Said E, Abdulrassoul K. EFFECT OF HUMIC ACIDS AND SPRAYING WITH AMINO ACIDS AND ALCOHOLIC SUGARS ON THE CONCENTRATION OF SOME NUTRIENTS IN POTATO TUBERS AND THEIR AVAILABILITY IN THE SOIL. Iraqi J. Agric. Sci. [Internet]. 2026 Feb. 28 [cited 2026 Jul. 9];57(2):379-92. Available from: https://www.jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/2476