Skip to main content

Home/ MN Social Studies/ Group items tagged history farm

Rss Feed Group items tagged

Maleah Pedersen

http://www.rainbowplantfood.com/agronomics/efu/history.pdf - 0 views

  •  
    A historical perspective of fertilizer 
Maleah Pedersen

A History of American Agriculture: Farm Machinery & Technology - 0 views

  •  
    This is a timeline of American Agriculture.  Notice the amount of fertilizer being used, and how it changes.  It also shows the time it takes to grow a bushel of corn.  
1 - 2 of 2
Showing 20 items per page