EFFECT OF DIAMETER AND LEVEL ADDITION BIOCHAR ON SOME SOIL CHEMICAL PROPERTIES AND BROCCOLI GROWTH. Iraqi Journal of Agricultural Research, [S. l.], v. 30, n. 1, p. 1–13, 2026. DOI: 10.65814/ijar.2026.30.1.1. Disponível em: https://ijarmoa.gov.iq/index.php/ijar/article/view/385. Acesso em: 2 nov. 2026.