It is typically defined as soil that is well-granulated, loose, and crumbly. On the other hand, bad tilth is compact, hard, and cloddy. Maintaining good tilth is important for a number of reasons.
Chalky soil is a light brown soil. Water drains through it quickly. Peat does not contain any rock particles. It's made from very old decayed plants and is dark, crumbly and rich in nutrients.