ok, so digging up a 20ft trench i haven't even gone deep, where a tree used to be, is proving pretty annoying. if my hoe doesn't get stuck cuz of tiny roots, it hits huge roots like with a bang. so far i got the outline dug ("L" shape, i was grabbing the sprinkler from a zone with not many nozzles, i had a straight line available but that would be grabbing from my entire backyard zone with hella nozzles, it's the same length anyway).
Now i gotta dig deep, any advice? i'm just gonna soak it with water (tomorrow) and use a hoe and shovel.