Agronomy Science, przyrodniczy lublin, czasopisma up, czasopisma uniwersytet przyrodniczy lublin
The purpose of the study was to determine the effect of amino acid fertilizers on the volume and structure of grain yield of modernly grown and old cultivars of winter common wheat in organic production. The following wheat cultivars were evaluated: RGT Kilimanjaro, Ostka Grodkowicka, Square Head Grodkowicka, Egipcjanka, Nadwiślanka and Blondynka. Fertilizer variants included: facility without foliar fertilization, Fertileader Tonic, Ecovigor AA, Fertileader Tonic + Ecovigor AA, Aminosol, Fertileader Tonic + Aminosol. Of the wheat cultivars evaluated, the highest grain yield was that of the contemporary cultivar RGT Kilimanjaro, which yielded an average of 7.27 t ha–1. Old regional wheat cultivars developed grain yields 36.3 to 50.3% lower. In this group of cultivars, Nadwiślanka was characterized by the highest yield potential, and Blondynka by the lowest. The lower grain yields of the old wheat cultivars were the result of weaker plant tillering, a smaller number of developed grains per ear, and a weight of 1,000 grains compared to wheat grown today. The application of amino acid fertilizers resulted in grain yield increases ranging from 2.4 to 7.2%. A significant increase in yield was found after the application of Fertileader Tonic together with the fertilizers Ecovigor AA and Aminosol.
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