Explanation:

 Peat, soil material consisting of partially decomposed organic matter, usually found in swamps and bogs in various parts of the temperate zone. It is formed by the slow decay of successive layers of aquatic and semiaquatic plants, e.g., sedges, reeds, rushes, and mosses.
soil requirement for wheat cultivation:
1. Wheat crop is grown in different types of soils ranging from desert soil to heavy clay soil.
2. Well drained, fertile clay loam soils having moderate water holding capacity are ideal for irrigated wheat.
3. Heavy soil with open structure which can retain the monsoon rainfall for longer period is ideal for dry wheat crop.