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Is ridge cultivation sustainable? A case study from the Haean catchment, South Korea

Title data

Ruidisch, Marianne ; Arnhold, Sebastian ; Huwe, Bernd ; Bogner, Christina:
Is ridge cultivation sustainable? A case study from the Haean catchment, South Korea.
In: Applied and Environmental Soil Science. (2013) .
ISSN 1687-7675
DOI: https://doi.org/10.1155/2013/679467

Abstract in another language

Non-sustainable agricultural practices can alter the quality of soil and water. A sustainable soil management requires a detailed understanding of how tillage affects soil quality, erosion and leaching processes. Agricultural soils in the Haean catchment (South Korea) are susceptible to erosion by water during the monsoon. For years, erosion-induced losses have been compensated by spreading allochthonous sandy material on the fields. These anthropogenically modified soils are used for vegetable production, and crops are cultivated in ridges using plastic mulches. To evaluate whether the current practice of ridge cultivation is sustainable with regards to soil quality and soil and water conservation, we (i) analysed soil properties of topsoils and (ii) carried out dye tracer experiments. Our results show that the sandy topsoils have a very low soil organic matter content, a poor structure and lack soil-burrowers. The artificial layering induced by spreading sandy material supported lateral downhill water flow. Ridge tillage and plastic mulching strongly increased surface runoff and soil erosion. We conclude that for this region a comprehensive management plan, which aims at a long-term sustainable agriculture by protecting topsoils, increasing soil organic matter, minimizing runoff and soil erosion, is mandatory for the future.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER119610
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Ecological Modelling
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Soil Physics
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 22 Jul 2015 05:41
Last Modified: 22 Jul 2015 05:41
URI: https://eref.uni-bayreuth.de/id/eprint/16986