 | Hobart Pillsbury - 1927 - 766 páginas
...Ohio Experiment Station, during 1896-1901. From 1901 to 1903, he was associated with the Department of the Bureau of Soils in the United States Department of Agriculture; and he has since been professor of agriculture at New Hampshire State University, where he is now dean... | |
 | Ralph Barbour Deemer - 1928 - 672 páginas
...problem investigated by the author. ACKNOWLEDGEMENTS This work has been conducted in the laboratories of the Bureau of Soils in the United States Department of Agriculture. They furnished the means for the construction of the centrifuge and the author takes this opportunity... | |
 | Ralph Barbour Deemer - 1928 - 680 páginas
...problem investigated by the author. ACKNOWLEDGEMENTS This work has been conducted in the laboratories of the Bureau of Soils in the United States Department of Agriculture. They furnished the means for the construction of the centrifuge and the author takes this opportunity... | |
 | 1908 - 588 páginas
...noxious influence upon the other. In studying the general question of soil fertility, the laboratories of the Bureau of Soils in the United States Department of Agriculture have obtained some instructive evidence bearing upon this problem of plant excretions. The data obtained... | |
 | University of Chicago - 1905 - 490 páginas
...Common Life." Dr. Burton E. Livingston, of the Department of Botany, has been appointed to the staff of the Bureau of Soils in the United States Department of Agriculture, and will begin his new work at the close of the Winter Quarter. Professor Charles R. Barnes and Dr.... | |
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Chief of the Bureau of Soils in the United States Department of Agriculture... 
