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- W2041445487 abstract "A field investigation was carried out to evaluate the spatial variability of physical indicators of soil quality of an agricultural field and to construct a physical soil quality index (SQ<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML id=M1><mml:mrow><mml:msub><mml:mrow><mml:mtext>I</mml:mtext></mml:mrow><mml:mrow><mml:mtext>P</mml:mtext></mml:mrow></mml:msub></mml:mrow></mml:math>) map. Surface soil samples were collected using<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML id=M2><mml:mn>10</mml:mn><mml:mi> </mml:mi><mml:mtext> m</mml:mtext><mml:mo>×</mml:mo><mml:mn>10 </mml:mn></mml:math>m grid from an Inceptisol on Ganges Tidal Floodplain of Bangladesh. Five physical soil quality indicators, soil texture, bulk density, porosity, saturated hydraulic conductivity (<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML id=M3><mml:mrow><mml:msub><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mrow><mml:mi>S</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>), and aggregate stability (measured as mean weight diameter, MWD) were determined. The spatial structures of sand, clay, and<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML id=M4><mml:mrow><mml:msub><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mrow><mml:mi>S</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>were moderate but the structure was strong for silt, bulk density, porosity, and MWD. Each of the physical soil quality indicators was transformed into 0 and 1 using threshold criteria which are required for crop production. The transformed indicators were the combined into SQ<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML id=M5><mml:mrow><mml:msub><mml:mrow><mml:mtext>I</mml:mtext></mml:mrow><mml:mrow><mml:mtext>P</mml:mtext></mml:mrow></mml:msub></mml:mrow></mml:math>. The kriged SQ<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML id=M6><mml:mrow><mml:msub><mml:mrow><mml:mtext>I</mml:mtext></mml:mrow><mml:mrow><mml:mtext>P</mml:mtext></mml:mrow></mml:msub></mml:mrow></mml:math>map showed that the agricultural field studied could be divided into two parts having “good physical quality” and “poor physical soil quality.”" @default.
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- W2041445487 date "2014-01-01" @default.
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- W2041445487 title "Spatial Variability of Physical Soil Quality Index of an Agricultural Field" @default.
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- W2041445487 doi "https://doi.org/10.1155/2014/379012" @default.
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