|
|
Vliv dusíkato-sirných hnojiv s humáty na výnos a kvalitu pšenice ozimé
Dostal, Tadeáš
The aim of diploma thesis was to examined the effect of humate addition to nitrogen fertilizers with sulfur on yield and qualitative parameters of the winter wheat. The ex-periment was established as a two-years small-plot field experiment. The experiment was established on two experimentation locations – Žabčice and Vatín. Because of the high number of factors, two multifactor analyzes were performed in the statistical evaluation. The variant of fertilization included in the experiment are: DASA (amonnium sul-phate nitrate), DASAMAG (amonnium sulphate nitrate and magnesite) and MAGNI-SUL (amonnium suplhate nitrate and magnesite) with their analogies DASA H, DASAMAG H a MAGNISUL H with the humate addition in form of lignite. Ferti-lizers were applied in two terms either regenerative or productive. The highest statistical differences were achieved for the factors of the locality and the year. The average yileds achieved in Žabčice were higher in comparison with Vatín (the difference was 0,45 t/ha respectively 5,7 %). There were observed higher average yields in the year 2017 beside the year 2016 (the difference was 1,86 t/ha respectively 26,1 %). There were also recorded higher values of qualitative parameters in Žabčice in 2017. Based on the results, it can be stated that the best average yields and the other monitored parameters were in Žabčice 2017. There were no statistical differences between variants with and without humate. The highest average yield achieved variant fertilization with DASA. Only variant MAGNI-SUL H achieved higher yield than variant MAGNISUL (the difference was minimal, 0,2 %). MAGNISUL H was the only variant that achieved higher average volume weight and sediment values compared to the fertilizers without the humate addition. The term of application did not prove to be statistically significant.
|
guest ::
RSS feed.