'Abd Allah (b. Umar) use to pay dried dates as sadaqah one year the people of Medina lacked dried dates, hence he paid barley.
عَبْدُ اللَّهِ فَعَدَلَ النَّاسُ بَعْدُ نِصْفَ صَاعٍ مِنْ بُرٍّ قَالَ وَكَانَ عَبْدُ اللَّهِ يُعْطِي التَّمْرَ فَأَعْوَزَ أَهْلَ الْمَدِينَةِ التَّمْرُ عَامًا فَأَعْطَى الشَّعِيرَ