Ukunciphisa inani likamanyolo ngesikhathi sokufaka isicelo esikhulu kwaba umphumela omuhle kakhulu wezezimali emasimini amazambane ngonyaka odlule. Lokhu kufakazelwa iphrojekthi yokubonisa yesikhungo socwaningo saseBelgium i-Inagro.
I-Inagro iqale ukuhlola umanyolo ngo-Ephreli 2020, igxile ekuhlukaniseni ama-fraction kanye nokuvundisa okuphakathi komugqa. Ukuhlolwa kwaqalwa ngo-Ephreli 25 ngeziza ngezinhlobonhlobo zeFontane.
Ngemva kokuhlaziywa kokuqala komhlabathi, kwavela ukuthi kwakusene-nitrogen encane kuphrofayili, okusho ukuthi inani eliphelele elinconywayo le-nitrogen laliphezulu: 229 kg we-nitrogen ngehektha. Izitshalo ezihlukahlukene zithole amaphesenti angu-70 kuphela yenani elinconyiwe likamanyolo, kungaba ensimini yonke noma ngokulandelana.
Ngesikhathi sokukhula, umehluko phakathi kwalezi zindlela ezimbili zokuvundisa wawubonakala ngokucacile. Lokhu kuphinde kuthinte imali engenayo.
Izitshalo ezingavundiswanga zibe nesivuno esincane kakhulu. Ukuvundisa ngokugcwele ngaphandle kokufaka amahlamvu ngoJuni/Julayi nakho kubangele isivuno esiphansi, nesincomo se-nitrogen esingu-100% esikhiqiza imiphumela engcono kancane kune-70%.
Izitshalo ezivundiswe ensimini ngokuvundiswa ngamahlamvu zaba nesivuno esiphezulu. Umehluko esivunweni phakathi kukamanyolo wemigqa ku-70% wenkambiso noma u-70% wenkambiso ehambisana nokufakwa kwamahlamvu ngesikhathi sokukhula wawungabalulekile.
Abacwaningi bangasho ukuthi lapho umanyolo oyinhloko usetshenziswa emgqeni, ama-granules omanyolo asatshalaliswa ngokulinganayo. I-nitrogen yabe isisendaweni yezimpande. Ngemva kokuvundiswa kuyo yonke insimu, kwaba ne-nitrogen eningi kakhulu engxenyeni engenhla yenhlabathi. Ngenxa yokuntuleka kwemvula eyanele, le nitrogen ayikwazanga ukuthuthela endaweni eyimpande.
Ngokwezimali, itulo elinenani elincishisiwe likamanyolo oyisisekelo emgqeni lenze kangcono ngo-2020. "Uma sibala izindleko ze-euro eyi-1 ngekhilogremu ye-nitrogen kanye nenani lokuthengisa lama-euro angama-80 ithani ngalinye lamazambane, sithola i-plus yama-euro angama-400 ngokuvundisa okulandelanayo okungamaphesenti angama-70 uma kuqhathaniswa namaphesenti ayi-100 wezeluleko zokuvundisa ensimini," kuphetha abacwaningi.