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  3. Soil Texture

Soil Texture

7 items
Tall graduated cylinder on a black laboratory bench, filled with brown cloudy liquid that is darker towards the bottom, with a wash bottle and taps behind.
Sand falls and clay waits Antonio Jordán
Series of three photos of a group of people in white lab coats posing in a laboratory, smiling and holding up small balls of moist soil in their hands.
Seven hours and a half making balls for soil texture determination by hand Antonio Jordán
Circle of muddy outstretched hands seen from above, each palm holding a small ball of moist brown soil, with white lab-coat sleeves and a tiled floor below.
Come on, let's play softball! Antonio Jordán
Group of people in white lab coats standing in a circle in a laboratory, smiling and holding out their palms smeared with brown soil and small soil balls.
Soil texture by hand Antonio Jordán
Diagram of a soil texture triangle in Spanish, coloured fields for clay, silt and sand classes, with yellow dashed lines showing how to read off a sample at 50 percent clay.
Soil texture triangle (in Spanish) Antonio Jordán
Chart of area to volume ratio against particle diameter: a curve plunging from very high values for clay and silt to near zero across the sand range, with the sphere formulas.
Specific surface of soil mineral particles Antonio Jordán
Dozens of small hand-rolled soil balls of different sizes laid out on white paper, in colours from pale grey and beige to orange-brown, reddish brown and dark grey.
Soil balls (soil texture by feel method) Antonio Jordán

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