#PotatoFarming #NitrogenFertilization #SustainableAgriculture #CropEfficiency #VarietySpecificFertilization #AgriculturalInnovation
Ocwaningweni lwakhe, uMeyer ubheka ubudlelwano obuyinkimbinkimbi phakathi kokuvundiswa kwenitrogen, izinhlobo zamazambane, kanye nempilo yezitshalo iyonke. Okutholakele kunikeza ukuqonda okubalulekile kubalimi, izazi zezolimo namahlathi, kanye nososayensi bezolimo abafuna izindlela ezintsha zokuthuthukisa ukusebenza kahle nokunciphisa umthelela wendawo.
I-German Potato Industry Association (DKHV) isanda kwamukela i-thesis kaChristin Meyer mayelana nokuvundiswa kwe-nitrogen yamazambane, eyenziwa eNyuvesi yaseGöttingen. Ucwaningo lukaMeyer lugxile ekuqondeni ukuthi ukuncipha kokuvundiswa kwe-nitrogen kunethonya kanjani ekuvunweni, ikhwalithi, kanye nokusebenzisa kahle i-nitrogen ezinhlobonhlobo zamazambane.
Ngokuphambene nezinkolelo ezivamile, imiphumela ibonisa ukuthi ukuncipha okukhethekile okuhlukahlukene kokunikezwa kwe-nitrogen akuthinti kabi isivuno noma ikhwalithi. Eqinisweni, ezinhlotsheni ezithile, ukuncipha komanyolo kungathuthukisa ukusebenza kahle kwe-nitrogen, kubonise indlela engaba khona yezinqubo zokulima ezizinzile.
Ucwaningo lugcizelele ukubaluleka kokucatshangelwa kwezinhlobonhlobo ezithile ekuvundiseni i-nitrogen. Ngenkathi amanye amazambane izinhlobo ibonise ukusebenza kahle kokusetshenziswa kwe-nitrogen ngokuncishiswa kokuvundisa, abanye babonise ukwehla kwento eyomile kanye nokuqukethwe kwesitashi lapho ukunikezwa kwe-nitrogen kwanda. Lokhu kubaluleke kakhulu kumazambane ahloselwe ukucutshungulwa, lapho ikhwalithi ibaluleke kakhulu.
Kuyathakazelisa ukuthi ucwaningo alutholanga mphumela obalulekile ekwakhiweni kwesitashi, okugqamisa ubunkimbinkimbi bobudlelwano phakathi kwamazinga e-nitrogen nezici zamazambane.
Umsebenzi kaChristin Meyer awugcini nje ngokufaka isandla endaweni yezemfundo kodwa futhi uhlinzeka ngemiphumela engokoqobo yokulawulwa kokuvundisa okusimeme. Lokhu okutholakele kungaqondisa abalimi kanye nezazi zezolimo namahlathi ekuthuthukiseni izindlela zabo zokuvundisa ngokusekelwe ezinhlobonhlobo zamazambane, ukukhuthaza ukusebenza kahle kwezinsiza kanye nokunciphisa umthelela wendawo.
Njengokuhlonishwa kweqhaza lakhe, u-Meyer wathola ibhonasi, futhi izingcaphuno zethisisi yakhe zashicilelwa kumagazini ochwepheshe i-Potato Growing (11/2023, pp. 32-35). Ukwesekwa kwaminyaka yonke kwe-DKHV kwemibono yabafundi kugcizelela ukuzibophezela kwemboni ekukhuliseni ithalente labantu abasha, isinyathelo esibalulekile ekuqinisekiseni ukusimama kwayo kwesikhathi esizayo.
Kuyaphawuleka ukuthi ucwaningo lukaMeyer luhambisana nezinjongo ezinkulu zephrojekthi exhaswe yi-FNR 'Amathuba okukhulisa ukusebenza kahle kwezakhi kanye nokunciphisa ukukhishwa kwe-nitrogen kumazambane anesitashi' (POTENZION). Le phrojekthi ikhombisa umzamo ohlangene wokuhlola izixazululo ezintsha zolimo olusimeme, kubhekwane nokukhiqiza kanye nokukhathazeka kwemvelo.
Ucwaningo olwenziwa nguChristin Meyer lusikhanyisela ngobudlelwano obungacacile phakathi kokuvundiswa kwe-nitrogen nezinhlobonhlobo zamazambane. Ngokubona izimpendulo eziqondene nezinhlobonhlobo, abalimi kanye nezingcweti zezolimo zingasebenzisa amasu okuvundisa ahambisanayo, akhuthaze kokubili ukukhiqiza nokusimama. Umsebenzi kaMeyer uyisibonelo sokuzibophezela kwemboni ekuthuthukiseni ulwazi kanye nokwamukela imikhuba esimeme yekusasa eliqinile.