TY - JOUR AU - Al-Gaadi, Khalid Ali PY - 2013 TI - Assessment of Soil Compaction under Center Pivot Irrigation Systems and its Effect on Crop Performance JF - American Journal of Agricultural and Biological Sciences VL - 8 IS - 1 DO - 10.3844/ajabssp.2013.54.66 UR - https://thescipub.com/abstract/ajabssp.2013.54.66 AB - A field study on two 12.5 ha plots cultivated with wheat and alfalfa was conducted to determine Soil Compaction (SC), its spatial variability and its effect on crop performance under center pivot irrigation systems. Considering compaction at two tested soil depths, results revealed that the soil of the alfalfa plot exhibited significantly (p