& Rabee J. EFFECT OF SALICYLIC AND HUMIC ACID ON VINCRISTINE AND N, P, K CONTENT IN MADAGASCAR PERIWINKLE LEAVES. Iraqi J. Agric. Sci. [Internet]. 2016 Apr. 21 [cited 2024 Nov. 21];47(2). Available from: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/600