plants and insects now thrive military tanks used to roll. so i don t want to believe it about the areas biodiversity is thanks to its former military use for one thing it s huge for a conservation area four hundred hectares plus they never used fertiliser because a military ground existed before the invention of chemical fertilizers so the ground s never been plowed. the area would have been overgrown long ago if that left colleagues and his team hadn t turned up. they brought grazing animals here like red ponies cows and goats to keep the grass short. that makes the perfect home for a mouse treated every. the butterfly needs open country the devil s bit scabious also can t germinate in dense vegetation many