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Hamilton County Soil Data

Hamilton County, Nebraska

USDA SSURGO / PHZM

Avg pH

6.6

Texture

Loam

Drainage

N/A

Organic Matter

2.3%

Hydrologic Group

N/A

Data Story

About Soil in Hamilton County, Nebraska

Slightly Acidic High-Performance Soils

Hamilton County boasts an impressive soil score of 73.3, well above the Nebraska average of 58.9. Its average pH of 6.62 sits just above the national median of 6.5, creating a near-ideal environment for nutrient uptake. While specific taxonomic data is limited here, the chemical profile suggests a highly productive base.

A Silt-Dominant Structural Blend

The soil composition consists of 49.1% silt, 31.5% sand, and 19.4% clay. This balance provides a stable structure that resists compaction better than heavy clay soils. Although the dominant texture classification is unavailable in local records, this mix typically offers reliable workability for regional farmers.

Superior Water Retention for Crops

At 2.35%, organic matter exceeds the national average of 2.0% but falls short of the Nebraska state average of 3.32%. However, the available water capacity of 0.205 in/in is significantly higher than the state average of 0.172. This means the soil holds onto moisture longer during the heat of summer.

Navigating Limited Hydrologic Data

Official records currently lack specific drainage class and hydrologic group classifications for Hamilton County. Despite this data gap, the high overall soil score indicates a landscape that manages water effectively for agricultural use. Local observers typically find these fields responsive to modern irrigation and drainage management.

Abundant Potential in Zone 5b

Located in USDA hardiness zone 5b, this county is perfect for growing corn, soybeans, and hearty root vegetables. The high water capacity makes it an excellent spot for a home garden that can survive dry stretches. Start your planting in late spring to take full advantage of these rich, moisture-retaining soils.

Soil Composition

Loam
Sand: 31.5%
Silt: 49.1%
Clay: 19.4%
Loam

Soil pH

6.6pH
6.62475350100309
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

Hydrologic group data not available.

Drainage Class

Drainage class data not available.

Soil Profile

Dominant texture: 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.

Soil Amendment Products

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Frequently Asked Questions

What type of soil does Hamilton County have?

Hamilton County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 32% sand, 49% silt, and 19% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Hamilton County's soil acidic or alkaline?

Hamilton County's soil has a pH of 6.6, which is near neutral. This range is ideal for most garden plants and field crops.

What is the drainage class for Hamilton County?

Drainage class data is not currently available for Hamilton County.

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

Based on Hamilton County's Loam texture, pH of 6.6, and drainage class, the soil is well suited for vegetables, grains, and most field crops, row crops and vegetable gardens.

What USDA soil order is found in Hamilton County?

The dominant USDA soil order for Hamilton County is not currently available in our dataset.

Soil & Planting Advisory: Hamilton County

Soil Verdict

Hamilton County is in USDA hardiness zone 5b, a cold climate zone. where winter lows can reach -15°F. Freeze-thaw cycles are moderate; soil biology slows in winter but recovers reliably in spring, supporting a broad range of plants.

Planting Guidance

A wide plant palette is possible: deciduous trees, most shrubs, cool-season vegetables, and many perennials thrive here. Winter protection (mulch, burlap wraps) helps push the zone boundary for desired species. Always match plant selections to the specific microclimate of your property — low spots, slopes, and wind exposure can shift effective hardiness by half a zone.

Soil Implications

Moderate freeze-thaw cycles naturally aerate the soil but can also cause compaction in clay-heavy areas; annual core aeration is beneficial. Organic matter amendments decompose at a moderate pace — aim for 3-5% organic content for optimal fertility. When soil temperatures drop below freezing, microbial nitrogen cycling stops; spring fertilization is more effective than late-fall application.

Regional Context

Hamilton County closely matches the Nebraska average hardiness conditions.

Other Counties in Nebraska

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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.