Investigations into Soil Composition and Texture Using Infrared Spectroscopy (2–14 <svg style="vertical-align:-3.69pt;width:14.375px;" id="M1" height="14.8125" version="1.1" viewBox="0 0 14.375 14.8125" width="14.375" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,0,0,-.022,.062,10.15)"><path id="x1D741" d="M583 83l20 -12q-58 -103 -161 -103q-28 0 -42.5 17.5t-14.5 43.5q0 30 16 78l-3 1q-23 -44 -62 -77t-73 -33q-39 0 -55 27h-2l-15 -59l-13 -52l-11 -38q-15 -57 -31 -81h-103q24 41 48 138l122 517h113l-74 -317q-3 -12 -3 -23q1 -21 9.5 -29t30.5 -8q49 0 103 91
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<table>Comparison between the <svg height="15.0875" id="M102" style="vertical-align:-2.3205pt" version="1.1" viewbox="0 0 66.787498 15.0875" width="66.787498" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.017,0,0,-.017,48,12.138)"><path d="M300 -147l-18 -23q-106 71 -159 185.5t-53 254.5v1q0 139 53 252.5t159 186.5l18 -24q-74 -62 -115.5 -173.5t-41.5 -242.5q0 -130 41.5 -242.5t115.5 -174.5z" id="x28"></path></g><g transform="matrix(.017,0,0,-.017,53.882,12.138)"><path d="M387 375q0 -16 -17 -31t-29 -15q-9 0 -12 13q-13 74 -80 74q-36 0 -61 -24.5t-25 -56.5t24 -51.5t68 -19.5q33 0 47 2l2 -7l-32 -42q-20 2 -54 2q-45 0 -74 -21.5t-29 -60.5q0 -41 28 -65.5t73 -24.5q78 0 145 67l17 -23q-33 -47 -84.5 -75t-111.5 -28q-70 0 -114.5 35.5
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</svg> and USDA determined quartz% content with calculated linear (red) and power relation (green) models.</table>

Applied and Environmental Soil Science

fig14

Figure 14

Figure 14: Investigations into Soil Composition and Texture Using Infrared Spectroscopy (2–14 <svg style="vertical-align:-3.69pt;width:14.375px;" id="M1" height="14.8125" version="1.1" viewBox="0 0 14.375 14.8125" width="14.375" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,0,0,-.022,.062,10.15)"><path id="x1D741" d="M583 83l20 -12q-58 -103 -161 -103q-28 0 -42.5 17.5t-14.5 43.5q0 30 16 78l-3 1q-23 -44 -62 -77t-73 -33q-39 0 -55 27h-2l-15 -59l-13 -52l-11 -38q-15 -57 -31 -81h-103q24 41 48 138l122 517h113l-74 -317q-3 -12 -3 -23q1 -21 9.5 -29t30.5 -8q49 0 103 91
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Applied and Environmental Soil Science

Investigations into Soil Composition and Texture Using Infrared Spectroscopy (2–14 m)

Figure 14