DNR project targets grassland invaders 8/19/2020 8:59:00 AM View Count 2016 The Iowa Department of Natural Resources (DNR) will be conducting an aerial spraying project targeting invasive cottonwood and willow trees that are encroaching on grasslands at 15 wildlife management areas.
Fastest Forest: 5 Quick-Growing Trees to Plant 10/30/2015 4:47:00 AM View Count 59867 If you’re the type that likes quick results, watching a tree grow might seem painfully slow. But that’s no reason not to plant trees this fall, especially with these quick-growing varieties.