Balimi, endleleni yezolimo, egcwele izinselelo namathemba, ingabe nivame ukukhathazeka ngezinkinga zenhlabathi? Namuhla, ngifuna ukunethula kumsizi onamandla ekukhiqizeni kwezolimo - inzwa yenhlabathi, eshintsha ngokuthula imodeli yezolimo yendabuko futhi iba “isikhali” esiyinhloko endleleni eya ekuvuneni.
Ithuluzi lomlingo labalimi abancane lokukhulisa umkhiqizo
Umlimi eVietnam ubephila ngamahektha ambalwa omhlaba omncane. Esikhathini esidlule, umanyolo wawungowokuhlangenwe nakho konke, futhi kwakuvame ukuba nokuzala okwanele noma umanyolo owedlulele, futhi isivuno sezitshalo sasinganelisi njalo. Selokhu azama ukusebenzisa izinzwa zomhlabathi, izinto zishintshe kakhulu. Inzwa yomhlabathi iqapha idatha ebalulekile njengokuqukethwe kwezakhamzimba, i-pH kanye nomswakama emhlabathini ngesikhathi sangempela. Isibonelo, lapho izinzwa zibona amazinga aphansi e-nitrogen emhlabathini, angafaka umanyolo we-nitrogen ngokunembile, agweme imfucuza ebangelwa umanyolo ongaboni. Phakathi nonyaka, isivuno sezitshalo sikhuphuke cishe ngo-20%, ikhwalithi nayo ithuthuke kakhulu, futhi imali engenayo inyukile.
Ukusebenza kahle kwamabhizinisi ezolimo “isikhali somlingo”
Kumabhizinisi amakhulu ezolimo, indima yezinzwa zomhlabathi ibaluleke kakhulu. Ipulazi e-Italy lakhe uhlelo lokuqapha umhlabathi oluhlakaniphile ngokufaka inani elikhulu lezinzwa zomhlabathi endaweni yalo enkulu yokutshala. Ngalezi zinzwa, izinkampani zingalandelela izimo zomhlabathi zezindawo ezahlukene ngesikhathi sangempela. Enkambisweni yokusabela esomeni, uhlelo lwathola ngokunembile ukuthi yiziphi izindawo ezazintula kakhulu umswakama wenhlabathi ngokwedatha yempendulo yezinzwa, futhi ibhizinisi lasebenzisa ngokushesha izinsiza zokunisela ukuze lenze ukunisela okuqondiwe kulezi zindawo. Akugcini nje ngokuthuthukisa kakhulu ukusebenza kahle kokunisela, kodwa futhi konga izinsiza eziningi zamanzi. Ngesikhathi esifanayo, ngokusekelwe kudatha yezakhamzimba zomhlabathi, ibhizinisi lenze ngcono uhlelo lokufaka umquba, lanciphisa izindleko zokukhiqiza, kodwa umkhiqizo kanye nekhwalithi yemikhiqizo yezolimo yathuthuka kancane kancane, futhi ukuncintisana kwemakethe kwathuthukiswa kakhulu.
Sekela intuthuko esimeme yezolimo zemvelo
Izinzwa zomhlabathi nazo zidlala indima ebalulekile emkhakheni wezolimo oluhambisana nemvelo. Epulazini elihambisana nemvelo eNew Zealand, umlimi uzibophezele ekunciphiseni ukusetshenziswa komanyolo wamakhemikhali kanye nezibulala-zinambuzane ukuze asebenzise imibono eluhlaza. Izinzwa zomhlabathi sezibe ngabasizi bakhe abahle, ngokuqapha impilo yomhlabathi, abalimi bangakwazi ngokwezidingo zangempela zomhlabathi ukuhlela kahle ukusetshenziswa komanyolo wemvelo, ukuqinisekisa ukuthi inhlabathi iyavunda. Ngesikhathi esifanayo, ngosizo lwezinzwa zokuqapha izimpawu zokuqala zezinambuzane nezifo, abalimi bangathatha izindlela eziluhlaza njengokulawula kwezinto eziphilayo ngesikhathi ukuze balawule ngempumelelo izifo nezinambuzane, okungagcini nje ngokuqinisekisa ikhwalithi yemikhiqizo yezolimo, kodwa futhi nokuvikela indawo ezungezile.
Izinzwa zomhlabathi, ngokuqapha kwazo idatha okunembile kanye nokusekelwa kwezinqumo zesayensi, sezibe usizo oluwusizo kuzo zonke izici zokukhiqiza kwezolimo. Kungakhathaliseki ukuthi umlimi omncane ofuna ukwandisa umkhiqizo, ibhizinisi lezolimo elifuna ukusebenza kahle, noma ipulazi lemvelo eliqhuba intuthuko esimeme, izinzwa zomhlabathi zingenza umehluko. Ungavumeli inkinga yomhlabathi ibe yisithiyo ekuthuthukisweni kwezolimo, yamukela inzwa yomhlabathi, bese uqala uhambo olusha lokuvuna kwezolimo!
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Isikhathi sokuthunyelwe: Mashi-05-2025