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Get the best crop yield by measuring the extent and depth of subsurface compaction.

Spectrum Soil Sampler Probe. Draw uniform samples for use with your own onsite tests or to send to a lab. Model HC: overall length of 20.5" (50 cm), an 18" (46 cm) sample tube and an 8" (20 cm) wide handle.

Spectrum Soil Sampler Probe. Draw uniform samples for use with your own onsite tests or to send to a lab. Model LS: 3' (1 m) heavy-duty sampler with an 11" (28 cm) sampling tube, cut-out sleeve and foot step.

This pocket-sized soil thermometers is built tough with corrosive resistant stainless steel. It has an easy-to-read dial, measures from -40 to 160 F, and is accurate within +/- 1 degree.

This pocket-sized soil thermometer is built tough with corrosive resistant stainless steel. It has a dual-mode LCD updates in 1- or 15-second intervals, and measures from -9 to 160 F (-17 to 71 C) and has +/- 2 degree accuracy.

This pocket-sized soil thermometer is built tough with corrosive resistant stainless steel. It has a dual-mode LCD updates in 1- or 15-second intervals, and measures from -9 to 160 F (-17 to 71 C) and has +/- 2 degree accuracy.