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What happens if you put yeast in soil?
This nutritious fungi we've drunk for millennia can also be of use in our garden as fertilizer — either fermented or unfermented. Besides gaining nutrients, plants benefit from yeast cells colonizing the roots which offers protection from harmful organisms. There are several ways to prepare a yeast-based fertilizer.
Is active dry yeast good for plants?
Yeast metabolites, such as erythronic acid, cytokinin, and auxin, can stimulate the growth and development of crops. Yeast applied to crops can also increase fruit set and production, with high yield and efficiency. Yeast can prevent pathogenic bacteria from infecting crops and reduce the chance of crop disease.