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

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

   In this vein, a soil test is like a blood test for the soil. Soil tests can be used for four purposes: maintaining proper soil fertility; guiding plant selection; diagnosing plant health issues ...

3. Soil pH - Wikipedia

   en.wikipedia.org/wiki/Soil_pH

   Soil pH is a key characteristic that can be used to make informative analysis both qualitative and quantitatively regarding soil characteristics. [ 1 ] pH is defined as the negative logarithm (base 10) of the activity of hydronium ions (H+ or, more precisely, H3O+aq) in a solution.

4. For healthy plants, test your garden's soil for pH level - AOL

   www.aol.com/lifestyle/healthy-plants-test-garden...

   For example, carnations require a pH range of 6.7-6.9; turfgrasses, 6.3-6.8; tomatoes, 6.2-6.8; rhododendrons and azaleas, 4.5-6; blueberries, 4.5-5.5. For healthy plants, test your garden's soil ...

5. Soil test - Wikipedia

   en.wikipedia.org/wiki/Soil_test

   In geotechnical engineering, a soil test can be used to determine the physical characteristics of a soil, such as its water content, void ratio or bulk density. Soil testing can also provide information related to the shear strength, rate of consolidation and permeability of the soil. The following is a non-exhaustive list of engineering soil ...

6. Your Herb Garden Needs Special Care in Winter—These ... - AOL

   www.aol.com/herb-garden-needs-special-care...

   "A proper soil test is worth its weight in gold," he says. "Macro and micro mineral ratios, organic matter content, and pH levels are of paramount importance. By balancing your soil now, plants ...

7. Soil quality - Wikipedia

   en.wikipedia.org/wiki/Soil_quality

   Soil quality reflects how well a soil performs the functions of maintaining biodiversity and productivity, partitioning water and solute flow, filtering and buffering, nutrient cycling, and providing support for plants and other structures. Soil management has a major impact on soil quality. Soil quality relates to soil functions.