Journal article Open Access

Effect of Land-Use Management Systems on Coupled Hydraulic Mechanical Soil Processes Defining the Climate-Food-Energy-Water Nexus

Horn, Rainer


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    "description": "<p>Soils are the most critical life-supporting compartments of the biosphere. They provide<br>\nnumerous ecosystem services such as habitat for biodiversity, water and nutrients, as well as<br>\nproducing food, feed, fiber and energy. Soils undergo intense and irreversible changes due to<br>\na non-site adjusted land management and improper application of machinery and techniques<br>\nin its broadest sense. In combination with the growing population (until 2050 we will have<br>\napprox. 9 Billion people) the urgent need for a more reliable dataset of soil properties and soil<br>\nfunctions gains in importance in order to even prepare more reliable models for various<br>\nrequests. The mechanical strength &ndash; the precompression stress - as the result of geo-, pedoand<br>\nanthropogenic long-term processes - can be defined as the basis for quantifying the<br>\nrigidity boundary. It distinguishes between the recompression stress (i.e. elastic, rigid<br>\nproperties) and the virgin compression stress range where plastic deformation including<br>\nirreversible changes of properties and functions occur. The changes in the hydraulic or<br>\npneumatic functions like hydraulic or air conductivity, the pore size distribution primarily all<br>\noccur in the virgin compression stress range, The same is also true for redox reactions and the<br>\nbiological activity (respiration) in soils but also carbon sequestration potential is also linked<br>\nwith the precompression stress value. Thus, a more precise definition and following of sitespecific<br>\nfunctionality differences, which may exclude or concentrate certain land use or<br>\nmanagement forms are needed, in order to optimize yield, soil protection and a sustainable<br>\nland use management considering the limited site specific resilience at the same moment.</p>", 
    "language": "eng", 
    "title": "Effect of Land-Use Management Systems on Coupled Hydraulic Mechanical Soil Processes Defining the Climate-Food-Energy-Water Nexus", 
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    "journal": {
      "volume": "4", 
      "issue": "1", 
      "pages": "3 - 15", 
      "title": "Bulgarian Journal of Soil Science"
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    "keywords": [
      "stress/strain, stress distribution, precompression stress, coupled hydraulic and mechanical processes, ecological functions"
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    "publication_date": "2019-06-20", 
    "creators": [
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        "affiliation": "Institute for Plant Nutrition and Soil Science", 
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