Answer:Polyvarietal Cultivation
Explanation:
Definition is when varieties of the same crop are planted in the field.
Advantages
1. Increases yield income .
2. It helps when the other variety fails the farmer will still have the other variety.
3. Maintain the soil fertility
6. it effecient since there isn't major variation in methods used for cultivation
8. Avoid inter-crop competition which increases plant growth and production
