fertilize    kwōrohereza, gutabira
En-En dictionary 
gutabira (-tabiye)     v    to fertilize
guseba (-sevye)     v    to become barren (from lack of fertilizer)
intabire (in-)     3  class 3
singular: i-,in-
plural: i-,in-
  
fertilizer
kwōrohereza (-ōrohereje)     v    1. to fertilize, 2. soften up soil
barren    (to be, person) kugūmbaha
(plants) kurūmba
(place) uruharabuga
(thing, corn, etc.) ikirūmbirane
(to become from lack of fertilizer) guseba
En-En dictionary 
fertilizer    intabire
En-En dictionary