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Influence of Humus Forming Materials of Different Nitrogen-carbon Ratios on Bacterial Activities
Alvin Romaine Lamb
Arthur Wayland Dox
Bernard Wernick Hammer
Leslie Alva Kenoyer
Percy Edgar Brown
Ralph Sydney Potter
A. R. Gwinn
Franklin Elmer Allison
G. A. Minges
Robert Shirley Snyder
D. E. Bailey
G. P. Plaisance
Harlan Woodbridge Johnson
出版
Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts
, 1916
URL
http://books.google.com.hk/books?id=UMJQAQAAMAAJ&hl=&source=gbs_api