Soil sample* preparation:
- air dry the samples in paper bags
- run each sample through a 2mm sieve to remove rocks, plant root fragments, etc
- ensure each sample bag is labeled with the date of collection, collector, site, block, and plot. then follow instructions below to ship to U of M.
* for sampling instructions see Core Sampling Methodology.
Soil shipping to the University of Minnesota:
Please follow these instructions exactly. Our permit is very specific about how soils should be shipped and handled.
- Must be shipped by a bonded carrier (i.e. UPS or FedEx) to exactly this address:
- Soil must be shipped in a "securely closed, watertight container (primary container) which should be enclosed in a second durable watertight container (secondary container)". Please pay close attention to these guidelines! Securely closed zip-top bags are acceptable watertight containers. Double-check that individual samples are completely labeled with site, block, plot, and date of collection.
- Attach a PPQ form 550 [email to request] to the *exterior* of each shipment box.
- Include a copy of the soil permit [email to request] *inside* each shipment box.
- The *outside* of the box should be labeled “contents: USDA regulated soil samples”
- If you have records for the shipment (weights, general composition), please include those as well.
- Upon shipment, please notify Anita Porath-Krause (email@example.com) of the expected arrival date of the soils, as well as any other necessary information about the shipment.