alexa Abstract | The effect of barley grass cover crop on control weed of flix weld (Descurainia Sophia)

European Journal of Experimental Biology
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Today, planting winter cover crops to reduce herbicide is high considered. The purpose of this study was to examine the effect of barley grass cover crop on control weed of flix weld (Descurainia Sophia). This experiment was conducted at agricultural farm of Rezvan Junior College in kerman provinces (latitude 25 55 / N, longitude 53 26 / E , altitude 1755m) from September 2010 to April 2011. A completely block randomized design experiment was performed with three replications. The treatments involved: control (without cover crop) and barley grass cover crop with three aggregation respectively. After land preparation operations include plowing, disking and leveling, cover crop plants were implanted on 12 September 2010. The seed of cover crop plants was strew by hand in two directions perpendicular to the surface of soil and then uniformly spread and mixed through with a toothed harrow. In the medium of May 2011 randomly sampling were doing for investigate the effect of cover crops on biomass, density and diversity of natural populations of winter weed and also biomass production plants. The results of this experiment showed that the experimental treatment were reduce weed of Descurainia Sophia compared with control. Treatments 1 and 2 during the growing season had the highest weed control. Both treatments were decreased the average of weed density compared with control (30 and 31% respectively). Treatments 1 and 2 were also product higher yield of the barley compared with control group (58 and 45 % respectively). These treatments were increased average weight of the barley 60 and 27% compared with control. The results of the current study suggested that the planting winter cover crops have a beneficial effect on control ans suppress of weed.

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Author(s): Seyed Abbas Tabatabaei Far

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