Kwezolimo zanamuhla, ukusetshenziswa kwesayensi nobuchwepheshe sekuyindlela ebalulekile yokuthuthukisa ukusebenza kahle kokukhiqiza nokuqinisekisa ukuphepha kokudla. Ngokuduma kokulima okunembayo, ukuphathwa kwenhlabathi kuya ngokuya kubaluleke kakhulu. Njengethuluzi lezolimo elikhulayo, izinzwa zomhlabathi eziphathwa ngesandla ngokushesha ziba "umsizi omuhle" kubalimi nabaphathi bezolimo ngezici zabo ezilula nezisebenza kahle. Lesi sihloko sizokwethula imisebenzi kanye nezinzuzo zezinzwa zenhlabathi eziphathwa ngesandla futhi sabelane ngodaba olusebenzayo lokubonisa amandla azo amakhulu ekukhiqizweni kwezolimo.
Iyini inzwa yomhlabathi ephathwa ngesandla?
Inzwa yomhlabathi ephathwa ngesandla iyisisetshenziswa esiphathwayo esikala ngokushesha inani lemingcele ebalulekile enhlabathini, njengokuswakama kwenhlabathi, izinga lokushisa, i-pH, ne-EC (i-electrical conductivity). Uma kuqhathaniswa nezindlela ezivamile zokuhlola inhlabathi, lenzwa iyashesha, iyasebenza futhi kulula ukuyisebenzisa, ihlinzeka abalimi nochwepheshe bezolimo ngempendulo yedatha esheshayo yokukhula kwezitshalo okunempilo nokuphathwa kwenhlabathi.
Izinzuzo zezinzwa zomhlabathi eziphathwa ngesandla
Ukuthola idatha yesikhathi sangempela: Izinzwa zomhlabathi eziphathwa ngesandla zinikeza ulwazi olunembile lwenhlabathi ngemizuzwana ukusiza abalimi ukwenza izinqumo ezisheshayo.
Ukusebenziseka kalula: Izinzwa eziningi eziphathwa ngesandla zilula ekwakhiweni futhi kulula ukuzisebenzisa, futhi umane ufaka inzwa emhlabathini ukuze uthole idatha edingekayo, wehlise umkhawulo wobungcweti.
Ukuhlanganiswa kwemisebenzi eminingi: Amamodeli amaningi asezingeni eliphezulu afakwe imisebenzi eminingi yokuzwa ukulinganisa izinkomba eziningi zenhlabathi ngesikhathi esisodwa, okusekela ukuqonda okuphelele kwezimo zenhlabathi.
Ukugawulwa kwedatha nokuhlaziya: Izinzwa zomhlabathi eziphathwa ngesandla zesimanje zivame ukuhlonyiswa ngamakhono okugcina amafu nokuhlaziya idatha, okuvumela abasebenzisi ukuthi balandelele kalula izinguquko zenhlabathi futhi bathuthukise amasu okuphatha ngokusekelwe kudatha yomlando.
Indaba yangempela: Indaba yempumelelo yepulazi
Epulazini lemibukiso yezolimo e-Australia, abalimi bebesebenzela ukuthuthukisa isivuno nezinga likakolweni. Kodwa-ke, ngenxa yokuntuleka kokuqapha okunembile kwempilo yenhlabathi, bavame ukubala ngokungalungile ukuchelela nokuvundisa, okuholela ekumoshweni kwezinsiza kanye nokukhula okubi kwezitshalo.
Ukuthuthukisa isimo, umphathi wepulazi wanquma ukwethula izinzwa zomhlabathi ezibanjwa ngesandla. Ngemva kochungechunge lokuqeqeshwa, abalimi basheshe bafunda ukusebenzisa izinzwa. Nsuku zonke, basebenzisa ithuluzi ukukala umswakama wenhlabathi, i-pH kanye nokuhamba kukagesi emikhakheni ehlukene.
Ngokuhlaziya imininingwane, abalimi bathola ukuthi inhlabathi ye-pH yensimu ethile yayine-asidi, kuyilapho eyenye insimu yayinosawoti omningi. Ngenxa yedatha yesikhathi sangempela evela ezinzwa zomhlabathi eziphathwa ngesandla, ngokushesha bathatha izinyathelo zokulawula inhlabathi, njengokufaka umcako ukuze bakhuphule i-pH nokuthuthukisa izimo zokudonsa amanzi. Uma kuziwa ekuniseleni, bangakwazi ukulawula amanzi ngokunembile ngokusekelwe emininingwaneni yomswakama wenhlabathi, ukugwema ukuphindaphinda okungadingekile kokunisela.
Ngemva kokuqaliswa kwenkathi yokukhula, isivuno sikakolweni sisonke epulazini senyuke ngo-15%, kanti nezinga likakolweni liye laba ngcono kakhulu. Okubaluleke nakakhulu, abalimi baqala ukubona ukubaluleka kokuphathwa kwesayensi futhi kancane kancane bakha isiko lokuphatha ezolimo eliqhutshwa idatha.
Isiphetho
Njengethuluzi elibalulekile kwezolimo zanamuhla, izinzwa zenhlabathi eziphathwa ngesandla zinikeza ukwesekwa okuqinile kwenguquko yedijithali yemboni yokutshala. Njengoba ubuchwepheshe buqhubeka buthuthuka, lezi zisetshenziswa zizohlakanipha futhi zibe namandla kakhulu, zithuthukise kakhulu ukusebenza kahle kokuphathwa kwenhlabathi futhi zikhuthaze intuthuko esimeme. Kuye kwafakazelwa ngomkhuba ukuthi izinzwa zomhlabathi eziphathwa ngesandla azikwazi nje ukuxazulula izinkinga ezingokoqobo ekukhiqizeni kwamanje kwezolimo, kodwa futhi zinikeze indlela entsha yokuthuthukisa abalimi nabaphathi bezolimo. Masingene enkathini entsha yezolimo ezihlakaniphile ndawonye, futhi sivumele isayensi nobuchwepheshe kwengeze umbala empilweni engcono!
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Isikhathi sokuthumela: Apr-02-2025