Request for guidance: I want to start a business, in Guangxi rural planting what and breeding what is more profitable?

"Raise an acre of shrimp a year can open a small car."

"How many shrimp seedlings do you need to put in a mu shrimp pond?" "180,000 tails, shrimp seedlings from Hainan into the 110 yuan per million tails." "When can you market?" "In May, each catty can be sold to more than 20 yuan, the first crop sold out in July and August and then put seedlings, to the Spring Festival around the time of the sale of the second crop ......"