This articlte explores the fertility potention of a few different feed stocks, selects the best one. Then compares the fress frass and the sterilised frass.
Frass: Fresh is Best
Full article
https://www.sciencedirect.com/science/article/pii/S0929139319300691
Reference
(Poveda, et al. 2019)
Poveda, J., Jiménez-Gómez, A., Saati-Santamaría, Z., Usategui-Martín, R., Rivas, R., & García-Fraile, P. (2019). Mealworm frass as a potential biofertilizer and abiotic stress tolerance-inductor in plants. Applied Soil Ecology : A Section of Agriculture, Ecosystems & Environment, 142, 110–122. https://doi.org/10.1016/j.apsoil.2019.04.016
This article is open source, so hopefully I haven't made any IP infringements.
