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2. Soil test - Wikipedia

   en.wikipedia.org/wiki/Soil_test

   Soil testing is used to facilitate fertilizer composition and dosage selection for land employed in both agricultural and horticultural industries. Prepaid mail-in kits for soil and ground water testing are available to facilitate the packaging and delivery of samples to a laboratory.

3. Soil pH - Wikipedia

   en.wikipedia.org/wiki/Soil_pH

   Use of an inexpensive pH testing kit, where in a small sample of soil is mixed with indicator solution which changes colour according to the acidity. Use of litmus paper. A small sample of soil is mixed with distilled water, into which a strip of litmus paper is inserted. If the soil is acidic the paper turns red, if basic, blue.

4. Have you tested your garden soil? Here's what you should know

   www.aol.com/tested-garden-soil-heres-know...

   Soil testing is done by commercial testing laboratories and by university labs. Ohio State University Extension in Franklin County provides soil testing services for gardeners and farmers.

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

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

   The soil tests we offer test both the main macro and micronutrients. These nutrients include phosphorus, exchangeable potassium, calcium, magnesium and more. The tests also include soil pH ...

6. Base-cation saturation ratio - Wikipedia

   en.wikipedia.org/wiki/Base-cation_saturation_ratio

   Base-cation saturation ratio (BCSR) is a method of interpreting soil test results that is widely used in sustainable agriculture, supported by the National Sustainable Agriculture Information Service (ATTRA) [1] and claimed to be successfully in use on over a million acres (4,000 km 2) of farmland worldwide. The traditional method, as used by ...

7. Cone penetration test - Wikipedia

   en.wikipedia.org/wiki/Cone_penetration_test

   Symbol used in drawings. Simplified version of a cone penetrometer. The cone penetration or cone penetrometer test (CPT) is a method used to determine the geotechnical engineering properties of soils and delineating soil stratigraphy. It was initially developed in the 1950s at the Dutch Laboratory for Soil Mechanics in Delft to investigate soft ...