Orchard floor maintenance is an important function in pecan tree care. Weeds provide a refuge for harmful insects and they rob your pecan trees of water neded for optimal pecan production. We recommend you spray a herbicide around the base of your pecan trees periodically to control and prevent weed growth. The herbicides and weed killers here are just what you need to maintain control of weeds in your orchard. Make your purchase from the comfort of your easy chair and have your herbicide shipped to you.