Iowa DNR advises to wait to prune oak trees until ... leaves and die within a month or two after showing symptoms. White oak ...

Here is what you need to know about the Iowa Department of Natural Resources' Iowa's turkey hunting regulations. The Iowa DNR has four sessions this turkey season spread over two months.

The Iowa Department of Natural Resources suggests immediately finishing pruning oak trees to prevent the spread of oak wilt.

RED OAK, Iowa. (WOWT) - Officials with the Iowa DNR released more data on the environmental impact of a fertilizer spill that released 1,500 tons of liquid nitrogen into a southwest Iowa river.