Literaturrecherche

Literatur Seidel K, Kayser M, Müller J, Isselstein J (2009) The effect of grassland renovation on soil mineral nitrogen and on nitrate leaching during winter. J Plant Nutr Soil Sci 172(4):512-519, DOI:10.1002/jpln.200800217

Literatur Guckland A, Jacob M, Flessa H, Thomas FM, Leuschner C (2009) Acidity, nutrient stocks, and organic-matter content in soils of a temperate deciduous forest with different abundance of European beech (Fagus sylvatica L.). J Plant Nutr Soil Sci 172(4):500-511, DOI:10.1002/jpln.200800072