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2. Soil test - Wikipedia

   en.wikipedia.org/wiki/Soil_test

   In agriculture, a soil test commonly refers to the analysis of a soil sample to determine nutrient content, composition, and other characteristics such as the acidity or pH level. A soil test can determine fertility , or the expected growth potential of the soil which indicates nutrient deficiencies, potential toxicities from excessive ...

3. What's the big deal about soil testing? It leads to ... - AOL

   www.aol.com/whats-big-deal-soil-testing...

   If you have any questions in the meantime or would like to sample your soil, call us at 419-281-7645 or stop in and visit us at the office Monday-Friday 8 a.m.-4 p.m.

4. Geotechnical investigation - Wikipedia

   en.wikipedia.org/wiki/Geotechnical_investigation

   A soil sample recovered from a test boring using a split spoon sampler. Borings come in two main varieties: large diameter and small diameter. Large-diameter borings are rarely used because of safety concerns and expense but are sometimes used to allow a geologist or an engineer to visually and manually examine the soil and rock stratigraphy in-situ.

5. Proctor compaction test - Wikipedia

   en.wikipedia.org/wiki/Proctor_compaction_test

   Proctor compaction test. The Proctor compaction test is a laboratory method of experimentally determining the optimal moisture content at which a given soil type will become most dense and achieve its maximum dry density. The test is named in honor of Ralph Roscoe Proctor [de], who in 1933 showed that the dry density of a soil for a given ...

6. Ohio Environmental Protection Agency - Wikipedia

   en.wikipedia.org/wiki/Ohio_Environmental...

   The Ohio Environmental Protection Agency (Ohio EPA) is the administrative department of the Ohio state government [1] responsible for protecting the environment and public health by ensuring compliance with environmental laws. Those laws and related rules outline Ohio EPA's authority and what things the Agency can consider when making decisions ...

7. Atterberg limits - Wikipedia

   en.wikipedia.org/wiki/Atterberg_limits

   The Atterberg limits are a basic measure of the critical water contents of a fine-grained soil: its shrinkage limit, plastic limit, and liquid limit. Depending on its water content, soil may appear in one of four states: solid, semi-solid, plastic and liquid. In each state, the consistency and behavior of soil are different, and consequently so ...