Abstract
The dynamics of soil organic matter is evaluated in long-term experiments under different fertilization regimes on Calcareous and Common chernozem. Cropping for 50 years without fertilizer lowered the humus content of Calcareous chernozem by 15–19 % and of Common chernozem by 10–14 %. Combined organic and mineral fertilization had the most favourable effect on humus content. Regular application of 12–14 t/ha of farmyard manure or 12 t/ha of manure + N60–90P60 to the crop rotation maintains soil fertility and promotes high fertilizer-use efficiency by the crops. Mineral fertilizer does not prevent the decomposition of humus but optimum use significantly increases crop yields.
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Notes
- 1.
Calcic chernozem in the World reference base for soil resources 2006.
- 2.
Haplic chernozem in WRB.
- 3.
1 centner = 100 kg.
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© 2014 Springer Science+Business Media Dordrecht
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Indoitu, D.M., Indoitu, D. (2014). Humus Dynamics and Efficiency of Crop Rotations on Calcareous and Common Chernozem. In: Dent, D. (eds) Soil as World Heritage. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-6187-2_27
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DOI: https://doi.org/10.1007/978-94-007-6187-2_27
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