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Gewählte Master / Diploma Thesis:

Markus Weber (2013): Einfluss unterschiedlicher Bodenbearbeitungssysteme und der Vorfrucht auf Pflanzenwachstum, Ertrag und Qualität sowie auf ausgewählte bodenphysikalische Kennzahlen bei Winterweizen (Triticum aestivum L.) .
Master / Diploma Thesis - Abteilung Pflanzenbau, BOKU-Universität für Bodenkultur, pp 110. UB BOKU obvsg FullText

Data Source: ZID Abstracts
The crop production is affected by many various positive and negative effects every year. In addition, there are numerous other aspects like politics, society and commerce which have to be considered by farmers in order to make the best possible decisions. To produce environmentally friendly, save costs and still be able to provide optimum yields with a high quality, a reduction of the soil tillage or a change of the tillage system can be the first step into a cost-effective crop production. To investigate this possibility a long-term field trial with five different tillage systems and two different crop rotations was started in 1996. In 2012, soil parameters, the growth, yield and quality of winter wheat were measured and analyzed. The highest grain and straw yield after the previous crop sugar beet was measured in the ‘no-till system’ and after the winter wheat in the ‘integrated system’. It was found out that the highest chlorophyll content of leaves was achieved with the ‘no-till system’, and the highest stomatal conductance of leaves was reached in the ‘no-till system’ after winter wheat and in the ‘minimum tillage system’ after sugar beet. Concerning the results of the soil cover, the differences between crop rotations and the measurement times were highly significant. The results for the contents of carbon, nitrogen and sulfur in grain and in straw differed only slightly and were not affected by the tillage system in the year 2012. Generally the hectolitre weight, thousand corn weights and protein content in the yield were after the sugar beet higher than after the winter wheat. As some effects are only apparent after years, it is advisable to create and evaluate long-term tillage experiments. Thereby it is possible to consider and analyze the influences and the impacts of annual weather conditions on the various parameters. For an objective assessment of a tillage system, it is ultimately useful to include the results from other cultures and years.

Beurteilende(r): Liebhard Peter
1.Mitwirkender: Bodner Gernot

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