Browsing by Author "Konvalina, Petr"

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  • Bernas, Jaroslav; Konvalina, Petr; Burghila, Daniela Vasilica; Teodorescu, Razvan Ionut; Bucur, Daniel (MDPI, 2020-12-01)
    Organic farmers farming on arable land have often had, in addition to the cultivation of common species of cultivated crops (such as wheat, rye, triticale or potatoes), interest in the cultivation of marginal crops such ...
  • Konvalina, Petr; Kopecký, Marek; Bernas, Jaroslav; Moudrý, Jan; Suchý, Karel; Machková, Božena (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2016)
    Weed plants are one of the main factors limiting the level of agricultural yield. Damages are very important in organic farming now. Because of the availability of herbicides in the last 50 years, the natural competitiveness ...