Guess how much is a pound of greens in my hometown? More than the price of cabbage, 320 yuan a ton, that is, 1 cent 6 a catty, but also have to cut themselves, carry themselves from the field to the highway, with loading. If it is good, an acre of land can be sold for about 10 tons, two people cut a day, two people work together to transport and load the car for a day. If the labor is calculated as 150 a day per person, the cost is 600 yuan, plus fertilizer. Coupled with the cost of land, it is really not easy to make money