Usoro Haber, [1] nke a na-akpọkwa usoro Haber-Bosch, bụ usoro nhazi nitrogen artificial na bụ isi usoro mmepụta ihe maka mmepụta nke amonia taa.[2][3] Akpọrọ ya aha ndị mepụtara ya, ndị German chemists Fritz Haber na Carl Bosch, bụ ndị mepụtara ya n'afọ iri mbụ nke narị afọ nke 20. Usoro a na-atụgharị nitrogen ikuku (N2) ka ọ bụrụ amonia (NH3) site na mmeghachi omume na hydrogen (H2) site na iji metal catalyst n'okpuru nnukwu okpomọkụ na nrụgide: