Open Access Research Paper Views (736) Determination of the best weeds control period in a soybean (Glycine max) new released hybrid:Williams Bahram Mirshekari, Reza Siyami Int. J. Biosci. 3(6), 45-48, June 2013. DOI: http://dx.doi.org/10.12692/ijb/3.6.45-48 Keywords: Crop yield loss, Interference duration, Soybean yield Details