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                    "text": "SMS",
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                    "text": "Price",
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                    "text": "Capacitance",
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                    "text": "Not only avoids corrosion of the probe but also gives a better reading of the moisture content of the soil as opposed to using resistive SMS\\nSince the contacts (the plus plate and the minus plate of the capacitor) are not exposed to the soil, there is no corrosion of the sensor itself\\nResponse time is very fast\\nRemote access available\\nVery accurate after calibration\\nCan be used in moderate saline soils",
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                    "text": "Small sensing area\\nAffected by soil conditions - high salinity, clay content, and soil temperature\\nSite/soil specific calibration preferred",
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                    "text": "$10 - $350 per sensor\\n$500 -$2,500 for data logger",
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                    "text": "TDR",
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                    "text": "Can be used without calibration to specific soils; however, it reduces accuracy\\nNot easily influenced by moderate saline soil conditions until the signal disappears\\nCan remain in soil through winter. Continuous measurements can be collected with data logger\\nAccurate with soil-specific calibration (2 - 3% error)\\nEasily expanded by multiplexing\\nWide variety of probe configurations\\nMinimal soil disturbance",
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                    "text": "Need for good contact between sensor and soil\\nSmall sensing area (2.4-inch diameter)\\nMight have limited applicability in highly saline or heavy clay soils\\nCalibration is needed for soils with tightly held water\\nTakes time to install because you must dig a trench rather than a hole\\nUses a lot of power (large rechargeable batteries)\\nSoil-specific calibration required for soils having large amounts of bound water (i.e., those with high organic matter content)",
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                    "text": "$250 - $350 per sensor\\n$1,000 - $3,500 for data logger",
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