In the second section that you have made, plant cabbage family crops, such as brussel sprouts, cauliflower, cabbage, etc. In the third section, plant corn, melons, squash and tomatoes. Include cucumbers also. These are called the heavy feeders of your garden area. Radishes and pumpkins also fall under being heavy feeders.
Heavy feeders are any vegetable that takes a lot of nutrients out of the soil in order to grow.
Each year, the section that was first must be moved to the second area where the cabbage family was and so on. Each year, you will be shifting the previous year's crop to the right. If there are any preparations needed for the soil, do so at the time of planting. If the soil is prepared ahead of time, you will yield a large crop with the help of crop rotation. You will find your vegetables to look larger and your plants to look healthier.