KHRBEET, H. K. EFFECT OF HUMIC ACID CONCENTRATION AND SPRAYING STAGES ON SEEDS YIELD AND ITS CONPONENTS OF ALFALFA. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, [S. l.], v. 52, n. 6, p. 1541–1548, 2021. DOI: 10.36103/ijas.v52i6.1495. Disponível em: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/1495.. Acesso em: 4 may. 2024.