How to maximize profits

Which species of 100 mu fish pond culture in Hubei can produce the maximum income, and how much is the expected income? Hope to have a detailed input-output ratio. I hope you can give me some advice! -- this can only be given through on-the-spot investigation and understanding, otherwise it will not be practical-- it depends on whether you are willing to devote yourself to it, and how bold the people are, how productive the land is! -- it depends on whether you are willing to put in. How bold a person is, how productive the land is! Huyidao068 was published at 22:54 on 2009-11-22.