WEEK 6

Effects of erosion

Erosion has several effects on human beings. The following are some of them:

1. Crops grow in the soil. Yam, maize, potato, guinea corn, cassava, millet, soya beans and other crops absorb chemical substances from the soil. These chemical substances help the crops to remain healthy, grow and produce a high yield. Human beings need a high yield of crops so as to be adequately fed. Erosion washes away the topsoil and with it the chemical substances that crops require for a good yield. Erosion, therefore, makes the soil poor and reduces the yields of crops.

2. Erosion may make the land unusable. In certain parts of Nigeria, erosion is a serious problem. Large areas of land have been destroyed by erosion. The surface of the land in such a place is no longer even but is full of deep gulley. Such a piece of land cannot be used for agriculture or for anything else.

3. Erosion can cause landslides. In the worst cases.... View More