Colorado Agriscience Curriculum Section Plant _amp; Soil Science Unit

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Colorado Agriscience Curriculum Section Plant _amp; Soil Science Unit Powered By Docstoc
					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
           County, Colorado
                                    15
              Answers to Exercise #2

      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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posted:5/17/2013
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