According to the query of Douban, raising Doudan will not affect the growth of beans. In the process of bean Dan cultivation, if you simply cultivate bean Dan to make money, you don't need to fertilize the land; If you want beans to sell more money, you should fertilize them properly, so that you can cultivate bean Dan and harvest beans.

Doudan is the larva of the bean moth. Feeding on soybean and acacia leaves, it is an insect that grows naturally in a non-toxic and pollution-free state. Beautiful figure, almost like a silkworm.