Republic County Soil Data
Republic County, Kansas
USDA SSURGO / PHZMAvg pH
6.6
Texture
Silt Loam
Drainage
N/A
Organic Matter
2.3%
Hydrologic Group
N/A
Data Story
About Soil in Republic County, Kansas
Republic County’s Prime pH Balance
Republic County features an average soil pH of 6.63, which is very close to the ideal national median of 6.5. This sits slightly below the Kansas average of 6.80, creating a versatile environment for a wide array of vegetation. This balance facilitates optimal nutrient availability for both crops and native plants.
Heavy Silt and Clay Mix
The soil composition is 54.6% silt and 23.9% clay, with sand making up only 21.2%. This high concentration of fine particles creates a dense, nutrient-rich profile that can support intensive agriculture. It provides a stable structure that resists erosion better than sandier counties.
Outstanding Fertility and Score
This county boasts an impressive soil score of 67.3, far exceeding the state average of 55.4. This is backed by 2.25% organic matter and a high available water capacity of 0.193 in/in. These factors make it some of the most naturally productive land in the entire state.
Strong Hydrological Potential
While official drainage classes are not listed, the high silt and clay content indicates excellent water retention. The soil score suggests that the landscape manages water effectively for crop use. Potential builders should be aware that the high clay content may affect soil expansion and contraction.
Lush Gardening in Zone 6a
Located in Zone 6a, Republic County is a gardener's paradise due to its high soil score and organic matter. This soil is perfect for high-yielding vegetable gardens and traditional Midwestern crops like corn and soybeans. You can expect robust growth with fewer amendments than neighboring counties.
Soil Composition
Soil pH
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: Silt Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Soil Amendment Products
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Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Republic County have?
Republic County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 21% sand, 55% silt, and 24% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Republic County's soil acidic or alkaline?
Republic 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 Republic County?
Drainage class data is not currently available for Republic County.
What crops or plants grow well in Republic County's soil?
Based on Republic County's Silt 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 Republic County?
The dominant USDA soil order for Republic County is not currently available in our dataset.
Soil & Planting Advisory: Republic County
Soil Verdict
Republic County is in USDA hardiness zone 6a, a moderate climate zone. where winter lows can reach -10°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
Republic County closely matches the Kansas average hardiness conditions.
Planning your lawn? View lawn care data for Republic County on LawnByCounty.com →
Other Counties in Kansas
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.