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Nelson County Soil Data

Nelson County, North Dakota

USDA SSURGO / PHZM

Avg pH

7.3

Texture

Loam

Drainage

N/A

Organic Matter

5.8%

Hydrologic Group

N/A

Data Story

About Soil in Nelson County, North Dakota

Strong Alkaline Profile of Nelson

Nelson County soil is more alkaline than most, with a pH of 7.26 compared to the state average of 7.18. This sits significantly above the national median of 6.5, which influences local nutrient management strategies.

Sand-Forward for a Fast Start

The texture consists of 44.1% sand, 34.6% silt, and 19.3% clay. This sand-forward mix allows for excellent drainage and easier spring warming, helping the growing season get off to a fast start.

Exceptional Organic Nutrient Wealth

The county boasts an exceptional 5.77% organic matter, one of the highest in the state. Even with a water capacity of 0.185 in/in, this nutrient-dense soil is built for high agricultural productivity.

Well-Aerated Soils for Infrastructure

Detailed drainage classifications are not provided, but the 44.1% sand content points to a naturally well-aerated soil structure. This prevents roots from drowning during wet spring months and provides a solid base for local infrastructure.

Premier Spot for Backyard Gardens

Zone 4a allows for a variety of hardy crops, from barley to sunflowers. With such high organic content, Nelson County is a premier spot to start a nutrient-dense backyard vegetable garden.

Soil Composition

Loam
Sand: 44.1%
Silt: 34.6%
Clay: 19.3%
Loam

Soil pH

7.3pH
7.26301693975589
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 Nelson County have?

Nelson County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 44% sand, 35% silt, and 19% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Nelson County's soil acidic or alkaline?

Nelson County's soil has a pH of 7.3, which is near neutral. This range is ideal for most garden plants and field crops.

What is the drainage class for Nelson County?

Drainage class data is not currently available for Nelson County.

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

Based on Nelson County's Loam texture, pH of 7.3, and drainage class, the soil is well suited for drought-tolerant crops and native grasses, row crops and vegetable gardens.

What USDA soil order is found in Nelson County?

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

Soil & Planting Advisory: Nelson County

Soil Verdict

Nelson County is in USDA hardiness zone 4a, a cold climate zone. where winter lows can reach -30°F. Soils here experience deep freeze cycles that can disrupt structure, kill shallow roots, and slow microbial activity for months each year.

Planting Guidance

Focus on cold-hardy perennials, native grasses, and conifers. The short growing window favors plants with low heat requirements. With extreme winter lows, any marginally hardy plants need heavy mulch and wind protection. 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

Deep winter freezing can create soil heaving that pushes shallow-rooted plants out of the ground; add 3-4 inches of organic mulch each fall. Soil drainage is critical — frozen, waterlogged soil kills roots faster than cold alone. When soil temperatures drop below freezing, microbial nitrogen cycling stops; spring fertilization is more effective than late-fall application.

Regional Context

Nelson County closely matches the North Dakota average hardiness conditions.

Other Counties in North Dakota

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.