The so-called "rotten street" vegetables refer to vegetables that can be seen everywhere in the vegetable market, such as Chinese cabbage, tomatoes, beans, cucumbers, potatoes, etc. Although these vegetable varieties are popular and many people eat them, ordinary rural people will grow these vegetables to maintain their daily consumption, but many people who follow the trend will have a large total output, obvious overcapacity, and the market price is too low to make much money.
Things are vaguely expensive, for example, everyone grows peppers in winter, and it doesn't matter if there are more peppers. Because pepper can not only be eaten directly, but also be processed into Chili sauce, Chili powder, Chili oil, Chili essence, Chili preserved, etc., which increases the value of pepper and has a higher market price. Therefore, to grow greenhouse vegetables, you should know what the vegetable farmers around you grow, and you should grow vegetables with no race or few races. Plant some out-of-season vegetables and fruits and so on. There are many factors related to how much money you make.
For example, the market demand, the price level, the management cost of large greenhouses and so on. I think edible fungi and peppers are the most extensive vegetable varieties and vegetables. In recent years, edible fungi have become more and more good. Take mushrooms as an example, they are popular in the market, with high nutritional value, good taste and good market price. Edible fungi are easy to grow, and the survival rate is high, and they are relatively tolerant to be cultivated, with low cost and high income.