How is dry land agriculture different from agriculture in other areas?

Dryland Agriculture is the scientific management of soil and crops under dry lands without irrigation. In irrigated Agriculture involves the use of controlled amounts of water to plants at regular intervals. Dryland agriculture and irrigated agriculture is different in the following ways:

1. Dryland agriculture requires less than 750 mm of water while the irrigated land requires more than 750 mm of water.

2. There is a lack of water used in the former, and sufficient water used in the later.

3. The former is suitable for a single crop, whereas multiple crops require irrigated lands.

4. The 2 main issues for dry land is soil conservation and the quality of the product. Irrigation helps to grow agricultural crops, helps maintain landscapes, and helps revegetate disturbed soils in dry areas and during periods of inadequate rainfall.