K. A. AL-Mosawi and S. S. Al-Hadi 2017. EFFECT OF MAGNETIC AND QUALITY OF IRRIGATION WATER IN MEAN WEIGHT DIAMETER AND AGGREGATION INDEX FOR CLAY LOAM SOIL DURING GROWTH STAGES OF BARLEY CROP . IRAQI JOURNAL OF AGRICULTURAL SCIENCES. 48, 6 A (Dec. 2017), 1473–1484. DOI:https://doi.org/10.36103/rd7brs08.