Article: Help

Better quality for what? We need more information on what your proposed use is

The gypsum thing is abit of a myth

Definetely   add as   as much  manure  woodchip or any organic matter such as leaf mold or grass mowings  as possible

Maybe also  add sharp sand for texture

Some lime if growing brasiccas  etc

Im assuming you want to grow vegtables etc and want a soil that can be worked easy.....

Usually a lack of regular grazing causes the grass to, for lack of a better word become very lazy.

Flail it off, then get grazing with sheep.

The grass will then send down roots into the clay searching for nutrients and moisture and it turns the clay slowly into loamy soil.