This is a short scientific article that explores the effects of different application rates on fields via a pot study. It is quite a good reference, it has numbers, charts, and everything.
Frass: Field Aplication Rates
Full article
https://www.frontiersin.org/journals/sustainable-food-systems/articles/10.3389/fsufs.2021.714596/full
Reference
(Houben, Daoulas, & Dulaurent 2021)
Houben, D., Daoulas, G., & Dulaurent, A. M. (2021). Assessment of the Short-Term Fertilizer Potential of Mealworm Frass Using a Pot Experiment. Frontiers in Sustainable Food Systems, 5. https://doi.org/10.3389/fsufs.2021.714596
This article is open source, so hopefully I haven't made any IP infringements.
