Open Access Research Paper Views (5137) Frequency application of fish amino acid (FAA) on the growth and yield performance of pechay (Brassica rapa L.) Narcisa S Aganon, Gerald M Duza J. Biodiv. & Environ. Sci. 18(1), 113-119, January 2021. Keywords: Fish amino acid (FAA), Frequency, growth, Pechay, Yield Details