University of Portsmouth named the UK's most affordable city for students in the Natwest Student Living Index 2016. On Friday 4 May 2018, the University of Portsmouth was revealed as the main shirt sponsor of Portsmouth F.C. for the 2018-19, 2019-20 and 2020-21 seasons. The history of the university dates to 1908, when the Park building opened as a Municipal college and public library. The focus was on chemistry and engineering. The roots of the University can be traced back even further to the Portsmouth and Gosport School of Science and the Arts. Shortly after in the year of 1911 a Student Union
Optimum water content for tillage Optimum water content for tillage The optimum water content for tillage (OPT) is defined as the moisture content of soil at which tillage produces the largest number of small aggregates. The Optimum Water Content of soil is the water content at which a maximum dry unit weight can be achieved after a given compaction effort. A max dry unit weight would have no voids in the soil. If you were trying to compact a hard dry soil to make it more dense, you might want to get it wet. The OPT is the water content of the soil in which