One quick test can help you improve growing conditions and give your plants the best chance to thrive.

Add Yahoo as a preferred source to see more of our stories on Google. Person sifting through the soil near a plant - Seizavisuals/Getty Images If you have leggy or struggling plants, it's often a sign ...

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Soil pH or soil reaction is an indication of the acidity or alkalinity of soil and is measured in pH units. Soil pH is defined as the negative logarithm of the hydrogen ion concentration. The pH scale ...