Wydanie 332(41)1 2017

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https://oa.zut.edu.pl/handle/20.500.12539/705

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    The impact of sewage sludge and biomass ash fertilization on the yield, including biometric features and phyisiological parameters of plants of two jerusalem artichoke (Helianthus tuberosus L.) cultivars
    (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2017) Puchalski, Czesław; Zapałowska, Anita; Hury, Grzegorz; Department of Bioenergetics and Food Analysis, University of Rzeszów; Department of Bioenergetics and Food Analysis, University of Rzeszów; Department of Agronomy, West Pomeranian University of Technology, Szczecin
    Jerusalem artichoke is one of such plants that can be put to energy use. The objective of the research study was to assess the impact of fertilization with sewage sludge and conifer sourced ash biomass on yields as well as biometric and physiological parameters of two cultivars (Albik and Gigant) of Jerusalem artichoke (Helianthus tuberosus L.). The two-year study was carried out in fields located in Ujkowice near Przemyśl. The trials covered 3 factors, as follows: 4 levels of fertilization with biomass – ash from conifers, 2 levels of fertilization with sewage sludge, 2 cultivars of Jerusalem artichoke (Helianthus tuberosus L.) – Gigant and Albik. In the first year after the application of sewage sludge in an amount of 30.3 t ∙ ha–1, the yield was lower by about 0.8 t and in the second, the reaction to fertilization using sludge was positive. Differences in yield under varied levels of fertilization with sewage sludge depended on the length of shoots as well as the LAI and SPAD indicators. Biomass ash fertilization resulted in systematic increase in yields of the vegetative (aerial) parts in 2013. In the subsequent year, differences were insignificant. Yield increase in Jerusalem artichoke fertilized with biomass ash was associated with increased lengths of shoots, increasing values of the LAI and SPAD. There was no significant interaction between the organic and mineral fertilization. Amongst the two tested, Albik cv. was characterized by higher yields. The Polish Albik cv. was characterized by higher shoot lengths, smaller shoot diameters, higher LAI index, and a much higher SPAD (cultivar related features) value, while the Fv/Fm index for both cultivars was similar.