Emission of methane, nitrous oxide, and ammonia from dung windrows
Hellebrand, Hans Jürgen, Wolf-Dieter Kalk
Published in Nutrient cycling in agroecosystems (01.01.2001)
Published in Nutrient cycling in agroecosystems (01.01.2001)
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Journal Article
Emission of carbon monoxide during composting of dung and green waste
Hellebrand, Hans Jürgen, Wolf-Dieter Kalk
Published in Nutrient cycling in agroecosystems (01.01.2001)
Published in Nutrient cycling in agroecosystems (01.01.2001)
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Journal Article
Energy balance for implements with horizontal axle of rotation in soil cultivation
Kalk, W.-D. (Forschungszentrum fuer Bodenfruchtbarkeit, Muencheberg (Germany, F.R.). Akademie der Landwirtschaftswissenschaften), Bosse, O, Bernard, C
Published in Grundlagen der Landtechnik (1987)
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Published in Grundlagen der Landtechnik (1987)
Journal Article
Rotating tools being coupled by a chain drive for seed bed preparation devices which are combined with the plough
Kranz, J, Kalk, W.-D, Bosse, O. (Forschungszentrum fuer Bodenfruchtbarkeit, Muencheberg (German D.R.))
Published in Agrartechnik (German D.R.) (1987)
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Published in Agrartechnik (German D.R.) (1987)
Journal Article
Description of forces and momenta acting on rotating soil cultivation implements with horizontal axis of rotation
Kalk, W.-D. (Akademie der Landwirtschaftswissenschaften, Muencheberg (German D.R.). Forschungszentrum fuer Bodenfruchtbarkeit), Bosse, O
Published in Grundlagen der Landtechnik (1985)
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Published in Grundlagen der Landtechnik (1985)
Journal Article
Use of design systematics in the design of driven furrow presses - search for variants, evaluation and selection
Baur, A. (Forschungszentrum fuer Bodenfruchtbarkeit, Muencheberg (German D.R.). Akademie der Landwirtschaftswissenschaften), Kalk, W.-D, Busch, K, Feige, K.-D
Published in Grundlagen der Landtechnik (1986)
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Published in Grundlagen der Landtechnik (1986)
Journal Article
Drill coulters for soils with incorporated crop remains
Kalk, W.-D. (Institut fuer Agrartechnik, Potsdam (Germany)), Herzog, R, Lange, D, Bernard, C
Published in Landtechnik (1992)
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Published in Landtechnik (1992)
Journal Article