1991 District 7 Rural Soils Test

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1991 District 7 Rural Soils Test

True/False

Indicate whether the sentence or statement is true or false.

1.

Contour strips should be used on land with 6-18 percent slope.

2.

Surface drainage is needed if the air and water movement is moderately poor.

3.

A diversion channel should be constructed to prevent erosion on hillsides.

4.

Land should be used for woodland or wildlife if it is swampy or frequently flooded.

5.

Use tile drainage on land with somewhat poorly drained soils.

6.

Contouring is needed on land with 2-6 percent slopes.

7.

A sod waterway is needed to prevent sheet erosion.

8.

Land with 18 percent plus slope should be used for pasture.

9.

Continuous row cropping can be used on class one and two land.

10.

No-till with crop residue should be used on class six land.

11.

Frequent flooding occurs on land class five.

12.

Class three may be row cropped moderately intensive.

13.

Plant grasses and legumes on class six land.

14.

Soils with fine texture are not difficult to drain.

15.

A hardpan is an example of a restrictive layer.

16.

Conservation tillage should be used on class one land.

17.

The plow layer is the top seven inches.

18.

Percent slope is defined as feet of drop or rise in 100 feet.

19.

Silt is the smallest soil particle.

20.

A soil profile is a breakdown of the soil particles in a given sample.

21.

Erosion will occur on land with 1 percent slope.

22.

A fragipan is a hard dense layer.

23.

Soil tilth refers to its organic content.

24.

Organic matter lightens the color of the topsoil.

25.

When tile drainage is installed on class two land by drainage, the land class changes to class one.

True/False Indicate whether the sentence or statement is true or false.
	1.	Contour strips should be used on land with 6-18 percent slope.
	2.	Surface drainage is needed if the air and water movement is moderately poor.
	3.	A diversion channel should be constructed to prevent erosion on hillsides.
	4.	Land should be used for woodland or wildlife if it is swampy or frequently flooded.
	5.	Use tile drainage on land with somewhat poorly drained soils.
	6.	Contouring is needed on land with 2-6 percent slopes.
	7.	A sod waterway is needed to prevent sheet erosion.
	8.	Land with 18 percent plus slope should be used for pasture.
	9.	Continuous row cropping can be used on class one and two land.
	10.	No-till with crop residue should be used on class six land.
	11.	Frequent flooding occurs on land class five.
	12.	Class three may be row cropped moderately intensive.
	13.	Plant grasses and legumes on class six land.
	14.	Soils with fine texture are not difficult to drain.
	15.	A hardpan is an example of a restrictive layer.
	16.	Conservation tillage should be used on class one land.
	17.	The plow layer is the top seven inches.
	18.	Percent slope is defined as feet of drop or rise in 100 feet.
	19.	Silt is the smallest soil particle.
	20.	A soil profile is a breakdown of the soil particles in a given sample.
	21.	Erosion will occur on land with 1 percent slope.
	22.	A fragipan is a hard dense layer.
	23.	Soil tilth refers to its organic content.
	24.	Organic matter lightens the color of the topsoil.
	25.	When tile drainage is installed on class two land by drainage, the land class changes to class one.