Paper Title
Study of the Effects of Herbicides on Weeds of Rice Crop Fields of Jehanabad District (Bihar)

Abstract
This paper presents a module on effects of herbicides on weeds of rice crop. As weed science is a multidisciplinary subject it includes encompassing agronomy, Botany, Soil science, Plant physiology, Biochemistry, Toxicology, Ecology, etc. By proper analyzing on all the concerned subjects it is found that weed population significantly reduced with herbicides application. The herbicides oxadiazon + orthosulfuron, were found more effective. Further rice plant is researched by dividing it in its constituent part. Keywords - Materials and methods, Time of Application, Spraying Equipment, Effectivity of Herbicides, Harvesting of Rice Crops, Simulation and Experimental Results