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                    "text": "SMS",
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                    "text": "Price",
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                    "text": "FDR",
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                },
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                    "bbox": {
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                    "text": "Accurate with soil-specific calibration (1% error)\\nCan be used in saline soils\\nHigh resolution signal\\nCan be connected to conventional loggers\\nFlexibility in probe design",
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                    "text": "Calibration is necessary\\nSensitive to soil temperature\\nSmall sensing area (3.2-inch diameter)\\nNeed for good contact between FDR and soil\\nSensitive to air gaps\\nSensitive to clay soils",
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                    "text": "60 - 300 per sensor\\n500 - 3,500 for data logger\\n2,000 - 3,000 for access tube installation kit",
                    "attrs": {
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                        "col": 3,
                        "rowspan": 1,
                        "colspan": 1,
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                {
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                    "bbox": {
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                    "text": "ADR",
                    "attrs": {
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                        "rowspan": 1,
                        "colspan": 1,
                        "bbox_refit": true
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                },
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                    "id": "p8.1.10",
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                    "bbox": {
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                    "text": "Accurate with soil-specific calibration (1% error)\\nand without soil-specific calibration (5% error)\\nCan be used in high saline soils\\nMinimal soil disturbance\\nSoil temperature does not interfere with signal",
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                        "row": 2,
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                        "rowspan": 1,
                        "colspan": 1,
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                {
                    "id": "p8.1.11",
                    "order": 12,
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                    "bbox": {
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                    "text": "Calibration to a specific soil is recommended\\nVolume of measurement is relatively small ( ≈ 0.3 in ³)\\nSensitive to air gaps, stones, or water traveling through channels separate from soil matrix",
                    "attrs": {
                        "row": 2,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 1,
                        "bbox_refit": true
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                    "text": "200 - 350 per sensor\\n1,000 - 3,500 for data logger",
                    "attrs": {
                        "row": 2,
                        "col": 3,
                        "rowspan": 1,
                        "colspan": 1,
                        "bbox_refit": true
                    }
                },
                {
                    "id": "p8.1.13",
                    "order": 14,
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                    "bbox": {
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                    "text": "TDT",
                    "attrs": {
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                        "rowspan": 1,
                        "colspan": 1,
                        "bbox_refit": true
                    }
                },
                {
                    "id": "p8.1.14",
                    "order": 15,
                    "type": "table_cell",
                    "bbox": {
                        "l": 179.8505,
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                        "r": 298.1555,
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                    "text": "Accurate (2% error)\\nLarge sensing volume ( ≈ 30 in ³)\\nLow power consumption",
                    "attrs": {
                        "row": 3,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1,
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                    }
                },
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                    "text": "Sensitive to soil compaction\\nSoil disturbance during installation\\nReduced precision because the generated pulse is distorted during transmission\\nNeeds to be permanently installed in the field",
                    "attrs": {
                        "row": 3,
                        "col": 2,
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                    "text": "220 - 300 per sensor\\n1,000 - 3,500 for data logger",
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