Crop and soil pubs from the University of Alaska Extension HTML documents on a small number of subjects. Agriculture publications from the University of Illinois Ext. The page contains HTML files on a wide range of agriculture, forestry, pest problems and other topics. A number of HTML files deal with fertilizer, turf, water and water quality. Soil and crop publications from the University of Hawaii.
Several publications discuss various aspect of soil fertility.
Soil and fertility publications from Iowa State University PDF documents discuss several aspects for soils and fertilizer. Agriculture publications from the University of kentucky A lengthy list of PDF and HTML documents with all aspects of ag and hort combined in one long list. Research reports from the Kentucky Ag. A number of PDF files contain research reports that cover many agricultural topics. Agronomy publications from Clemson University General ag topics on main pages with links to crop and forage listings.