Effects of crop rotations on wee d infestation in winter wheat
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The effects of crop rotations, as one of the systems of the crop production in field plots, were studied on weed infestation in winter wheat crops. Winter wheat, as a second crop in the sowing structure, is usually cultivated in two cropping systems: continuous cropping and the two crop rotation. Based on these facts, the aim of the present study was to organise permanent crop rotations in the experimental agricultural farm of Radmilovac, a section of the Faculty of Agriculture in Belgrade. Crop rotations with different crops were established in 1992 and have been lasting ever since. Crop rotations, as a cropping practice, are a complex category with broad effects on the soil and crops. This paper presents results on effects of various systems of the crop production (crop rotation and continuous cropping) on a weed community of a winter wheat crop during two years of investigations (2008/09 and 2009/10). Crop rotations, especially three and two crop rotations were more efficient in sup...pression of weed plants per species and weed biomass than continuous cropping and six crop rotations.
Keywords:Continuous cropping / Crop rotations / Weeds / Winter wheat
Source:Bulgarian Journal of Agricultural Science, 2014, 20, 2, 416-420
- National Centre for Agrarian Sciences