In the recent years chemical control of weeds has become a dominant method of weed control in agricultural fields. The heavy use of chemicals inputs has had a negative impact on the environment and human health. So this study tries to investigate the effect of farmers’ knowledge of sustainable weed management in wheat and rice fields and factors affecting it in villages of Dooreh - Chegeni Township. The study was done by a descriptive-surveying method that including field and documentary data. The validity of research tool was obtained by the idea of experts and for reliability of questionnaires was conducted a pilot test by Cronbach’ Alpha coefficient this index was higher than 0.7 showed that research tool was reliable. The population of the study consisted of selected Dooreh - Chegeni farmers that cultivation wheat and rice together. They have include according to the latest census (2011), Population of the study include namely 1650 rural farmers. Sample size was determined using the Cochran formula (n=198) and afterwards was divided through the proportional allocation between different justify; LINE-HEIGHT: normal; MARGIN: 12pt 0in 0pt; mso-layout-grid-align: none" Keyword : Farmers knowledge, Weeds, Integrated managenment, Sustainable management, Wheat, Rice, Dooreh Chegeni Township.
