A vertical section exposing a soil represents its
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Soil Profile
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The soil at the top of the cross -section is usually dark, while the soil below seems lighter. A soil profile is a cross- section of the soil taken vertically.
Explanation: In nutrient management, the soil profile is a significant instrument. We can learn a lot about soil fertility by looking at a soil profile. The profile of the soil changes as the soil weathers and/or organic matter decomposes. A light-colored layer in the subsurface soil of a heavily weathered, infertile soil, for example, frequently includes nutrients that have leached away. A highly productive soil, on the other hand, frequently has a deep surface layer with significant levels of organic matter. We can begin to estimate how a soil will function under various nutrient management circumstances using cues offered by the soil profile.