Plan of work

FIRST WEEK
Erosion.

· Read pages 4 to 7.
This lesson for the first week is not very long.
But you have to understand that erosion is very bad, and how and why soils are carried away by rain and wind.

SECOND WEEK
How to stop the flow of water.

· Reread pages 4 to 7.

· Read pages 8 to 16.

We see that there are several ways of controlling erosion.

· Where you live, do they make contour line ridges or ditches?
Or barrier strips?
Do they go in for terrace farming?

· You must understand why keeping to the contour lines prevents erosion.

THIRD WEEK
How to cover the soil.

· Reread pages 7 to 9.

· Read pages 17 to 22.

Why is mulching used?
Why sow cover crops?
Where you live, do they make brush fires?
Try to find out why.
In what season do they make brush fires?
Why?

FOURTH WEEK
Fallow, crop rotation, land- use allocation.

· Read pages 23 to 28.
Fallow and green manuring improve the soiI.
It is best to grow crops and raise animals as well. Why?
Were crop rotations and land- use allocation used in the past?
How long did the fallow last?
Why must a change be made?

· Reread the whole booklet.

· Answer the question paper.