a rototiller
A disc harrow and a chain harrow are two types a farmer may use to break up lumpy soil into a fine tilth suitable for sowing seeds.
Harrow
is used to pull disc plow and disc harrow in preparing much large area of land
In a lawn irrigation application it should generally be deep enough not to be hit by the lawn-mower, or rototiller if you plan to use one
Yes, one can improvise a disc golf disc and use it for ultimate.
There should be a squirt bottle in the same room you can use.
PS2 games are on DVD discs
is used to pull a plow and harrow in preparing a large area of land.
You just use the regular disc
Gently wipe the disc with a lint-free cotton cloth. Never use paper or any material that may scratch the disc or leave streaks.Wipe from the center of the disc outward. Never use a circular motion.
You really need to do some research to see if you should be using a rototiller in your garden. I think they are used in bigger projects instead of small gardens. Here is a website for more information: www.plantea.com/no-tilling.htm
You can use either a DVD-R or a DVD-RW with the latter you can re-write over the disc if you need to add other pictures.