Purple potatoes are more expensive than sweet potatoes.

The anthocyanin content of purple potatoes is generally sweet potatoes do not have, at the same time the yield of sweet potatoes would have been very high, adaptability is also strong, but the purple potatoes are different, it has a special requirement for the soil must be rich in selenium, and water can not be too much, the sun should be enough, the yield is not as high as the sweet potatoes, and therefore the price is more expensive than the sweet potatoes.

Sweet potato in our country has many years of cultivation history, childhood have eaten things and even brought to eat as a meal has been tired of eating things. Purple potatoes are different, that is, only in the last ten years the rise of things, the color is relatively good-looking, people have the will to pursue new things, see the amount of small and rare purple potatoes are naturally more willing to buy, which is another reason why the price of purple potatoes is high.

Difference between purple potatoes and sweet potatoes:

1, the taste is different: purple potatoes and sweet potatoes taste different, sweet potatoes eat up soft and sweet, suitable for baked food; purple potatoes eat up relatively sweet, soft and sticky taste.

2, planting density is different: the difference between purple potatoes and sweet potatoes is planting density is different. Purple potatoes like sunlight, planting needs to maintain a plant spacing of 35 cm row spacing of 70 cm border width of 30 cm appropriate; and sweet potatoes do not need to be too densely planted, each acre of land can be planted 4,000 to 6,000 trees.

3, different types: purple potatoes and sweet potatoes in the kinds of obvious differences. Purple potato belongs to the lycopene family sweet potato genus purple potato species, while the sweet potato belongs to the tubular flower family sweet potato genus sweet potato species.

4, different farming methods: purple potato farming methods than sweet potato better. Sweet potatoes do not require intensive farming, only adequate water and fertilizer supply. Compared with sweet potatoes, purple potatoes are more delicate, planting needs to be deep tilled sun moisture, and intensive cultivation, no stone rubble, adequate bottom fertilizer.