It is also home to a considerable part of European biodiversity. Yorkshire, one of the largest historic counties in Britain, has a population of approximately five million. The area is surrounded by North Sea, Durham County Nottinghamshire, Lincolnshire, Derbyshire, Lancashire, and Westmorland. Yorkshire County is divided into north, west, and east ridings. The city of York is not part of any of the ridings. Agricultural fields cover 75 percent of the land in Yorkshire. (http://www.soilassociation.org/web/sa/psweb.nsf/A5/yorkshire.html) The large urban area serves as the potential market for agricultural products. The agriculture sector in Yorkshire has seen tremendous changes over the course of the past 50 years. Earlier, the fields were divided into smallholdings, owned by a larger member of people. Now the tendency is to own larger units of specialized farms. Obviously larger farms have several advantages over smaller units.After the Second World War, farming practices have become intensive. With government guarantee in prices, more farmers resorted to capital investments and started increased use of modern technology, especially machines. Generally, large capital investment is required for the effective implementation of machines. The introduction of machines in small holdings is not very profitable. All these factors have necessitated large farmlands. The advantages of the larger farmland are many. Firstly, output has increased significantly. Over the 50 years, more than 100 percent productivity increase has seen in some of the crops. Secondly, it has made mechanization easier. The use of machines resulted in a reduction in expenditure. It has also made operations quicker and faster. Thirdly, it has led to the specialization of crops, now the focus is on cultivating more profitable crops. Fourthly, it has also highly helpful ineffective management of the agricultural land. Fifthly, the use of modern technology in large farms.