Relay Cropping
In Relay cropping second crop is planted even before the first crop is harvested. Thus, both crops share some part of the season. In India, Rice –cauliflower – onion-summer gourd is one example of relay cropping.
Advantages:
- Less risk since yields do not depend on one crop alone.
- Better distribution of labor.
- Some diseases and insects appear to spread less rapidly under intercropping.
- Better erosion control due to better ground cover.
- Any legumes involved may add some nitrogen to the soil.
Disadvantages:
- Mechanization is difficult.
- Management requirements are higher.
- Overall costs per unit of production may be higher due to reduced efficiency in planting, weeding and harvesting.
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