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Sieghard Lang

Wittenberg University

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Publication

Featured researches published by Sieghard Lang.

Archive | 1977

(Thio)acyl-pyrazole derivs. used as soil nitrification inhibitors - e.g. in soil treated with nitrogen-contg. fertiliser

Gerd Kaestner; Sieghard Lang; Manfred Dr Gross; Hans-Joachim Hartbrich; Manfred Klepel; Adelheid Geilhufe; Alfred Jumar; Rudi Walter; Paul Held; Heinz Dr Ackermann

Archive | 1995

Combination of active substances for inhibiting or regulating nitrification

Margrit Grabarse; Sieghard Lang; Hans-Jürgen Michel; Hartmut Wozniak

Archive | 1999

Combination of active ingredients for inhibiting or controlling nitrification

Margrit Grabarse; Sieghard Lang; Hans-Jürgen Michel; Hartmut Wozniak

Archive | 1997

Agent combinations to inhibit or control nitrification of ammonia nitrogen in cultivated soils and substrates

Hans Juergen Michel; Sieghard Lang; Hans J. Hartbrich; Margit Grabarse; Heinz Böhland; Klaus Möckel; Hermann Thieme

Archive | 1998

Combination of active ingredients for inhibiting or controlling ammonia nitrification in arable topsoil and subsoil

Margrit Grabarse; Sieghard Lang; Hans-Jürgen Michel; Hartmut Wozniak

Archive | 1993

Combinations of active substances for preventing or regulating the nitrification of ammonium nitrogen in arable grounds and substrates

Hans-Jürgen Michel; Sieghard Lang; Hans-Joachim Hartbrich; Margit Grabarse; Heinz Böhland; Klaus Möckel; Hermann Thieme

Archive | 1995

Combinations of Active Substances for Inhibiting or Regulating Nitrification of Ammoniacal Nitrogen in Arable Lands or Substrates

Margrit Grabarse; Sieghard Lang; Hans-Jürgen Michel; Hartmut Wozniak

Archive | 1992

Substd. l-guanyl-pyrazole base or acid adduct prodn. in high yield - from pyrazole or acid adduct, acid and aq. cyanamide soln. using environmentally friendly solvent, useful as nitrification inhibitor

Hans-Juergen Michel; Sieghard Lang; Margit Grabarse; Bernd Lemnitzer; Hermann Thieme

Archives of Phytopathology and Plant Protection | 1981

Quantitative Struktur-Wirkungs-Untersuchungen an substituierten β-Chlorethyl-benzylsulfonen mit pflanzen wachstumsregulatorischen Eigenschaften

Hans-Jürgen Michel; Günter Schwarz; Dipl.-Biol. Carla Schütz; Ralf Kleiner; Sieghard Lang; Alfred Jumar; Manfred Klepel; Manfred Heinze

Archive | 1994

Active ingredient combinations for inhibiting or regulating the nitrification

Margit Grabarse; Sieghard Lang; Hans-Juergen Michel; Hartmut Wozniak

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Collaboration

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Hartmut Wozniak

Wittenberg University

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Hans-Jürgen Michel

Wittenberg University

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Margit Grabarse

Wittenberg University

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Hans-Joachim Hartbrich

Wittenberg University

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Hans-Juergen Michel

Wittenberg University

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Margrit Grabarse

Wittenberg University

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Hermann Thieme

Wittenberg University

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Hans Juergen Michel

Wittenberg University

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Heinz Böhland

Wittenberg University

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Klaus Möckel

Wittenberg University

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