Zur Frage der Löslichkeit und Pflanzenverfügbarkeit von Phosphor in Düngemitteln

by Sylvia Kratz, Ewald Schnug
Published 2009-01-01

Kupfergehalte in Acker- und Grünlandböden und das Verhältnis dieser Gehalte zu den durch Pflanzenschutz ausgebrachten Kupfermengen

by Sylvia Kratz, Silvia Haneklaus, Ewald Schnug
Published 2009-04-01

Physical and Chemical Assessment of Agricultural Plant Residues from some farming systems for their sustainable utilisation.

by Njukeng Jetro Nkengafac, Sylvia Kratz, Ewald Schnug
Published 2019-04-01

Levels of Heavy Metals in Banana, Cocoa and Oil Palm Farming Systems in Cameroon

by Njukeng Jetro Nkengafac, Sylvia Kratz, Ewald Schnug
Published 2020-01-01

Physical and Chemical Assessment of Agricultural Plant Residues from some farming systems for their sustainable utilisation.

by Njukeng Jetro Nkengafac, Sylvia Kratz, Ewald Schnug
Published 2019-04-01

Abschätzung des Potentials erneuerbarer P-haltiger Rohstoffe in Deutschland zur Substitution rohphosphathaltiger Düngemittel

by Sylvia Kratz, Judith Schick, Raghad Shwiekh, Ewald Schnug
Published 2014-08-01

Investigations on the Identification of Long Term Input of Phosphorus from Organic Sources by Standard Soil P Analysis

by Raghad Shwiekh, Sylvia Kratz, Judith Schick, Ewald Schnug
Published 2015-02-01

Aspekte der Ökotoxikologie von Schwermetallen in der Harzregion – eine geführte Exkursion

by Wilfried H.O. Ernst, Friedhart Knolle, Sylvia Kratz, Ewald Schnug
Published 2009-07-01

Comparative investigation and inter-calibration of different soil P tests

by Raghad Shwiekh, Judith Schick, Sylvia Kratz, Daniel Rückamp, Ewald Schnug
Published 2015-02-01

Agronomic efficiency and heavy metal contamination of phosphorus (P) recycling products from old sewage sludge ash landfills

by Sylvia Kratz, Elke Bloem, János Papendorf, Judith Schick, Ewald Schnug, Peter Harborth
Published 2017-11-01

Investigations on the nutritional status of <em>Hevea brasiliensis</em> plantations in the humid forest zone of CameroonPart 1: Micronutrient status and distribution in soils

by Jetro Nkengafac Njukeng, Eugene Ejolle Ehabe, George Elambo Nkeng, Sylvia Kratz, Judith Schick, Ewald Schnug
Published 2013-10-01

Investigations on the nutritional status of <em>Hevea brasiliensis</em> plantations in the humid forest zone of CameroonPart 2: Establishment of macro nutrient norms

by Jetro Nkengafac Njukeng, Eugene Ejolle Ehabe, George Elambo Nkeng, Judith Schick, Sylvia Kratz, Ewald Schnug
Published 2013-10-01