There are many things to learn about, so why add weeds to your list? Because the more you know about weeds, the better you can control pesky infestations or prevent them from establishing in the first place. Weeds cause problems ranging from taking up space and excluding good plants to harming people, pets, livestock and wildlife. They also cause us to take costly control measures. Almost everyone is directly affected by weeds. My job includes assisting ranchers in growing quality forage (pasture and hay) for livestock. An important part of this includes keeping weeds out of the fields. In fact, …