulula ngeminyaka emide. Lokhu kuthabatha ukuthi abafundi bazishele ngokungafani, bakhitha isikhathi nesizothando. Futhi, lezi zipharakhemikhali zinconywa izilwane zokuhlambulula ezingatholakali kahle. Izilwane zokuhlambulula eziphakathi kwamaphepha noma ngaphakathi kwezinye izinto, zingatholakali kahle ukushelela ngqo. Ngezinye izipharakhemikhali, abafundi bakhona ngokuzimela njengoba izipharakhemikhali ziyaphakathi. Indlela eyodwa enkulu yokuqiniseka kwazo kukuthi kubonakala ukuthi kubuyiswe ukuthuthukisa kwezincwadi. Uma izihlahla zihle nazo zibhalekile, zithola izindlu noma izicelo. Lokhu kuyasebenza kubafundi ngoba bazithengisa ngaphezu kwezinye futhi bavuma izimali ephakeme. Ngaphezu kwalokho, ukushelela okuncane kuthabatha ukuthi kunezinkambo ezingafanele kumhlaba noma kwezindlu, kuyasebenza kumhlaba noma kwezindlu. Kodwa, abafundi baya kubona ukuthi baze baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baphinde baph...... Umkhuhlane wesibhakabhaka .
Amaphethiside eziphakanyiswa ngokupheleleyo ayizinkimitha ezithile ezikusiza abafundi ukuthandaza izimpilo zokuzalisa okuhle. Ngaphandle kwezinkimitha zokuzalisa eziphakanyiswa ngokupheleleyo ozokwenzela ukuthi zibe phakathi kwempilo, lezi zingena ngaphakathi kwempilo. Lokhu kusho ukuthi uma impilo ithatha lezi, zihamba ngaphakathi kwamaphakathi, amasosha, nezinye izinyathelo. Kuyamangaliswa ngoba kusiza ukuthi iphethiside isebenze ngaphakathi kuya kuze kusuka ngaphandle, ukulondoloza kubugwinya nezifo. Uma impilo ilondoloziwe, iyazalisa ngokuhle futhi iyaprodukha izilwane eziningi noma izinyathelo. Umsebenzi wokusebenzisa i-Ronch iphethiside eziphakanyiswa ngokupheleleyo, abafundi bakhona izilwane ezingaphezu kwezinye noma izinyathelo ezingaphezu kwezinye. Ngoba lezi iphethiside zilabona izibugwinya ezingavumelekile nezifo ezinconywa impilo. Ngokuhlola, abafundi bakhula izilwane eziningi, okusiza ukulondoloza izifundo.
Futhi, ngaphezu kwezinye izimpilo, izipharasitidi zesistimu zihlela ubukhulu bokudla. Izimpilo eziyisisekelo ziyathanda kakhulu futhi zibonakala nezinkundla. Ngakho-ke abantu bafuna ukudla amaphuthu nezinye izilwane ezizwele ngazo. Ziyisisekelo kakhulu futhi. Lokhu kukuthi abafundi bakhetha izipharasitidi eziphelele njengezika Ronch ukuze bafumane imiphumela emihle kakhulu. Uma kusebenziswa ngendlela efanele, bakhuthaza izimpilo eziningi nezikhulu kakhulu. Lokhu kubangela ukuthi abafundi bafumane imali emihle kakhulu, okuyisisekelo sokuphila kwezwe. Ngokufuphi, izipharasitidi zesistimu ziyisixwayiso esisisekelo sokuthenga izimpilo eziningi futhi ukuthenga ubukhulu bokudla obuhle.
Ukusebenzisa izipharasitidi zesistimu ngendlela efanele kuyisisekelo esisisekelo sokufumana imiphumela emihle. Okokuqala, funda amazwi okugcina ngokusebenzisa izipharasitidi. Ayabona ukuthi kufanele kusebenziswe kangakanani futhi isikhathi esihle sokusebenzisa. Ukusebenzisa ukulinganisa okufanele kuyisisekelo esisisekelo, ngoba uma kusebenziswa okuncane kakhulu kungasebenzi, uma kusebenziswa okude kakhulu kungahleli impilo. Abafundi bafunda futhi iklimate. Isikhathi esihle sokusebenzisa kuyi-klimate engabi nempilo yomoya noma umvula. Uma umvula uyavula emva kwalokho, kungahleli futhi kungasebenzi.
Kodwa indlela yokusebenzisa iyinkimbinkimbi enye. Amaphethisidi amahle ayisebenzisa ngendlela ezinye, njengokuthi kusuka emhlabeni noma ukubhisha izinye zemithi. Uma kuyasebenziswa emhlabeni, qinisa ukuthi umhlaba uyisilungile. Lokhu kusiza umthi ukuthi akwazi ukufunda kahle. Uma kubhishwa, bhisha wonke umthi. Abafundi bakhwela iziqephu zokulinda ukuze bakholekwe ngalezi zikhemikhali. Emva kokusebenzisa, londola izihlahla ngokushesha. Hlola uma kunezinyawo zokuhlupha noma izifo eziqhubekayo. Uma izinkinga ziqhubeka, kuzodingeka ukusebenzisa kabusha. U-Ronch unakho umlando wokusiza abafundi ukufunda izindlela zokusebenzisa amaphethisidi amahle ngendlela enobunikazi. Ngokulandela lezi zindaba, abafundi bafumana isiphumo esikhulu, okusiza izihlahla ukuba zibe nezinhlobo zokuzalisa nezinhlobo zokuzalisa.
Ronch iyadlula ukuba yisibonelo sesikhundla sokugcina umhlaba. Ronch yilizithelo lokuvikela izinyawo ezinamandla, eliqondile kumsebenzi wokubhukuda nokuthanda kwezindawo zokusebenza. Kuyasebenza ngokuziphatha ngokwesiko lwakhe lwesivikeli nesifundo futhi sibhukude kuthembeka emithombo yezintshayelelo eziphambili futhi sibhukude ukuphendula kuzinto ozohlanganisa.
Kwinqakathi le-kuhlanganisa ne-bhakhetha, u-Ronch uyasebenzisa isikhalazo sesifundo sokuthi "ubukhulu yisipho se-Malathion", wabona amabhizinisi amaningi kuzo zonke izindlela zokufumana izinto zokusebenza zezikhungo zemithambo, futhi wasebenza ngokujabulisa nokuhle nangokugcina ngokuphelele nabaphathi abaningi bokuvakasha nezibhizinisi eziphakeme, futhi wabona ubuhle obukhulu ku-Ronch kwinqakathi yokuqonda kwezinhlanzi zokuphatha izinhlanzi. Ubukhulu bekompani buyakwakhiwa ngokusebenza ngokwenzeka ngokuphelele nokuzimela. Kuyakwazi ukufika emaphakathini amaningi okuziphatha kwezinhlanzi futhi ukunikeza izinsiza zokuziphatha ezinkulu.
fipronil isinika usizo oluphelele kubasebenzi bethu kuzonke izikhathi zokuhlanzwa nokulahla izilwane zokuhlupha. Lokhu kwenziwa ngokuxhumana kwezibalo zokuvumela ukuthi sibone kompani yabo ngokufanele, nokunika izisombululo esihle nokusebenza ngokuphelele kulesilwane sokuhlupha. Izindlela zethu zokuthengiswa kuzo zingaphezu kwe-10,000 tons ngonyaka, lokhu kuyisiphumo sokuzimela kwezinyanga eziyinkulu zokuqondisa nokuthuthukisa izinto. Isithembiso sethu sezinga lika-60 lisizwa ukusebenza nako futhi lisinika izinto nezinsiza ezihle kakhulu kumongo.
Ronch uyabizisa izinhlangano eziningi zezinto zokusebenza ukusiza kwakho ngomshado wakho. Lokhu kufaka isibonelo samahlelo onke okukhethekileyo okwenziwa ukuthula nokuvula, futhi kufaka izinhlangano zonke ezingama-4 zezinto zokuphatha, nezinhlangano zonke nezinkampani ezwenziwe ukusebenza ngezinkampani zonke. Zonke izinhlangano ziyasezilisteni zezinhlangano eziphelele zokubizwa ngu-World Health Organization. Zisebenziswa ngokwanele emashadweni njengekuthula kwamaphuzi, amavumbi, amafly, amavumbi, amantsikana, amatermites, namantsikana amancane omkhovu, futhi kusenqumeni yezinsizakalo zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha izinhlangano zokuphatha......
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