Growing sugar beans in Nigeria involves several key steps:

1. Site Selection: Choose a well-drained, sandy loam soil with good organic matter. Beans generally thrive in areas with ample sunlight and moderate rainfall.

2. Soil Preparation: Prepare the soil by clearing weeds and debris. Plow or till the soil to a depth of about 20-30 cm. Add organic compost or well-rotted manure to enrich the soil.

3. Planting: Sow the seeds directly into the soil after the last frost date. Plant the seeds about 3-5 cm deep and 5-10 cm apart. Rows should be spaced 30-45 cm apart.

4. Watering: Keep the soil consistently moist, especially during the germination period. Beans typically need around 2.5-5 cm of water per week, depending on weather conditions.

5. Fertilization: Beans generally do not require heavy fertilization due to their ability to fix nitrogen from the air. However, a balanced fertilizer can be applied if the soil is deficient.

6. Weeding and Pest Control: Regularly weed the area to reduce competition. Monitor for pests and diseases, and use appropriate treatments if needed.

7. Harvesting: Beans are usually ready to harvest when the pods turn brown and dry. Collect the pods and allow them to dry fully before shelling.

By following these steps, you can successfully grow sugar beans in Nigeria.