Heike Knicker

Changes in surface reactivity and organic matter composition of clay subfractions with duration of fertilizer deprivation

M. Kleber, S. Zikeli, R. Jahn, 2004 .

Changes in soil microbial biomass, metabolic quotient, and organic matter turnover under Hieracium (H. pilosella L.)

S. Saggar, C. Hedley, P. McIntosh, 1999, Biology and Fertility of Soils.

Changes in soil organic matter composition are associated with forest encroachment into grassland with long‐term fire history

I. Kögel‐Knabner, C. Rumpel, M. Dignac, 2009 .

Organic matter characteristics and distribution in Ferralsol profiles of a climosequence in southern Brazil

I. Kögel‐Knabner, H. Knicker, E. Klamt, 2006 .

Improvement of 13C and 15N CPMAS NMR spectra of bulk soils, particle size fractions and organic material by treatment with 10% hydrofluoric acid

I. Kögel‐Knabner, P. Hatcher, H. Knicker, 1997 .