obutabeera na nayitrojeni kye kimu ku bisinga okubeera mu birime ebibulamu eby'obugagga eby'omu ttaka okumanya oba ettaka ly'ettaka lyo ery'okulimirako libulamu nayitrojeni omuddo oba ekisaka ku ttaka ly'ennimiro kijja kuba kimanyiddwa olw'okufuuka ebikoola ebya kyenvu ebikoola ebikoola ebinafu n'okukula kw'okuzimba