Explanation:

- Hydroponics:

- This is the correct term for soilless agriculture.

- Plants are grown in a nutrient-rich water solution.

- Allows crops to be grown indoors or in limited space.

- Pastoral Farming:

- Focuses on raising livestock rather than growing crops.

- Typically involves the management of grazing animals.

- Shifting Agriculture:

- Also known as slash-and-burn farming.

- Involves moving to a new area once the current plot becomes unproductive.

- Dry Farming:

- Refers to growing crops in regions with little rainfall.

- Relies on moisture-conserving techniques.