& Al-a’amry, Saaseea. 2018. “EFFECT OF FOLIAR APPLICATION WITH CALCIUM, MAGNESIUM AND FERTILIZING WITH HUMIC ACID ON GROWTH , YIELD, AND STORAGE ABILITY OF POTATO TUBERS.”. IRAQI JOURNAL OF AGRICULTURAL SCIENCES 49 (5). https://doi.org/10.36103/ijas.v49i5.52.