Kwezolimo zanamuhla, ukusetshenziswa kwesayensi nobuchwepheshe sekuyindlela ebalulekile yokuthuthukisa ukusebenza kahle kokukhiqiza nokuqinisekisa ukuphepha kokudla. Ngokuthandwa kwezolimo ezinembile, ukuphathwa kwenhlabathi kuya ngokuya kuba yinto ebaluleke kakhulu. Njengethuluzi lezolimo elivelayo, izinzwa zomhlabathi eziphathwa ngesandla ziyashesha ukuba “umsizi omuhle” kubalimi nakubaphathi bezolimo ngezici zazo ezilula nezisebenzayo. Lesi sihloko sizokwethula imisebenzi nezinzuzo zezinzwa zomhlabathi eziphathwa ngesandla futhi sabelane ngecala lokusebenza elisebenzayo ukukhombisa amandla azo amakhulu ekukhiqizweni kwezolimo okusebenzayo.
Iyini inzwa yomhlabathi ephathwa ngesandla?
Inzwa yomhlabathi ephathwa ngesandla iyithuluzi eliphathekayo elilinganisa ngokushesha inani lemingcele ebalulekile enhlabathini, njengomswakama wenhlabathi, izinga lokushisa, i-pH, kanye ne-EC (ukuqhuba ngogesi). Uma kuqhathaniswa nezindlela zokuhlola inhlabathi zendabuko, le nzwa iyashesha, isebenza kahle futhi kulula ukuyisebenzisa, inikeza abalimi kanye nochwepheshe bezolimo impendulo yedatha esheshayo yokukhula kwezitshalo okunempilo kanye nokuphathwa kwenhlabathi.
Izinzuzo zezinzwa zenhlabathi eziphathwa ngesandla
Ukutholwa kwedatha ngesikhathi sangempela: Izinzwa zenhlabathi eziphathwa ngesandla zinikeza ulwazi olunembile lwenhlabathi ngemizuzwana ukuze kusizwe abalimi benze izinqumo ezisheshayo.
Ukulula kokusebenzisa: Izinzwa eziningi eziphathwa ngesandla zilula ngokuklama futhi kulula ukuzisebenzisa, futhi zimane zifake inzwa enhlabathini ukuze zithole idatha edingekayo, kwehlisa umkhawulo wobuchwepheshe.
Ukuhlanganiswa kwemisebenzi eminingi: Amamodeli amaningi aphezulu ahlonyiswe ngemisebenzi eminingi yokuzwa ukuze kulinganiswe izinkomba eziningi zenhlabathi ngasikhathi sinye, okusekela ukuqonda okuphelele kwezimo zenhlabathi.
Ukufakwa kwedatha nokuhlaziywa: Izinzwa zenhlabathi zesimanje eziphathwa ngesandla zivame ukuhlonyiswa ngamakhono okugcina amafu nokuhlaziya idatha, okuvumela abasebenzisi ukuthi balandelele kalula izinguquko zenhlabathi futhi bathuthukise amasu okuphatha ngokusekelwe kudatha yomlando.
Icala langempela: Indaba yempumelelo yepulazi
Epulazini lokubonisa ezolimo e-Australia, abalimi bebelokhu besebenza ukuthuthukisa isivuno kanye nekhwalithi kakolweni. Kodwa-ke, ngenxa yokuntuleka kokuqapha okunembile kwempilo yomhlabathi, bavame ukubala kabi ukunisela kanye nokufaka umanyolo, okuholela ekuchithekeni kwezinsiza kanye nokukhula kwezitshalo okubi.
Ukuze kuthuthukiswe isimo, umphathi wepulazi wanquma ukwethula izinzwa zomhlabathi eziphathwa ngesandla. Ngemva kochungechunge lokuqeqeshwa, abalimi bafunda ngokushesha ukuthi bangawasebenzisa kanjani ama-sensor. Nsuku zonke, babesebenzisa ithuluzi ukukala umswakama wenhlabathi, i-pH kanye nokuqhuba kukagesi emikhakheni ehlukene.
Ngokuhlaziya idatha, abalimi bathole ukuthi i-pH yomhlabathi yensimu eyodwa yayine-asidi, kanti eyensimu enye yayinosawoti omningi. Ngenxa yedatha yesikhathi sangempela evela ezinzwa zomhlabathi eziphathwayo, bathathe izinyathelo ngokushesha zokulawula inhlabathi, njengokusebenzisa i-lime ukukhulisa i-pH nokuthuthukisa izimo zokukhipha amanzi. Uma kukhulunywa ngokunisela, bangalawula ngokunembile amanzi ngokusekelwe kudatha yomswakama wenhlabathi, bagweme ukuphindaphindwa okungadingekile kokunisela.
Ngemva kokuqaliswa kwesizini yokukhula, isivuno sikakolweni sisonke epulazini sikhuphuke ngo-15%, kanti nekhwalithi kakolweni nayo ithuthukisiwe kakhulu. Okubaluleke kakhulu, abalimi baqala ukuqaphela ukubaluleka kokuphathwa kwesayensi futhi kancane kancane bakha isiko lokuphathwa kwezolimo eliqhutshwa idatha.
Isiphetho
Njengethuluzi elibalulekile kwezolimo zanamuhla, izinzwa zomhlabathi eziphathwa ngesandla zinikeza ukwesekwa okuqinile kokuguqulwa kwedijithali embonini yokutshala. Njengoba ubuchwepheshe buqhubeka nokuthuthuka, lawa madivayisi azoba ahlakaniphile futhi abe namandla kakhulu, athuthukise kakhulu ukusebenza kahle kokuphathwa komhlabathi futhi akhuthaze intuthuko esimeme. Kuye kwafakazelwa ngomkhuba ukuthi izinzwa zomhlabathi eziphathwa ngesandla azikwazi nje ukuxazulula izinkinga ezisebenzayo ekukhiqizweni kwezolimo kwamanje, kodwa futhi zihlinzeka ngendlela entsha yentuthuko yabalimi nabaphathi bezolimo. Masingene enkathini entsha yezolimo ezihlakaniphile ndawonye, futhi sivumele isayensi nobuchwepheshe kufake umbala empilweni engcono!
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Isikhathi sokuthunyelwe: Ephreli-02-2025