Literaturrecherche

Literatur Weigel H-J (2004) Air pollutants : interactions with elevated carbon dioxide. In: Encyclopedia of Plant and Crop Science. New York; Basel; Hong Kong: Dekker, pp 17-19

Literatur Schnug E, Haneklaus S, Fleckenstein J (1998) Factors affecting the determination of available micro nutrient concentrations in soils using Coca Cola as extractant. Comm Soil Sci Plant Anal 29(1998)11/14:

Literatur Haneklaus S, Paulsen HM, Schröder D, Leopoldt L, Schnug E (1998) Self surveying - a strategy for efficient mapping of the spatial variability of time constant soil parameters. Comm Soil Sci Plant Anal 29(1998)11/14:

Literatur Schnug E, Knudsen L, Paulsen HM, Haneklaus S (1998) Relationship between potassium and sodium in sugar beets. Comm Soil Sci Plant Anal 29(1998)11/14: