Insect excrement as an alternative fertilizer for sustainable agriculture

Picture by Dennis Kress

The mass breeding of insects for animal protein production could compete efficiently with conventional livestock to feed the ever-growing human population. Insect excrement (frass) is one of the main outputs of this process. In a recent review, scientist Poveda highlighted the benefits of reusing frass as bio-fertilizer in agriculture. Insect frass provides soils with nutrients, beneficial microorganisms and different biomolecules of great interest. Therefore it promotes plant growth and increases crop productivity for a sustainable agriculture.

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