These two products are indeed more expensive than other common fertilizers, but the effect is really good. The main functions of these two products are to improve acid soil (this technology has national invention patent) and promote growth (containing biological bacteria, various trace elements and plant growth promoters, etc.). ) and disease prevention (tobacco stems and exclusive microbial agents), so there is no need to use other products in the process of using these two products (individual crops need to supplement a certain fertilizer separately, such as potatoes need to supplement more potassium fertilizer). Therefore, relatively speaking, silkworm rearing ability and wild silkworm excellent soil are cost-effective, and the use cost will not increase too much, saving time and labor, and it is worth buying.
In addition, there are many cases of using these two products in Plant Dragon official website, with the methods and contact information of farmers on them. What's the effect? Just call a few telephone areas and ask, and maybe you can go directly to the scene to see.