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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Caliche; a study of the so-called desert limestone of Arizona--were biological factors concerned in its deposition?

Griffin, Stuart W., 1890- January 1920 (has links)
No description available.
2

Soil Organic Matter

Fuller, W. H. 11 1900 (has links)
No description available.
3

Soil Properties Contributing to Citrus Chlorosis as Revealed by Seedling Tests

McGeorge, W. T. 09 1900 (has links)
This item was digitized as part of the Million Books Project led by Carnegie Mellon University and supported by grants from the National Science Foundation (NSF). Cornell University coordinated the participation of land-grant and agricultural libraries in providing historical agricultural information for the digitization project; the University of Arizona Libraries, the College of Agriculture and Life Sciences, and the Office of Arid Lands Studies collaborated in the selection and provision of material for the digitization project.

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