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Originally Posted by lsturbointeg
I learned from the lawn gurus of YouTube. for dethatching usually it's at the beginning of Spring to get all the dead grass up. and than in the fall time just before you reseed if you plan on reseeding. I dethatched because I had lawn fungus and a lot of the dead grass was just sitting here. so the dethatcher helped pull most of it out.
if you're pulling up a patch of grass and it's actually coming up it could be quite a few things. one it could be grubs are eating your roots. is the grass brown? also, it could be the roots are very shallow and not deep enough to hold. I use RGS to stimulate root growth. since Fall is upon us I would think about doing a dethatch, aerate and an overseeding since you're saying your lawn looks a bit thin. i'm looking to do this at the beginning of September.
This year is pretty much done if you ask me as far as trying to develop a deeper root system. I would suggest doing this next year. look into the NEXT products particularly RGS and HUMIC12. that's going to help amend your soil and promote Root development
Allyn the Lawn Care Nut has already put out a couple of videos on overseeding since it's coming up
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The grass is quite green. It's Bermuda. And to be honest, I had never done a 'pull test' before so I'm not exactly sure what is normal and abnormal. Not all of the grass will pull out and it won't leave a bare spot or anything like that. But if I picked 5 random spots for the test, I'd say 3 out of the 5 spots I'd pull out just some grass (maybe 25-30% will come out from what I pulled). However, I'm not pulling very hard at all. I'm going to do a catch cup test to see how my sprinklers are performing and if they need to be adjusted. I feel like sometimes the water in certain areas from the sprinkler just stands on top of the soil so that could be the issue in this specific areas where the grass is slightly thinner than the rest of the yard. The root system could be going back up towards the top of the soil (where the stagnate water is) instead of penetrating down deep and then would be harder to pull out during a pull test? Maybe I need to aerate the yard too.
Granted, I've never seeded my lawn or overseeeded (whichever is the correct term) and that was my first thought as to why it's a little thin in areas. Should you be seeding your lawn every year? For perspective, we bought the house about 5 years ago (new house and new sod) and haven't ever seeded it. Maybe the reason for some thinness in certain areas is because I've never seeded in 5-6 years and just expected it would remain thick with the proper mowing, water, etc.