Certified Crop Advisor Practice Exam

What are raised soil areas used primarily to improve drainage called?

1. Ridges

2. Beds

3. Plates

4. Dikes

The correct answer is: Beds

The correct answer is beds. In agricultural contexts, raised soil areas known as beds are specifically designed to enhance drainage. These raised structures allow excess water to drain away more effectively while also warming the soil more quickly in the spring, which can be beneficial for crop growth. This method of cultivation is especially useful in areas with heavy or poorly draining soils, as it helps in preventing waterlogging and creating a healthier environment for plant roots. In contrast, ridges can refer to a variety of landforms and might not always serve the primary function of improving drainage. Plates typically relate to geological structures rather than agricultural practices, and dikes are more often associated with flood control and water retention rather than drainage improvement. Thus, beds are the most appropriate choice for raised soil areas aimed specifically at enhancing drainage in farm fields.