“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Agricultural and Biological Sciences6,212Biochemistry, Genetics and Molecular Biology2,186Immunology and Microbiology1,083Technology: Chemical technology: Food processing and manufacture1Technology: Home economics: Nutrition. Foods and food supply1