@article {10.3844/ajabssp.2013.54.66, article_type = {journal}, title = {Assessment of Soil Compaction under Center Pivot Irrigation Systems and its Effect on Crop Performance}, author = {Al-Gaadi, Khalid Ali}, volume = {8}, year = {2013}, month = {Mar}, pages = {54-66}, doi = {10.3844/ajabssp.2013.54.66}, url = {https://thescipub.com/abstract/ajabssp.2013.54.66}, abstract = {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}, journal = {American Journal of Agricultural and Biological Sciences}, publisher = {Science Publications} }