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How can we maintain the fertility of our Colorado soils?
Headden, William P. (William Parker)
Colorado Agricultural Experiment Station.
1905
Agricultural Experiment Station of the Agricultural College of Colorado
Fort Collins, Colo.
Cover title. "March, 1905."
Soil fertility
Colorado
1 digital file (16 p. ; 1610 KB)
eng
Bulletin (Colorado Agricultural Experiment Station) ; 99
UCSU20/2.3/99/INTERNET
http://hdl.handle.net/10176/co:8829
706739504
2011-07-27T21:29:35.172Z