Dang Pigweed

Planted a patch of oats where the pigs were last year.  Got some amazing oats…nearly shoulder high and deep green.  Unfortunately they're infested with pigweed (lamb's quarters?) that is equally green and head-high.  Hand-pulling it to salvage the oats.  Leaves a patchy-looking mess but better than giving up entirely, which I was prepared to do until my wife jacked me up.

We have two other patches of oats planted on land that hadn't been tilled for 25 years.  It's paler and a tad stunted, but ...