It's difficult to get rid of and tends to take over lawns especially if they are weak and sparsely grassed. Digging it out is one option using a knife or mattock. The other is using glyphosphate (Roundup). Also talk to your nursery because I'm not an expert in this area.
yes
how do i get rid of johnson grass in my lawn?
Cut the effected grass
use pesticide
You pull them out. Then add some weed control to the grass.
not that is made yet
Use onions grass
One way to get rid of buffalo grass is by spraying it with a herbicide. Another way is to lay a tarp over the buffalo grass area. Weigh the tarp down around the edges with rocks. The buffalo grass should die in about 2 to 3 months.
If you cut your own grass and leave the cut grass on your lawn it acts like a self fertilizer
Try a little bit of Golden Syrup (see 'How do you remove grass stains?)
Salt is bad for grass in large doses. Although salt typically kills grass, it can be used to get rid of an unwanted patch.
There are many products that can help you replace the nutrients that the grass is losing and causing yellow spots. You can also rip up the yellow grass and put down grass seed.
You can take it to the dump, or take it deep into the woods and scatter it. so it produces more grass for the inviroment