2000 District 7 Rural Soils Test

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2000 District 7 Rural Soils Test

True/False

Indicate whether the sentence or statement is true or false.

1.

A soil profile is a cross section of the soil from the surface down to the parent material.

2.

There are more than 400 different series of contrasting kinds of soil in Ohio.

3.

The subsoil layer is called the C-horizon.

4.

Mottling is an indicator of the organic matter content of the soil.

5.

The slope of the land does not influence land development.

6.

Moderate erosion has a plow layer or upper 7 inches that is original topsoil mixed with 25-75% subsoil.

7.

Dense glacial till is not penetrated by roots except along occasional vertical planes of weakness.

8.

A soil is considered deep if it is 32 inches or more to a root-restrictive layer.

9.

Capability Class III land is considered good land with limitations that are easy to overcome.

10.

Management practices that overcome soil limitations on a site do not change the land class.

11.

A grass waterway should be constructed in places where runoff water flows quickly enough in drainageways to cause gully erosion.

12.

A cobble is a rounded or partly rounded fragment of rock that is 3 to 10 inches in diameter.

13.

Structureless soil is either single grain or massive.

14.

Row crops should not be grown on Class IV land.

15.

Nearly level land in Capability Classes II and III Soils, when drained, can be row cropped intensivley.

True/False Indicate whether the sentence or statement is true or false.
	1.	A soil profile is a cross section of the soil from the surface down to the parent material.
	2.	There are more than 400 different series of contrasting kinds of soil in Ohio.
	3.	The subsoil layer is called the C-horizon.
	4.	Mottling is an indicator of the organic matter content of the soil.
	5.	The slope of the land does not influence land development.
	6.	Moderate erosion has a plow layer or upper 7 inches that is original topsoil mixed with 25-75% subsoil.
	7.	Dense glacial till is not penetrated by roots except along occasional vertical planes of weakness.
	8.	A soil is considered deep if it is 32 inches or more to a root-restrictive layer.
	9.	Capability Class III land is considered good land with limitations that are easy to overcome.
	10.	Management practices that overcome soil limitations on a site do not change the land class.
	11.	A grass waterway should be constructed in places where runoff water flows quickly enough in drainageways to cause gully erosion.
	12.	A cobble is a rounded or partly rounded fragment of rock that is 3 to 10 inches in diameter.
	13.	Structureless soil is either single grain or massive.
	14.	Row crops should not be grown on Class IV land.
	15.	Nearly level land in Capability Classes II and III Soils, when drained, can be row cropped intensivley.