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Soils -- Paraguay. : Geology and mineral resources of Paraguay - a reconnaissance / by Edwin B. Eckel; with sections on Igneous and metamorphic rocks, by Charles Milton and Edwin B. Eckel; [and] Soils, by Pedro Tirado Sulsona.
Soils -- Pennsylvania -- Williamsport Region. : Surficial geology and soils of the Elmira-Williamsport region, New York and Pennsylvania / by Charles S. Denny and Walter H. Lyford; with a section on Forest regions and great soil groups, by John C. Goodlett and Walter H. Lyford; prepared cooperatively by the Geological Survey and the Soil Conservation Service.
Soils -- Phosphorus content -- Iowa. : Concentrations, loads, and yields of select constituents from major tributaries of the Mississippi and Missouri Rivers in Iowa, water years 2004-2008 / by Jessica D. Garrett ; in cooperation with the Iowa Department of Natural Resources.
Soils -- Potassium content. : Improving potassium recommendations for agricultural crops / edited by T. Scott Murrell, Robert L. Mikkelsen, Gavin Sulewski, Robert Norton, Michael L. Thompson.
Soils, Potting -- See Potting soils Here are entered works on plant growing media for potted plants. Works on growing media which include both artificial media and natural soils are entered under Plant growing media. Works on growing media which do not contain natural soils are entered under Plant growing media, Artificial. Works on natural soils are entered under Soils.
Soils -- Quality -- United States -- Congresses. : Scientific background for soil monitoring on national forests and rangelands : workshop proceedings, April 29-30, 2008, Denver, Colorado / [compilers, Deborah Page-Dumroese, Daniel Neary, Carl Trettin].
Soils -- Research -- Developing countries. : Toward sustainability : soil and water research priorities for developing countries / Committee on International Soil and Water Research and Development, Water Science and Technology Board, Commission on Engineering and Technical Systems, Board on Science and Technology for International Development, Office of International Affairs, National Research Council.
Rice -- Soils. : Environmental pollution of paddy soils / Muhammad Zaffar Hashmi, Ajit Varma, editors.
Soils, Salts in -- Testing. : Guideline for Salinity Assessment, Mitigation and Adaptation Using Nuclear and Related Techniques / Mohammad ... [and others].
Soils, Salts in -- United States. : Diagnosis and improvement of saline and alkali soils / United States Salinity Laboratory Staff ; contributing authors, L.E. Allison ... [and others] ; L.A. Richards, editor.
Soils, Salts in -- West (U.S.) : Laboratory methods recommended for chemical analysis of mined-land spoils and overburden in western United States / F.M. Sandoval and J.F. Power.
Soils -- Sampling -- Evaluation. : Assessment of sampling error associated with collection and analysis of soil samples at a firing range contaminated with HMX / Thomas F. Jenkins ... [and others] ; prepared for U.S. Army Environment Center.
Soils -- Sampling -- Washington (State) -- Clark County. : Statistical analysis and areal trends of background concentrations of metals in soils of Clark County, Washington / by Kenneth C. Ames and Daniel B. Hawkins ; prepared in cooperation with Washington State Department of Ecology.
Soils -- Selenium content -- Montana. : Detailed study of selenium in soil, water, bottom sediment, and biota in the Sun River Irrigation Project, Freezout Lake Wildlife Management Area, and Benton Lake National Wildlife Refuge, west-central Montana, 1990-92 / by David A. Nimick [and three others].