Open Access Research Paper Views (813) Influence of nitrogen rate on competition between two rice (Oryza sativa L.) cultivars and barnyardgrass (Echinochloa crus-galli (L.) P. Beauv) Hashem Aminpanah Int. J. Biosci. 3(4), 90-103, April 2013. DOI: http://dx.doi.org/10.12692/ijb/3.4.90-103 Keywords: Barnyardgrass, Competitive ability, Nitrogen, Rice Details
