Aeration is the best way to improve air/gas exchange and water/nutrient intake. Its very simple.The best tools to use is an Aerator. Get an Aerator with a seeder tray which can disperse seeds at the same time. Fertilizing could also be a good idea.

 

logo How Do I Aerate My Lawn And The Garden, What Are The Tools I Need?
Propane Torch w 2 Extra Nozzle Ice Melter Weed Burner Lawn Garden Tools
Propane Torch w 2 Extra Nozzle Ice Melter Weed Burner Lawn Garden Tools
Paypal   US $32.95
6HP GAS 19 WALK BEHIND PUSH LAWN MOWER GRASS CUT TOOL GARDEN LAWNMOWER
6HP GAS 19 WALK BEHIND PUSH LAWN MOWER GRASS CUT TOOL GARDEN LAWNMOWER
Paypal   US $199.95
Metal Round Handle 175 Long Garden Lawn Towel Spade Tool Green
Metal Round Handle 175 Long Garden Lawn Towel Spade Tool Green
Paypal   US $14.95