The effect of tillage system and nitrogen fertilization on changes in physical properties of the soil for winter triticale
Małgorzata Idkowiak
Leszek Kordas
Abstract
In 2001–2003 a study at Agricultural Station of University of Wrocław examined the effect of different tillage systems: conventional, simplified (spray of Roundup instead of post harvest tillage and shallowing of sow ploughing, swirl harrowing or cultivatoring instead of sow ploughing) and direct sowing on selected physical properties of the soil (soil moisture, bulk density, porosity, soil compaction). The experiment was conducted as a field experiment, split-plot method, in four replications on medium textured soil, very good rye complex. The studies were carried out for winter triticale. It was found that chemical spray instead of post-harvest tillage increased the soil compaction, bulk density and soil moisture and also decreased the total porosity of the soil. The highest values of the examined properties of the soil were noticed under no-tillage system. Nitrogen fertilization had a significant influence on the changes of physical properties of the soil.
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