yard

I usually use the 2-wheel tractor sub forum as I garden and do my property maintenance with a BCS -I live on an acre of property and have about 2000 sq feet of garden- but I want to build retaining walls, a patio, and freestanding walls out of stone, and am interested in a tractor that can help...

I have a few sections of my yard that has johnsongrass coming up. I'm looking to reseed those areas. What would you recommend that I could spray on those sections to kill it off that would allow my to reseed the same day?