Dickson County Soil Data

Dickson County, Tennessee

Avg pH

5.5

Texture

Silt loam

Drainage

Moderately well drained

Organic Matter

3.4%

Hydrologic Group

C

Data Story

About Soil in Dickson County, Tennessee

Highly fertile Ultisols in Dickson

Dickson County features silt loam soils from the Ultisols order with a pH of 5.50. This acidity level is more favorable than the state average of 5.35 but still below the national median of 6.5.

Smooth silt loam with good balance

The soil is 56.9% silt and 18.5% clay, giving it a smooth texture that retains moisture. The 21.9% sand content provides enough aeration to make the soil relatively easy to cultivate.

Exceptional organic matter levels

With 3.35% organic matter, Dickson far exceeds the state average of 2.44% and the national 2.0% average. The available water capacity of 0.170 in/in matches the state average, making for very productive soil.

Steady moisture with moderate drainage

Classified as moderately well drained and hydrologic group C, the soil manages water effectively. It provides a consistent environment for root development without becoming waterlogged too quickly.

Ideal conditions for home orchards

The high organic matter in Dickson makes it one of the best counties for growing fruit trees and vegetables. Your garden will thrive in zone 7b with such a nutrient-rich foundation.

Soil Composition

Silt loam
Sand: 21.9%
Silt: 56.9%
Clay: 18.5%
Silt loam

Soil pH

5.5pH
5.49508608249432
Strongly AcidicSlightly AcidicNeutralSlightly AlkalineStrongly Alkaline
Ideal lawn range: 6.0 - 7.0

Soil Series

Detailed soil series data not yet available for this county.

Hydrologic Group

Group C — Moderate-High Runoff

Soils with slow infiltration rates, often with a layer that impedes downward water movement. Higher clay content restricts drainage.

Runoff potential:Moderate-High

Drainage Class

Moderately well drained

Water is removed somewhat slowly. May have a slowly permeable layer or seasonal water table.

Soil Profile

Dominant texture: Silt loam

O HorizonOrganic layer
0-2"
A HorizonTopsoil
2-10"
B HorizonSubsoil
10-30"
C HorizonParent material
30-60"
R HorizonBedrock
60"+

Typical soil profile. Actual depths vary by location.

Frequently Asked Questions

What type of soil does Dickson County have?

Dickson County's soil is classified as Silt loam. This indicates the relative proportions of sand, silt, and clay — 22% sand, 57% silt, and 18% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Dickson County's soil acidic or alkaline?

Dickson County's soil has a low pH of 5.5, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.

What is the drainage class for Dickson County?

Dickson County has a dominant drainage class of "Moderately well drained." Well-drained soils allow excess water to move through quickly, reducing waterlogging risk and supporting most field and garden crops.

What crops or plants grow well in Dickson County's soil?

Based on Dickson County's Silt loam texture, pH of 5.5, and Moderately well drained, the soil is well suited for acid-loving plants like blueberries and azaleas, row crops and vegetable gardens, most annual and perennial crops.

What USDA soil order is found in Dickson County?

Dickson County's dominant soil order is Ultisols. Ultisols are highly weathered, clay-rich soils common in humid regions. They are low in natural fertility and often require lime and fertilizer for agriculture.

Other Counties in Tennessee

Soil data sourced from USDA SSURGO via Soil Data Access. Data is informational only and should not be used as a substitute for on-site soil testing. Contact your local NRCS office for site-specific soil information.