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Bodenstrukturzustand der unteren Ackerkrume auf langjährig konservierend tiefenreduziert bearbeiteten mitteldeutschen Ackerflächen [Lower topsoil structure conditions of agricultural areas using reduced-depth tillage for many years]
|Alternate Title:||Lower topsoil structure conditions of agricultural areas using reduced-depth tillage for many years|
|Authors:||Götze, Philipp; Rücknagel, Jan; Christen, Olaf|
|Volume Title:||Bodenschutz (Berlin. Zeitschrift)|
|Source:||Bodenschutz (Berlin. Zeitschrift), 18(3), p.88-93. Publisher: Erich Schmidt Verlag (for Bundesverband Boden), Berlin, Germany. ISSN: 1432-170X|
|Note:||In German with English summary. 45 refs.|
|Summary:||So far, only a few studies have recorded the influence--under practical conditions--of conservation and reduced-depth tillage over many years on the structural condition of the lower topsoil, which is no longer worked at all when such cultivation methods are employed. For this reason, in spring 2011 soil samples were taken at 24 sites in central Germany that had, for many years, been cultivated without using a plough. Using these, the aim was to determine the structural condition of the soil (parameters: dry bulk density, effective packing density, spade diagnosis, saturated hydraulic conductivity, air capacity) in the area below the cultivated horizon. The study was intended to examine whether, within the lower topsoil, soil compaction sets in that restricts the functionality of the soil structure. The results show that statements made in related literature, concerning improved bearing capacity and a reduced risk of compaction in soils where conservation tillage methods are employed, are only applicable to real conditions in practice to a limited extent. In fact, at the depth sampled the functional requirements of the soil's structural condition are not completely fulfilled in most of the sites examined.|
|Subjects:||Agriculture; Conservation; Morphology; Soil gases; Soils; Topsoil; Brandenburg Germany; Central Europe; Europe; Germany; Northeastern German Plain; Saxonian Massif; Saxony Germany; Saxony-Anhalt Germany; Thuringia Germany; Soil sampling|
|Copyright Information:||GeoRef, Copyright 2021 American Geosciences Institute. Reference includes data from Geoline, Bundesanstalt fur Geowissenschaften und Rohstoffe, Hanover, Germany|
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