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Esikhathini lapho ukusimama kubaluleke kakhulu, abalimi kanye nabasunguli bezolimo baphendukela emthonjeni wamandla oyingqayizivele: ugesi. Le ndlela yokufaka ugesi, evame ukubizwa ngokuthi inguquko yesine yezolimo, ihlanganisa ukuvuthwa kwezitshalo nembewu ngokusebenzisa amandla kagesi okulawulwayo, okuhloswe ngawo ukukhulisa isivuno nokunciphisa umthelela wendawo. Ngenxa yokukhathazeka okwandayo mayelana nokushintsha kwesimo sezulu, ukungcoliswa komhlaba, nokuvikeleka kokudla, lokhu kuhlanganiswa okusha kobuchwepheshe nezolimo kuthembisa ikusasa eliluhlaza. Kulesi sihloko, sihlolisisa intuthuko yakamuva, imizamo yomhlaba wonke, nezinselele ezizungezile ezolimo zikagesi, sihlola amandla azo okuguqula izindlela zokulima.
Ezolimo zanamuhla zibhekene nenselele enkulu: indlela yokondla abantu abakhulayo emhlabeni wonke kuyilapho kunciphisa ukulimala kwemvelo. Izinqubo zokulima ezivamile, ezihlanganisa ukukhiqizwa kukamanyolo okwenziwa kanye nokusetshenziswa kabi komhlaba okudlangile, kunomthelela omkhulu ekukhiqizweni kwesisi esibamba ukushisa. Ngo-2005, i-athikili ye-BBC yaqokomisa ukuthi imisebenzi yezolimo emhlabeni wonke ibalelwa ku-10 kuya ku-12% wokukhishwa kwegesi ebamba ukushisa minyaka yonke, okwabangela ukukhathazeka phakathi kwezazi zemvelo kanye nochwepheshe bezolimo ngokufanayo.
Ukukhula Kwe-Electroculture
Emzamweni wezindlela zokulima ezisimeme, umqondo we-electrophysiology, noma ukusetshenziswa kukagesi kwezolimo, uya ngokuya ukhula. Ngokomlando kunezimpande ngekhulu le-19, ukufakwa kukagesi kwezitshalo kwakuhloswe ukuthuthukisa ukukhiqizwa kwembali, amaqabunga, nezithelo kuyilapho kulwa nezinambuzane. Namuhla, lo mbono uye washintsha waba yilokho abanye abakubiza ngokuthi inguquko yesine yezolimo, begcizelela izindlela zokulima ezihlakaniphile. Abacwaningi emhlabeni wonke bahlola ukungenelela okuhlukahlukene kagesi ukuze bakhulise isivuno ngenkathi benciphisa umthelela wemvelo.
Izinyathelo Zomhlaba Wonke Nezinto Ezintsha
Eminyakeni yamuva nje, ukwanda kwamaphrojekthi ocwaningo nentuthuko agxile ku-electrophysiology kuye kwafakazelwa emhlabeni jikelele. E-United States, i-National Science Foundation (NSF) iye yatshala izigidi ekuhloleni ukusetshenziswa kwezolimo kwe-plasma ebandayo—umbani olawulwayo otholakala endaweni enezinga lokushisa elivamile. Uhulumeni waseShayina usekela amaphrojekthi amakhulu ezolimo ahlanganisa ukugqugquzela umhlabathi kagesi ukuze kwandiswe isivuno sezitshalo. Ngaphezu kwalokho, iziqalo ezintsha ezifana ne-Vivent e-Switzerland ziwubuchwepheshe obuphayona obukwazi ukucacisa izimpawu zikagesi ezitshalweni, bunikeze imininingwane engakaze ibonwe emaphethini azo okukhula.
Izinselelo Nokungabaza
Naphezu kwesithembiso sokulima ngogesi, ukungabaza kuyanda. Abagxeki baphikisa ngokuthi ngisho nangemva kwamakhulu eminyaka okuhlolwa, ukuxhumana okuqondile phakathi kukagesi nesayensi yezinto eziphilayo kuhlala kungacacile. Ukwehla komlando kanye nokugeleza kwentshisekelo ku-electrophysiology kuholele ezikhathini zokungacaci, kungabaza ukusebenza kwesikhathi eside kokufaka ugesi kwezolimo.
Njengoba umhlaba ubhekene nezinselelo ezimbili zokondla inani labantu elandayo kanye nokulwa nokushintsha kwesimo sezulu, ezolimo ezisebenza ngogesi zivela njengesixazululo esiphoqayo. Ngokusebenzisa amandla kagesi, abalimi bangakwazi ukukhulisa isivuno, banciphise umthelela wemvelo, futhi baqinisekise ukuvikeleka kokudla ezizukulwaneni ezizayo. Nakuba ukungabaza kuqhubeka, ucwaningo oluqhubekayo, imizamo yomhlaba wonke, kanye neziqalo ezintsha zibonisa ikusasa elithembisayo lemikhuba yokulima efakwe ugesi.