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A Comparison of the Calcium Content of Some Virgin and Cultivated Soils of Kentucky by an Improved Method for Estimation of this Element
Edwin Stanton Good
Garnet Wolsey Forster
Henry Ernest Curtis
J. D. Turner
James Spencer McHargue
Levi Jackson Horlacher
Oliver March Shedd
Walter Sewell Anderson
Alfred Meredith Peter
Eugene La Verne Jackson
R. H. Ridgell
Harry R. Allen
Howell Davis Spears
出版
Kentucky Agricultural Experiment Station, University of Kentucky
, 1921
URL
http://books.google.com.hk/books?id=jLBuAQAACAAJ&hl=&source=gbs_api