The Morphological Change in Sunflower Plant under Hardening Conditions to Drought Tolerance. II. Leaf Number and Leaf Area. Baghdad Science Journal, Iraq, Baghdad, v. 6, n. 3, p. 470–479, 2009. DOI: 10.21123/bsj.2009.6.3.470-479. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/1005.. Acesso em: 18 dec. 2024.