“Njengomlimi wokongiwa kwemvelo, imikhuba esiyisebenzisa epulazini lethu isivumela ukuthi ‘sithumbe i-carbon’ emkhathini siyigcine emhlabathini wethu. Lokhu kungenza ngibe umlimi ongcono. Umkhuba wokulima i-carbon usekela imizamo yami yokulima ukudla okwengeziwe nokusiza imvelo ngesikhathi esisodwa," kubhala Andre-Figueiredo Dobashi kule ndatshana eshicilelwe ngu I-Global Farmer Network. Isihloko sinesihloko esithi “Ngingumlimi olondoloza imvelo othumba ikhabhoni unomphela".
Sishicilela kabusha i-athikili egcwele ye-Dobashi ngezansi, ngezilokotho ze-Global Farmer Network.
Igama elithi “ukuthumba” ngokuqinisekile lidonsa ukunaka kwabalaleli. Ibabeka emqashweni. Yingakho ngiyisebenzisa. Abantu abaningi abazi ukuthi abalimi bavame ukukhipha i-carbon dioxide emkhathini—nokuthi njengoba senza, silwa nemiphumela eyingozi yokushintsha kwesimo sezulu.
Njengabalimi, sidinga ukuthi baqonde ukuthi kwenzekani.
Ingxenye yenselelo yethu ukuthi umphakathi, okuhlanganisa nezikhulu eziningi zikahulumeni, abanalo ulwazi olwanele mayelana nalokhu isayensi wokulima ngekhabhoni nokuthi kuvumela kanjani abalimi ukuthi babe yingxenye yesixazululo sokuguquguquka kwesimo sezulu. Lapho ososayensi bezama ukuchaza ukuthi kungani kubalulekile ukubamba ikhabhoni, bavame ukwenza indaba ibe nzima ngokusebenzisa amagama anjengokuthi “ukuthatha” abantu abaningi abangawaqondi.
Uke wezwa noma ubani engxoxweni evamile ethi “ukuthathelwa impahla”?
Lolu wuhlobo lwegama olithola kumhlahlandlela wokufunda wokuhlolwa kokungena enyuvesi, kunalelo olisebenzisa ezingxoxweni zansuku zonke nomndeni nabangane.
Kungakho, njengabalimi, sidinga ukuthola izindlela ezintsha zokuchaza inqubo yokuthathwa kwekhabhoni. Ngombono “wokuthunjwa kwekhabhoni,” ngikhethe isingathekiso. Amandla ezingathekiso uwukuvumela ukuqhathanisa okucacile okuqondwa abaningi kusize abantu babone umqondo wokuqala ngokucace kakhudlwana. Isingathekiso esiqondile sokuthunjwa kwekhabhoni singathuthukisa ulwazi lwesayensi yangempela.
Ngakho-ke, ngingumthumbi wekhabhoni. Ngokusebenzisa i-carbon-smart epulazini lethu, sitshala ukudla okwengeziwe, sandisa izinto eziphilayo ukuze umhlabathi ube nempilo futhi sisebenzisa okokufaka okuncane ukwenza wonke lo msebenzi omuhle.
Ngokobuchwepheshe, ngingumholi wale mishini. Izitshalo zami zenza umsebenzi omningi. Bangabathumbi bangempela.
Ngenqubo evamile yebhayoloji, izitshalo zidonsa i-carbon dioxide emkhathini. Bese beyiphusha behle ngezimpande zabo bese befaka ikhabhoni emhlabathini. Yilapho ibanjwa khona futhi yenza okuhle kakhulu.
Empeleni kunemiphumela emihle eminingana. Okokuqala, ukulima ngekhabhoni kunomthelela ekukhuleni kwezitshalo, okusho ukuthi ummbila wami nobhontshisi wesoya kuyachuma. Njengoba isivuno sami sikhula, nezindleko zami zokufaka zehla, ingcebo yami yezomnotho iyakhuphuka okusivumela ukuthi senze intuthuko eqhubekayo emisebenzini yethu yokulima i-carbon.
Okwesibili, ukulima ngekhabhoni kuthuthukisa impilo yenhlabathi yepulazi lami lesikhathi eside. Kunothisa i-organic content emasimini ami, isiza inhlabathi ukuthi igcine umswakama, futhi isiza ekuvimbeleni ukuguguleka komhlabathi ngokubamba inhlabathi endaweni yayo.
Okwesithathu, kunciphisa imiphumela eyingozi yokushintsha kwesimo sezulu. Amagesi abamba ukushisa aphuma ezinqwabeni zentuthu namapayipi kagesi abangela inkinga enkulu. Ukuthumba ikhabhoni emapulazini kusebenza ngakolunye uhlangothi, kudonsa ikhabhoni emoyeni futhi kuyigcine ngaphansi kwezinyawo zethu.
Isenzo esilula sokutshala izitshalo singenza ngibe umlimi wekhabhoni—kodwa epulazini lethu, sithatha izinyathelo ezengeziwe zokwenza umsebenzi ongcono nakakhulu. Sithathe i-no-till, okusho ukuthi sigcina inhlabathi iqinile kunokuba siyiphendule. Ngokwenqaba ukuyiphazamisa, senza umsebenzi ongcono wokuvala ikhabhoni obishini. Siphinde sisebenzisa uhlelo lokujikelezisa izitshalo kanye nezitshalo zokumboza - ngizibiza ngezitshalo zokuthumba - ezingabi ukudla kodwa, ngenxa ye-photosynthesis, ziguqule ikhabhoni evela emoyeni, iyicwilise emhlabathini futhi iguqule ibe amandla okukhula kwezitshalo.
Abathumbi be-carbon abaphumelelayo banakisisa kakhulu 'isihlengo' abasilindele. Ngamanye amazwi, silinganisa esikwenzayo. Iqala ngesisekelo. Ingakanani ikhabhoni esenhlabathini njengamanje? Bese sihlola futhi sihlole kabili bese sihlola kathathu—izilinganiso ezintathu ngesizini ngayinye—ukubona ukuthi amasimu ethu asebenza kanjani.
Ukwenza lokhu, singakwazi ukufinyelela amathuluzi athile asezingeni eliphezulu atholakala ngamalebhu enhlabathi asekelwe kwisayensi ukuze silinganisele ukuthi ingakanani ikhabhoni ekhona emhlabathini. Lezi zinhlobo zamathuluzi zizovama nakakhulu njengoba sithuthukisa ukuxhumana kwe-inthanethi yasemaphandleni, sivumela abalimi ezindaweni ezikude ukuthi balinganise ikhabhoni, babelane ngemiphumela ku-inthanethi futhi baqhube umsebenzi oyinkimbinkimbi wezolimo wekhulunyaka lama-21.
Njengoba sifunda imiphumela, sifunda ukuthi yini esebenzayo nengasebenzi. Singalungisa imikhuba yethu futhi sithuthukise esikwenzayo.
Iminyaka eminingi, izishoshovu zesimo sezulu ziye zagxeka ezolimo nabalimi njengengxenye yenkinga yokushintsha kwesimo sezulu, ekugcineni banquma izinqubomgomo nemithetho evimbela umsebenzi wethu. Nokho empeleni siyingxenye yesixazululo senkinga yokuguquguquka kwesimo sezulu.
Ngokwabelana ngendaba yethu "yokuthunjwa kwekhabhoni", sishintsha ukulandisa futhi sisiza umphakathi ukuthi uqonde ukuthi ukufuywa kwekhabhoni kuwumsebenzi ongcono kakhulu wethu sonke emhlabeni.