Yes, your shed does need a base. This is to give it a solid, level foundation. Open soil will not help with the longevity of the shed itself or the contents within. The best materials to use to make your shed base are concrete, natural stone or wood.
Newton Stewart
Newton Stewart is a former burgh community in the historic area of Wigtownshire in Dumfries as well as Galloway, southwest Scotland. The community gets on the River Cree with the majority of the town to the west of the river, and is in some cases described as the "Gateway to the Galloway Hills". The primary local sectors are farming, forestry and tourism. The town hosts a local market, and also a number of services to support the farming sector. There are several mountain cycling routes in the location. Newton Stewart lies on the southerly edge of the Galloway Forest Park, which provides numerous work to the town. Newton Stewart FC, nicknamed the "Creesiders" play in the South of Scotland league, their ground is called Blairmount Park.