Parent Materials
Landforms
Drainage
Ag Rules
Homesite
100

This parent material is the most common

What is till?

100

This landform has more than 2% slope and is sand over sand?

What is Dune?

100

From 10-18 and 18-30 all is brown 

What is well drained?

100

Prime Farmland?

O-6%, ms-cl sub, >20” to csg, not a floodplain

100

Suitable for a homesite?

Always yes unless floodplain or filled depression

200

This parent material is weak and near water?

What is alluvium.

200

This landform has till and is convex?

What is upland swell?

200

From 10-18 to 18-30 it is dark?

What is poorly?

200

Cropping Systems

Timber stand 

Perm Pasture

Crop Rotation

Always yes

<25% slope

<18% slope

200

Is the soil suitable for a basement?

<12% slope, well drained 

300

This parent material is weak and has to have greater than 20 inches of dark?

What is filled depression. 

300

This landform is near water?

What is a floodplain?

300

The slope is 3-6% with mottles at 13 inches?

What is somewhat poorly?

300

Tillage Practices

No-till

Moldboard or chisel plow

Always yes unless >6 w/ clay surface

< 2% slope w P-Swp drained and m-mc surface

300

Manage soil reaction for acid loving shrubs

Manage soil reaction for lawns

5.7 - 7.9

6.0 - 7.5

400

This parent material has S/MS over S textures?

What is eolian sand.

400

This landform is usually found at the base of a hill?

What is a filled depression?

400

The slope is 13-18% with mottles at 39 inches?

What is well drained?

400

Phosphorus Pollution Potential

High

Medium

Low

>12% sl

7-12% or 3-6% w/M-Mcl Surface

All others

400

Subsurface trench, gravity flow

Subsurface trench, flood dose

Subsurface trench, pressure dis system

ModS-Medium <12% slope, W drained, no ll

ModC-C sub <12% slope, W drained, no ll

S sub. <12% slope, W drained, and no ll

500

This parent material was formed by melting glaciers and has a course layer under a fine?

What is an outwash?

500

This landform has a layer of stratification?

What is an outwash 

500

There is 17 inches of dark and the mottles start at 21 inches?

What is somewhat poorly?

500

Nitrogen Rules 

High

Medium

Low


Black, p-swp drained, M-Mcl surface and sub, no ll

<12% ms-cl surface and sub, >20” to ll

All others

500

Elevated Sand Mound

Elev Sand mound and subsurface drain

Drip dis & secondary treatment

<6%, W-MW drained and >20” to ll

<6% Swp-P drained and <20” to ll

<25% W drained