Control of kochia in hybrid poplar

摘要

Research plots were established on November 20, 2006 at the Navajo Agricultural Products Industry hybrid poplar tree farm, Farmington, New Mexico, to evaluate the response of kochia and hybrid poplar to herbicides. Soil type was a Doak sandy loam witha pH of 7.8 and an organic matter content less than 1%. The experimental design was a randomized complete block with three replications. Individual plots were 12 by 25 feet. Treatments were applied with a compressed air backpack sprayer calibrated to deliver 30 gal/A at 30 psi Treatments were applied on December 20,2006 and were evaluated on June 6,2007.