The Ministry of Agriculture sponsored a number of films during WWII, including this short, no-nonsense instructional by Margaret Thomson of the Realist Film Unit on cultivating a compost heap for the garden or allotment - making the most of scarce resources in a time of crisis.
Read more about the history of the Crown Film Unit at BFI Screenonline - http://www.screenonline.org.uk/film/id/469778/index.html
All titles on the BFI Films channel are preserved in the vast collections of the BFI National Archive. To find out more about the Archive visit http://www.bfi.org.uk/archive-collections