 Lajjun , Umm al @-@ Fahm and seven hamlets had a total land area of 77 @.@ 24 square kilometres ( 29 @.@ 82 sq mi ) , of which 68 @.@ 3 square kilometres ( 26 @.@ 4 sq mi ) was Arab @-@ owned , and the remainder being public property . There was a total of 50 km2 ( 12 @,@ 000 acres ) of land that was cultivated ; 4 @.@ 3 km2 ( 1 @,@ 100 acres ) were used for plantations and irrigated , and 44 @.@ 6 km2 ( 11 @,@ 000 acres ) were planted with cereals ( wheat and barley ) . The built @-@ up area of the villages was 0 @.@ 128 km2 ( 32 acres ) , most of it being in Umm al @-@ Fahm and Lajjun . 
