Izinketho zokudla esizenzayo nsuku zonke zinemiphumela ejulile emhlabeni. Ukudla okunenqwaba yemikhiqizo yezilwane—njengenyama, ubisi namaqanda—kuphakathi kwezinto ezihamba phambili ezibangela ukucekelwa phansi kwemvelo, okunomthelela ekukhishweni kwamagesi abamba ukushisa, ukugawulwa kwamahlathi, ukuntuleka kwamanzi nokungcola. Ukulima kwemfuyo yasezimbonini kudinga inani elikhulu lomhlaba, amanzi, namandla, okuyenza ibe enye yezinhlelo ezidinga kakhulu izinsiza eMhlabeni. Ngokuphambene, ukudla okusekelwe ezitshalweni ngokuvamile kufuna izinsiza zemvelo ezimbalwa futhi kukhiqize indawo ephansi kakhulu yemvelo.
Umthelela wemvelo wokudla udlula ukuguquka kwesimo sezulu. Ukulima kakhulu kwezilwane kusheshisa ukulahleka kwezinhlobonhlobo zezinto eziphilayo ngokuguqula amahlathi, izindawo ezingamaxhaphozi nezikhotha zibe yizitshalo zokuphakelayo zokulima okukodwa, kuyilapho kungcolisa inhlabathi nemigudu yamanzi ngomanyolo, izibulala-zinambuzane, nemfucuza yezilwane. Le mikhuba ebhubhisayo ayiphazamisi nje kuphela izimiso zemvelo ezithambile kodwa futhi isongela ukulondeka kokudla ngokunciphisa ukuqina kwemithombo yemvelo edingekayo ezizukulwaneni ezizayo.
Ngokuhlola ukuhlobana phakathi kwalokho esikudlayo kanye nenani lakho lemvelo, lesi sigaba sigqamisa isidingo esiphuthumayo sokucabanga kabusha ngezinhlelo zokudla zomhlaba wonke. Igcizelela ukuthi ukushintshela emaphethini okudla okuzinzile—ukuthanda ukudla okusekelwe ezitshalweni, kwesifunda, kanye nokudla okugaywe kancane—kungawunciphisa kanjani umonakalo wemvelo kuyilapho kuthuthukisa impilo yabantu. Ekugcineni, ukushintsha ukudla akukona nje ukukhetha komuntu siqu kodwa futhi kuyisenzo esinamandla somthwalo wemfanelo wendawo.
Ukulima efektri kuguqule ukukhiqizwa kokudla komhlaba wonke, okunikeza izimpahla ezishibhile nezinenhlantisana ukuhlangabezana nesidingo esikhuphukayo. Kodwa-ke, le ndlela yezimboni iphakamisa ukucindezela ukukhathazeka ngenhlalonhle yezilwane, ukulimala kwemvelo, ubungozi bezempilo yomphakathi, nokuziphendulela okuhle. Izilwane zikhuthazelela izimo ezinzima ezikhaleni ezivalekile, kuyilapho umnikelo wemboni ekukhuphukeni kwamagesi abamba ukushisa, ukungcoliswa kwamanzi, ukugawulwa kwamahlathi, nokuncipha kwamahlathi, kanye nokulahlekelwa yizinto eziphilayo kusongela impilo yemvelo nokuziphilisa abantu. Ngaphezu kwalokho, izingqinamba ezinjengokumelana nama-antibiotic nezifo ze-zoolotic zigcizelela ubungozi bezinzuzo ezibeka phambili ngokusimama. Lo mbhalo uhlola ukungcwazi kwenkimbinkimbi phakathi kwezindlela zokulima efektri kanye nomthelela wazo ezilwaneni, abantu, kanye neplanethi ngenkathi kuhlola izixazululo ezizinzileyo zekusasa elinempilo