Close all public footpaths, bridleways and right of ways going directly through farmers land. There are plenty of alternatives that do not jeopardise farmers abilities to farm and provide essential work.
Farmers are essential for the wellbeing of everyone. They have an extremely hard task trying to farm under normal circumstances, without covid-19. A lot of people are out exercising, touching gates, walking through farm land, and hassling farmers. For a temporary measure, help farmers.