基于物联网的农产品信息管理系统的后台数据库系统，实现各种农业信息的查询，如土地温度，湿度，阳光等，以及数据的增删改查-Based on the content of network agricultural information management system of background database system, to achieve a variety of agricultural information query, such as land temperature, humidity, sunshine, and the data of the additions and deletions to search