142000 mu jujube orchard. Lingwu city has established three experimental demonstration sites of three-dimensional planting and breeding mode in Lingwu Changzao Garden with a total area of 550 mu, and implemented the construction of 1,000 mu facilities fruit and vegetable base and 1,000 mu demonstration base of fresh grapes in Daquan Forest Farm. In addition, there are142,000 mu jujube orchards in lingwu city, Ningxia, and lingwu city was called Lingzhou in ancient times, which is the core area of industrial development in Ningxia Hui Autonomous Region.