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• The influence of crop rotation and nutrition regime in winter wheat on the phytomass remains and the deposits of weed seeds remained in the ground

  10-13

  Gheorghe-Emil Bandici

  Ileana Ardelean

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  150

  An important problem refers to soil weeds seed bank with special reference to brown luvic soils and relationship between vegetal remains
  (roots + stub) and nutrition regime – crop rotation plant. A great number of seeds can be found in first 20 centimeters of soil (plowing
  layer). This fact causes a high weeds density, which has a negative effect on the cultivated plants leading to partial or total crop loss.