#GreenhouseVegetableProduction #FertilizerManagement #NutrientUseEfficiency #SustainableAgriculture #EnvironmentalSustainability #AgriculturalPolicy #ClimateAdaptation #CropNutrition #China'sAgriculture #AgriculturalInnovation
Emkhakheni oguqukayo njalo wezolimo waseShayina, ukuguquguquka kokufakwa kukamanyolo ekukhiqizeni imifino ebamba ukushisa (GVP) kuvele njengento ekhathazayo enkulu. Lesi sihloko sicubungula ekubuyekezweni okuphelele okuthathe iminyaka engaphezu kwamashumi amathathu, kukhanyisela amashifu kumazinga okufaka okuvamile (CAR) nokusebenzisa kahle izakhi (NUE) zomanyolo.
Ukukhiqizwa kwemifino ye-greenhouse yaseShayina kube nokwanda okuphawulekayo eminyakeni engamashumi amathathu edlule, nokuguqula isizwe sibe umholi womhlaba jikelele ekulinyweni kwemifino. Kodwa-ke, lokhu kwanda okusheshayo kufike nesethi yakho yezinselelo, ikakhulukazi mayelana nokuphathwa kukamanyolo. Ukuhlaziywa okuphelele kwamaphepha ocwaningo angama-476 asukela ku-1990 kuya ku-2021 kuveza imininingwane ethokozisayo ngokushintsha kwesimo sezinqubo zokufaka umanyolo ngaphakathi komkhakha we-GVP waseChina.
Okutholakele kukhombisa ukwehla okubonakalayo ku-CAR kamanyolo we-nitrogen (N) kanye ne-phosphorus (P) kusuka ngo-1993 kuya ku-2020, kanye nendlela eguquguqukayo kumanyolo we-CAR ka-potassium (K) ngesikhathi esifanayo. Ngokuphawulekayo, izifunda ezifana nendawo efudumele ezungeze uLwandle i-Bohai kanye nendawo enemvula engaphansi komfula i-Yangtze zibonise i-CAR ephezulu kamanyolo uma kuqhathaniswa nezinye izindawo, ngenxa yesimo sezulu esihlukile.
Naphezu kokukhula okuncomekayo kokukhiqizwa kwemifino, ukusetshenziswa ngokweqile kukamanyolo ekulinyweni okujulile kwe-greenhouse kuye kwaphakamisa ukukhathazeka mayelana nokusimama kwemvelo kanye nokusebenzisa kahle izakhi. Ucwaningo lugcizelela isidingo samasu okuvundisa afanelana nawe ukuze kuthuthukiswe ukukhiqiza kuyilapho kuncishiswa imithelela emibi engokwemvelo.
Kususelwa kunqwaba yezincwadi, lokhu kubuyekezwa kugcizelela ukubaluleka kokwamukela izinqubo zokuvundisa esimeme ukuze kuqinisekiswe ukusebenza kwesikhathi eside komkhakha we-GVP waseChina. Ngokuhlola izitayela zaminyaka yonke kanye nezici ezinomthelela, ucwaningo lugqamisa ukubaluleka kokuphathwa kukamanyolo okuhambisana nezimo zezulu ezihlukene kanye nezidingo zezitshalo.
Nakuba imboni ye-GVP yaseShayina ibone ukukhula okumangalisayo, kubalulekile ukubeka eqhulwini izinqubo zokuvundisa esimeme ukuze kuvikelwe ubuqotho bemvelo kanye nokuqinisekisa ukuchuma okuqhubekayo komkhakha. Ngemizamo ebumbene kanye nezinqubomgomo ezinolwazi, i-China ingakwazi ukuhlela indlela eya ekusaseni lezolimo elisimeme neliqine kakhudlwana.