▁describe ▁the ▁con quest ▁of ▁Kh ay bar , ▁detail ing ▁the ▁agreement ▁of ▁Muhammad ▁with ▁the ▁Jews ▁to ▁remain ▁in ▁F ad ak ▁and ▁cultiv ate ▁their ▁land , ▁retain ing ▁one - half ▁of ▁the ▁produce ▁of ▁the ▁o asis . ▁This ▁agreement ▁was ▁distinct ▁from ▁the ▁agreement ▁with ▁the ▁Jews ▁of ▁Kh ay bar , ▁which ▁essentially ▁ent a iled ▁the ▁practice ▁of ▁share cro pping . ▁Muhammad ▁retained ▁the ▁reven ues ▁of ▁the ▁F ad ak ▁region ▁for ▁the ▁poor ▁as ▁ ṣ ada qa , ▁travel ers ▁in ▁need , ▁and ▁for ▁his ▁family . ▁ ▁It ▁is ▁not ▁entirely ▁clear ▁how ▁Muhammad ▁managed ▁his ▁possession ▁of ▁F ad ak . ▁I bn ▁Ta imi y ya ▁wrote ▁in ▁his ▁Min h aj ▁al - S unn ah ▁that ▁Muhammad ▁appointed ▁Am r ▁ibn ▁al - As ▁as ▁the ▁governor ▁of ▁the ▁Kh ay bar ▁o asis ▁ ▁Following ▁the ▁death ▁of ▁Muhammad , ▁sch ol ars ▁disag re ed ▁as ▁to ▁whether ▁F ad ak ▁was ▁exclus ively ▁his ▁property . ▁Some ▁Muslim ▁comment ators ▁agree ▁that ▁following ▁the ▁con quest ▁of ▁F ad ak , ▁the ▁property ▁belonged ▁exclus ively ▁to ▁Muhammad , ▁while ▁several ▁others ▁reject ▁this ▁view . ▁ ▁Vari ous ▁primary ▁sources ▁describe ▁the ▁ac quisition ▁of ▁F ad ak ▁in ▁the ▁following ▁way : ▁ ▁Half ▁the ▁Land ▁of ▁F ad ak , ▁which ▁was ▁given ▁by ▁Jews ▁after ▁the ▁peace ▁treat y , ▁was ▁purely ▁the ▁property ▁of ▁Ras ool ▁Al