It increases the warmth of the soil

It increases the warmth of the soil

6. It increases the warmth of the soil.

7. It permits earlier working in spring and after rains.

Fig. 9. Laying a Tile Drain

8. It favors the growth of germs which change the unavailable nitrogen of the soil into nitrates; that is, into the form of nitrogen most useful to plants.

9 It enables plants to resist drought

9. It enables plants to resist drought better because the roots go into the ground deeper early in the season.

A soil that is hard and wet will not grow good crops. The nitrogen-gathering crops will store the greatest quantity of nitrogen in the soil when the soil is open to the free circulation of the air. These valuable crops cannot do this when the soil is wet and cold.

Fonte: Agriculture for Beginners