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Agricultural Soil Probes

Agricultural Soil Probes

The AMS Step Probes and Soil Recovery Probes are used to obtain disturbed samples at or near the surface. AMS offers a variety of soil probes that allow farmers and researchers to quickly and easily collect shallow soil samples.


Below are the AMS probes that are most commonly used in the agricultural industry. The probes featured on below all utilize the 5/8'' threaded connection. Visit our connection types page for more information on the various connection types, and our soil probes page for additional soil probes.

  • Open End Soil Probes
    Open End Soil Probes
    Open End Soil Probes allow you to take shallow samples and are primarily used in agricultural applications.   The AMS open end soil probe collects a 1" diameter sample that is about 15" long. The probe is made of nickel-plated, 4130 chrome molybdenum steel. The slot in the cylinder is cut all the way through the end of the probe to facilitate emptying of the soil sample.   The open end soil probe includes the probe body and a comfortably-gripped cross handle.
  • Regular Soil Probes
    Regular Soil Probes
    AMS Regular Soil Probes feature a window slot in the cylinder of the probe for easy sample recovery.   These probes are used without a liner and are available in two diameters and three lengths. Unplated, or rust-resistant nickel-plated or stainless steel models are available. All AMS probes are made of a sturdy design that prevents the probe from bending or twisting out of shape. Regular soil probes also include a removable, corrosion-resistant 10" cross-handle with comfortable grips.   AMS also offers the Regular Soil Probe with a replaceable tip option.
  • Replaceable Tip Regular Soil Probe
    Replaceable Tip Regular Soil Probe
    The AMS Replaceable Tip Soil Probe is rugged, durable, and economical.   The replaceable tip probe comes with an AMS regular coring tip, but can also accommodate other AMS probe tips. It is made of a heavy 4130 alloy steel, chrome plated, and fitted with a removable, heat treated tip for durability and ease of replacement. The probes includes a 10" comfortably-gripped cross handle, and are compatible with AMS 5/8" Threaded Slide Hammers and extensions for deeper sampling in tough areas.   If using the replaceable tip soil probe for environmental sampling, be sure to decontaminate the probe body and tip between the collection of soil samples.
  • Regular Step Soil Probes
    Regular Step Soil Probes
    AMS Regular Step Soil Probes provide an easy way to recover shallow soil samples into a slotted probe body in one simple step.   This probe is similar to the AMS regular soil probe, but it comes with a built-in step that allows for additional pressure to help drive the sampler body into the ground. These nickel-plated, rust-resistant step probes are designed to be used without liners and are available in one-piece and two-piece models. Both models include the slotted probe body, a built in step, and a 10" comfortably gripped cross handle; the cross handles on the two-piece soil probe models are detachable with a 5/8" threaded connection.   Both the one and two-piece regular step soil probes are made of heavy-wall type 4130 chrome molybdenum steel, and have hardened tips. The samplers are 7/8" OD x 5/8" ID with a 12" slot. They cut a soil core that is about 12" long. The heavy duty material and sturdy design prevent the probe body from bending or twisting out of shape.   AMS also offers an adjustable footstep that can be attached to a regular soil probe as an alternative to these models with built-in steps.
  • Brown Moisture Probe
    Brown Moisture Probe
    The AMS Brown Moisture Probe is a modified tile probe used primarily by agricultureal scientists and farmers to survey soil to depths of about 3-ft for the purpose of determining the depth of soil moisture storage following irrigation.   The probe offers visual confirmation of soil moisture conditions, and this data is used to help determine crop yield goals, planting decisions, irrigation water and fertilizer application rates.   The brown moisture soil probe has a modified auger tip and depth markings a 1', 2', and 3' from the tip. The probe is pushed into the soil vertically by hand. It will easily penetrate saturated soils, but not dry soils. The resistance rises as soil moisture content falls. At the end of the push the soil moisture probe is withdrawn. A small soil sample will be trapped in the modified auger flights for visual confirmation of the soil's moisture condition. The probe is made from carbon steel and is 43" long with a built-in 10" comfortably gripped cross handle.