Maintaining soil fertility
Weed control
Pest management
All of the above Answer: d
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The correct answer is: d) All of the above.
Crop rotation is the practice of growing different types of crops in the same area in a planned sequence over a period of time. It is an important practice for maintaining soil fertility, weed control, and pest management.
- Maintaining soil fertility: Crops take up different nutrients from the soil, so rotating crops helps to ensure that all of the nutrients are replenished. For example, corn is a heavy feeder of nitrogen, so rotating corn with a legume crop, such as soybeans, helps to fix nitrogen in the soil.
- Weed control: Rotating crops can help to control weeds by disrupting the life cycle of weeds. For example, if you plant corn one year and soybeans the next, the soybeans will shade out the weeds that germinated in the corn field.
- Pest management: Rotating crops can help to control pests by disrupting the life cycle of pests. For example, if you plant corn one year and soybeans the next, the pests that attack corn will not be as successful in the soybean field.
In addition to these benefits, crop rotation can also help to reduce soil erosion, improve water infiltration, and increase crop yields.