If you have been dealing with a law that is not good it is better than you get serious about renovating by either tilling it or rebuilding it again. Mistakes that you committed in the past when making your lawn should not happen when you are renovating it. If in your yard you have water that is stagnant because of the rain then you want to consider either draining it or laying a layer of gravel under the topsoil. Tilling will be helpful if the issues that you are dealing with is hard baked soil and weak grass. The seeds can be planted after you are done tilling and preparing the ground. When you develop and aerate the ground you will be able to get rid of places that are compacted in your lawn.
A machine that works more less like a lawn mower can be used to aerate the soil automatically. The aerating tool can be found in stores where they can rent hem out, or you can go to companies that have the machine, and they can do it for you. You can still air the land by yourself if you love working on your lawn by using a spading fork. When you are done aerating you can now add compost into the holes so that the ground stays aerated.
If the soil in your lawn is not right then your garden will not look healthy, but you can change that by adding compost. Adding the fertilizer to the soil in the days when the weather is favorable will make the grass in your lawn stronger and healthier. The fertilizer should be put in the soil using your hands or spreader and make sure you follow the instructions. In order for the compost to work you need to step back and forth so that it can be evenly distributed. The fertilizer will enter the soil uniformly if you follow this method. Add new grass and fertilizer to a lawn that has grass that dos do not look healthy.
If your yard is not leveled make sure that remove all the bumps. When your lawn has moss it is caused by poor drainage and not because of soil acidity like most people claim. By changing the grading and improving the waste you are going to grow a mossy lawn. Your yard is what makes your landscape to look attractive, so it always has to look good.