1) Sweet potatoes can be a more effective bait than corn for carp fishing in some situations, depending on local conditions and fish preferences. 2) There are two main ways to use sweet potatoes as bait - cutting them into pieces to hook directly, or processing and mixing them with other baits. 3) When mixing with other baits, fully cooked sweet potato is best as it improves the broad spectrum of attracted fish species compared to using sweet potato alone.