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177 results on '"Stolarski, Mariusz J."'

27. Control of soil variability in data analysis from camelina and crambe field breeding experiments with check plots.

Author

Załuski, Dariusz, Bronowicka-Mielniczuk, Urszula, Mielniczuk, Jacek, Krzyżaniak, Michał, and Stolarski, Mariusz J.

Subjects
FIELD research, CAMELINA, ANALYSIS of covariance, DATA analysis, TEMPERATE climate
Abstract

The aim of this study was to compare different methods for analyzing data from a field breeding experiment with check plots where soil variability was controlled with the use of statistical and geostatistical methods. The analyzed data were obtained from field experiments investigating the yield of camelina Camelina sativa L. Crantz and crambe Crambe hispanica ssp. abyssinica Hochst. ex R.E. Fr. Prina seeds in the temperate climate of north-eastern Poland. Analysis of variance models with a completely randomized design, a randomized block design, and analysis of covariance were compared. In the vast majority of cases, the values of statistical information criteria demonstrated that the best model was the analysis of covariance where the theoretical seed yield from the check plot, interpolated with a geostatistical method, was the covariate. The results of this study can be useful for testing new cultivars in large-scale commercial farms with variable soil conditions to identify the optimal genotype for the local environmental and climatic conditions. [ABSTRACT FROM AUTHOR]

Published
2023
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36. WP2. Doświadczenia polowe wybranych systemów upraw współrzędnych

Author

Stolarski, Mariusz J., Krzyżaniak, Michał, Graban, Łukasz, Lajszner, Waldemar, Suchowilska, Elżbieta, Sulima, Paweł, Wiwart, Marian, Stolarski, Mariusz J., Krzyżaniak, Michał, Graban, Łukasz, Lajszner, Waldemar, Suchowilska, Elżbieta, Sulima, Paweł, and Wiwart, Marian

Abstract

W 2022 roku, na podstawie informacji uzyskanych z laboratoriów terenowych (WP 1) oraz założeń projektu SCOOP, lnianka siewna oraz trzy rośliny towarzyszące - len, czerwona soczewica i orkisz zostały wybrane do przeprowadzenia prób polowych z systemami międzyplonowania z lnianką. Rośliny zostały wysiane (kwiecień 2022 roku) w ilościach: lnianka 7 kg/ha, a następnie odpowiednio: 60 kg/ha, 50 kg/ha i 150 kg/ha. Drugim czynnikiem w tym eksperymencie był sposób siewu: uprawa jednoroczna (każda z czterech gatunków) oraz międzyplon, tj. lnianka i każdy z trzech wyżej wymienionych gatunków. Rośliny towarzyszące zostały wysiane w rzędy, podczas gdy lnianka została rozsiana. W systemach międzyplonowania zastosowano dwie gęstości siewu: 58,3% (wersja V1 - wysoka) i 41,7% (wersja V2 - niska). W całym eksperymencie najwyższy plon nasion uzyskano z uprawy samodzielnej orkiszu, 4,06 Mg/ha. Z kolei plony lnu, lnianki i soczewicy były niższe i wyniosły odpowiednio: 2,45; 1,47 i 0,40 Mg/ha. Międzyplonowanie lnianki z orkiszem spowodowało spadek plonu orkiszu, soczewicy i lnu. Analizując łączny plon nasion z systemów międzyplonowania, stwierdzono, że najwyższy plon uzyskano z międzyplonowania lnianki z orkiszem w wariantach V2 (2,89 Mg/ha) i V1 (2,56 Mg/ha). Najniższe plony uzyskano z siewu lnianki z soczewicą: 1,27 i 1,18 Mg/ha w wariantach V1 i V2, odpowiednio

Published
2022

49. ORGANIC CARBON, TOTAL NITROGEN AND MACRONUTRIENTS IN SOIL UNDER SHORT-ROTATION WILLOW AND POPLAR PLANTATIONS.

Author

Niksa, Dariusz, Stolarski, Mariusz J., Krzyżaniak, Michał, and Załuski, Dariusz

Abstract

Plant cultivation for energy purposes in a short rotation coppice system not only provides biomass for industry and power generation, but it is also beneficial for the environment. This study examined the effect of the species (cultivar/clone), harvest cycle and fertilization on selected soil parameters. A four-factorial strip-split-split-plot experiment was conducted in the north-east section of Poland. The treatment were two willow - Ekotur and Żubr (Salix viminalis L.) and one poplar cultivar (P. nigra x P. maximowiczii Henry) that were grown in one- and three-year harvest cycles. The species were fertilized with mineral and organic fertilizers (0, 85 and 170 kg ha-1 N). Soil samples were collected prior to the growing season (early spring) in 2016, 2017 and 2018. The experiment demonstrated that the annual cycle contained significantly more organic carbon (1.09%) than the triennial cycle. Moreover, organic carbon content was higher (p=0.0009) at sites where cultivars of S. viminalis L. were grown compared to those where the poplar clone was grown. Furthermore, total nitrogen content, phosphorus and potassium were higher at sites with the annual cycle. In contrast, these parameters were similar at most sites in the triennial cycle. These results indicate that fertilization did not affect soil organic carbon, pH, total nitrogen and macronutrients content in the triennial harvest cycle. The research needs to be continued during longer plantation use to confirm or refure these relationships. [ABSTRACT FROM AUTHOR]

Published
2022
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