Heitkamp F. Effects of fertilizer type and rate on partitioning of soil organic matter into pools of different stability: Diss. / Fachgebiet Umweltchemie, Fachbereich 11: Ökologische Agrarwissenschaften der Universität Kassel. - Kassel, 2010. - ix, 76 p. - Ref.: p.70-76.  Место хранения:   041 | Институт почвоведения и агрохимии CO РАН | Новосибирск

Оглавление / Contents

List of tables ................................................. II List of figures ............................................... III List of abbreviations .......................................... IV Summary ......................................................... V Zusammenfassung ............................................... VII 1 ntroduction .................................................. 1 1.1 Turnover of soil organic matter in ecosystems ........... 2 1.2 Division of SOM into compartments ....................... 3 1.3 Concepts of SOM stabilization ........................... 4 1.4 Methods for determination of pools or fractions ......... 5 1.5 Objectives .............................................. 9 2 Impact of fertilizer type and rate on carbon and nitrogen pools in a sandy Cambisol ................................... 12 2.1 Introduction ........................................... 13 2.2 Materials and methods .................................. 15 2.3 Results ................................................ 25 2.4 Discussion ............................................. 31 2.5 Conclusions ............................................ 38 3 Soil organic matter pools and crop yields as affected by the rate of farmyard manure and use of biodynamic preparations in a sandy Cambisol ............................ 39 3.1 Introduction ........................................... 40 3.2 Material & methods ..................................... 41 3.3 Results & discussion ................................... 46 3.4 Conclusions ............................................ 54 4 Effects of fertiliser type and rate on soil fractions of a sandy Cambisol - long-term and short-term dynamics ........ 55 4.1 Introduction ........................................... 56 4.2 Materials and methods .................................. 57 4.3 Results and discussion ................................. 61 4.4 Conclusions ............................................ 67 5 Conclusions ................................................. 68 6 References .................................................. 70