# Colorado Agriscience Curriculum Section Plant _amp; Soil Science Unit by yurtgc548

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```									Section: Plant & Soil Science

Unit: Soil Management

Lesson Title: Soil Surveys and Land Capability
Classification

1
Soil Map of McClave

School

2
Legend

3
Index to Map Sheets

4
Map sheet #54 T21 S, R 48 W.

5
Soil
Association
Map

6
Factors for Land Capability Classes
I-VIII
• Rooting Depth
• Surface Soil Texture
• Maximum coarse fragments less than 3
inches
• Maximum coarse fragments greater than 3
inches
• Maximum slope percentage
• Climate
7
Capability
Classes
Tables

8
Legal Land Descriptions and Units of Area
Lab

9
10
Numbering
of sections
1-36

11
Quarters   NW 1/4   NE 1/4
of
Section
One
SW 1/4    SE 1/4

12
What quarter does the “x” represent?
What section is it in?

X

13
SW ¼ of Section 19

19
X

14
19
X

SW1/4, of Section 19, T21S, R52W, Bent
15

A quarter section has 160 acres in it.

1. How many acres are in a section?
a. 160 x 4 = 640 acres in a section

2. How many sections are in a township?
b. 36 sections in a township

3. Using #1 and #2 how many acres are in a
township?
c. 36 x 640= 23040 acres in a township      16

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