WEEK 4

Processes of Soil Formation

Soil formation occurs more quickly through the action of water, wind, man and animals.

1. Ploughing: Man clears the vegetation on the land. He leaves some to decayon the ground to form soil. He puts some in the soil in the form of manure. All these decay to form soil.

2. Mulching: Man cuts grasses and spreads them on seed beds in the form ofmulch. These grasses later decay to form soil.

3. Movement of rocks: Man carries rock pieces in Lorries and tippers from oneplace to another, where they are deposited to form soil.
4. Compost making: Man cuts some plants and uses them to make compost. Hespreads the compost on his farm where it mixes with other particles to form soil.

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