hey ya tman
congrats on your harvest & as vin said great attitude , get back on the horse & go again =
being able to control your environment when drying is hard but important if you wanna keep as many terpenes as possible
if your harvest in the jar smells like grass i don't think a cure will rectify that , one thing you can do when you "think" the buds are dry enough is rather than jarring them use a large paper bag like a coles or woolies brown paper shopping bag & put your buds in there , it'll even out the moisture in all the buds like it would in the jar but doesn't trap that moisture in like a jar with a lid would , in the bag you can have a feel of the buds after a while , if they haven't evened out you keep them in the bag a bit longer or if your happy jar them up , might help to stop that grassy smell which usually comes from jarring to early
well done again & look forward to watching your next grow