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AMS Bulk Density Soil Sampling Kit: Measure the bulk density of your soil accurately

Everything you need to take a proper soil sample for measuring the density or your soil is in the AMS Bulk Density Soil Sampling Kit; all in handy, sturdy carrying cases.

Bulk density is an indicator of soil compaction and soil health. It is the weight of soil for a given volume. In general, the greater the density, the less pore space for water movement, root growth and penetration, and seedling germination.

If your soil is too compacted, it will also affect plant nutrient availability and soil micro-organism activity, which influence key soil processes and productivity.

Bulk density is usually expressed in megagrams per cubic metre (Mg/m3) or grams per centimetre (g/cm3).

Bulk density (g/cm3) = Dry soil weight (g) / Soil volume (cm3)

An accurate determination of bulk density starts with a proper sampling technique to ensure that the sample collected represents the soil’s natural condition.

The AMS Bulk Density Soil Sampling kit comes with everything necessary to take accurate interval specific core samples to a depth of 0,9 m (3 ft). The kit is ideal for sampling the soil surface, in auger holes or in profile pits.

The Soil Sample Rings found in this kit are made from .062 w stainless steel tubing (SST). These SST sample rings are ideal for laboratory studies and for undisturbed core samples. The volume of each SST ring is 90,59 cubic centimetres. From this known volume and the weight of the sample liner, you will be able to calculate the bulk density of the soil sample.

It is always better to take a few samples to get an overview of the condition of your soil.

Exclusive features of the kit

Standard AMS Core samplers have a 2,54+ cm (1 inch+) gap between the tip of the core sampler and where the sample liner internal shelf begins. The sampler included in this kit has a much shorter (0,9 cm) gap which provides a more representative core and reduces compaction as the soil enters the sampler.

The Core Sampler Cap has a built-in waste barrel which provides a full 5 cm (2 inches) of relief. This helps eliminate compaction from overdriving the sampler. It also eliminates the need to load multiple rings inside the sampler, which can cause sample blow-by and skew sample calculations.

Operation and sample procedure:

•Unscrew the cap of the sampler, load a sample ring inside the sampler, and screw on the top cap with built-in waste barrel.

•Avoid spots that have rocks.

•Attach the 61 cm extension rod for ergonomic purposes.

•Attach either your hammerable cross handle or your compact slide hammer, depending on which kit you have.

•If you are taking a surface sample; drive the sampler approximately 10 cm into the soil. There is no need to worry about compaction with the built-in waste barrel cap. If you are sampling at the bottom of a pre-augered hole, always use the provided planer auger in the kit to remove loose soil and slough from the bottom of the augered hole. The flat, slotted design of the planer auger will pick up the excess soil and provide a flat sample surface.

•Always attempt to pull the sampler out of the soil gently to avoid agitation to the soil core. If the core sampler cannot be removed from the soil using your own strength, use the AMS Mini-Removal Jack to extract the sampler smoothly and easily.

•After pulling the sampler from the ground, scrape the soil cleanly off the bottom of the core tip with a knife or spatula.

•Carefully unscrew and remove the top cap of the sampler.

•Use a wooden dowel to gingerly slide your liner out the top of the sample core barrel.

•Cleanly cut your sample, top and bottom, with a knife or spatula to separate the excess soil from your sample ring.

•If you intend to bake the sample inside the ring, firmly press on end caps on both ends of the sampler for easy transport back to the lab.

Otherwise simply discard the soil from inside the ring into your  sample bag. The samples can be used for testing moisture content, water permeability, weight by volume, density, soil profiling or chemical analysis. The soil core sampler cup cap in this kit is equipped with a 1,6 cm (5/8”) NC male threaded connection, so it can be connected to extension rods, the hammer head cross handle, or the compact slide hammer attachment.

The kit includes a core sampler cup, core sampler cap, hammer head cross handle or compact slide hammer attachment, an open face auger, a regular soil bucket auger, a planer auger, extension rod, rubber coated cross handle, 25 stainless steel rings with their own aluminium carrying case with foam inserts, 50 plastic end caps for the rings, two adjustable wrenches, an auger cleanout tool, nylon cleaning brush, impact absorbing hammer, and a sturdy AMS deluxe carrying case with handles and wheels for added portability.

Order your AMS Bulk Density Soil Sampling Kit online at www.ams-samplers.com or e-mail ams@ams-samplers.com.

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