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Topic: Pedology (soil study)


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  Soil - MSN Encarta
The organic materials are composed of debris from plants and from the decomposition of the many tiny life forms that inhabit the soil.
Soil science plays a key role in agriculture, helping farmers to select and support the crops on their land and to maintain fertile, healthy ground for planting.
Soils comprise a mixture of inorganic and organic components: minerals, air, water, and plant and animal material.
encarta.msn.com /encyclopedia_761576446/Soil.html   (928 words)

  
 SSM - Chapter One | NRCS Soils
Properties of soils no longer were based wholly on inferences from the nature of the rocks or from climate or other environmental factors, considered singly or collectively; rather, by going directly to the soil itself, the integrated expression of all these factors could be seen in the morphology of the soils.
During the 1930s, soil formation was explained in terms of loosely conceived processes, such as "podzolization," "laterization," and "calcification." These were presumed to be unique processes responsible for the observed common properties of the soils of a region (Jenny, 1946).
The basic objective of soil surveys is the same for all kinds of land, although the number of mapping units, their composition, and the detail of mapping vary with the complexity of the soil patterns and the specific needs of the users.
soils.usda.gov /technical/manual/contents/chapter1.html   (5282 words)

  
 Haute-Mentue catchment
The pedology of the Corbassière catchment is essentially represented by the class of brown soils, not very well developed and with different vertical profiles according to what the parent rock is altered sandstone or clayey moraine.
The brown soils are the equivalent of the FAO cambisoils (acid brown soils) and have intermediary position between the incipient soils (lithomorphic soils, rankers) and the more developed podzolic soils.
The soils have the same generally silty and sandy texture the difference consisting in the occurrence of a silty compact horizon for the soils with a morainic substratum.
hydram.epfl.ch /mentue/pages/Mentue_accueil_mapsnew_pedology.htm   (389 words)

  
 Virtual Karak Resources Project: Historical Study
Soil science has been involved in archaeological excavations for 50 to 60 years in the United States, but in the early years only soil chemistry was used to evaluate the impact of humans on the soil system.
Soils are defined as natural bodies on the earth’s surface with unique morphological characteristics resulting from past or present combinations of physical, chemical, and biological weathering processes.
Laboratory characterization of soils for archaeological interpretations is used to verify and supplement the field morphology of soil profiles.
www.vkrp.org /studies/environmental/soils-archaeology   (641 words)

  
 About Soil
Soil formation is an ongoing process that proceeds through the combined effects of five soil-forming factors: parent material, climate, living organisms, topography, and time.
Roughly 99 percent of the world's soils derive from mineral-based parent materials that are the result of weathering, the physical disintegration and chemical decomposition of exposed bedrock.
There are three main soil shapes: platelike, in which the aggregates are flat and mostly horizontal; prismlike, meaning greater in vertical than in horizontal dimension; and blocklike, roughly equal in horizontal and vertical dimensions and either angular or rounded.
www.the-human-race.com /pages/about_soil.htm   (4301 words)

  
 Current Research Highlights
A series of lab-scale and field-scale leaching experiments involving undisturbed soil monoliths and lysimeters were conducted to assess the effect of the mineralogical composition of soil colloids on their capacity to mediate the transport of heavy metals and herbicides in subsurface soil environments.
Studies are being conducted in typical karst basins to assess soil hydrology, deposition patterns, and karst basin stability.
Litter and soil samples (0-5cm depth, 5-20 cm depth) were collected in the summer and spring 2001-2002 and incubated in laboratory microcosms for the determination of biogeochemical processes including carbon and nitrogen storage, mineralization, denitrification, nitrification and inorganic N fluxes between the flooded soil-water column.
www.uky.edu /Ag/Agronomy/Department/pedology/research.htm   (5176 words)

  
 -logy Information
Craniology, the study of the characteristics of the skull
Geobiology, the study of the biosphere and its relations to the lithosphere and atmosphere.
Karyology, the study of karyotypes (a branch of cytology)
www.bookrags.com /wiki/-logy   (2614 words)

  
 Lecture 1
Soil is construction material and typically is the natural foundation that supports the man-made foundation of a building.
Soils may or may not be suitable for such uses as road beds, septic tank drain fields, dwellings with basements, or recreation facilities.
Pedology is the study of soil as a geologic entity.
jan.ucc.nau.edu /~doetqp-p/courses/env320/lec1/Lec1.html   (747 words)

  
 Soil Tester
Pedology (soil study) - Pedology (pědÇ’'lōgy), (from Russian: pedologiya, from the Greek pedon = soil, earth), is the study of soils and soil formation.
For eighty years, "The Nature soil tester and Properties of Soils" has delivered a complete, current, soil tester and reliable introduction to the study of soils in a manner that is both fascinating soil tester and intellectually satisfying.
Whether used as the core textbook for college courses introducing the fundamentals of soil science, or as a comprehensive reference on the professional soil scientist's bookshelf, the book is widely recognized as the authoritative source for all of the latest information related to this exciting field.
www.willick-eng.com /soiltester.html   (1298 words)

  
 Sabine Grunwald
When soil moisture is high, as in wet or humid climates, there is a net downward movement of water in the soil for most of the year, which usually results in greater leaching of soluble materials, sometimes out of the soil entirely, and the translocation of clay particles from upper to lower horizons.
Dark-colored soils of the semiarid, arid, subhumid, and humid grasslands
Thus, at the top of the slope, the soils tend to be freely drained with the water table at considerable depth, whereas the soils at the backslopes and footslopes are poorly drained, with the water table near or at the soil surface.
grunwald.ifas.ufl.edu /Nat_resources/soil_forming_factors/formation.htm   (4269 words)

  
 The Sofia Open Content Initiative - Physical Geography   (Site not responding. Last check: 2007-09-16)
Soil has an enormous effect on the ability of land to sustain vegetation (or crops for human consumption), and therefore is primarily responsible for the carrying capacity of land.
A pedon is the basic sampling unit in a soil survey and a polypedon is the soil unit used in preparing soil maps.
The soil horizons between the O and the R horizon are labeled alphabetically: A, B, C. Sometimes, after the A horizon, there is a layer of coarse sand, silt and minerals resistant to dissolving by water.
sofia.fhda.edu /gallery/geography/lessons/lesson11.html   (1779 words)

  
 Geography 303i Study Help Theme 4A
Second, soil is dynamic; it is always being produced by weathering of underlying materials and being eroded.
Fourth, the patterns of climate explored in Theme 2 are reflected in the pattern of soil and the pattern of vegetation and associated animal life.
Be able to distinguish between the nine soil orders (the most general level of soil classification), and briefly describe the climate conditions under which each develops and where it is located.
mccoy.lib.siu.edu /projects/geog303i/study4a.html   (987 words)

  
 Geology Summary
The study of the chemistry of rocks, minerals, and volcanic gases is known as geochemistry.
An illustrated depiction of a syncline and anticline commonly studied in Structural geology and Geomorphology.
These geologist study the rates of decay of certain radioactive elements in rocks to determine their age and time sequence of events in the history of the earth (Career in Geosciences 2).
www.bookrags.com /Geology   (7809 words)

  
 Predictive Soil Mapping Project
The theory states that soil profile character is a function of climate, organisms, relief, parent material, and time, implying that if the spatial distribution of the soil forming factors is known, then soil character may be inferred.
Build a predictive model from the existing soil map of the Military Base, and the knowledge that was gained to produce that map, and apply the model (extrapolate) to the expansion area.
This observation suggests that the landform linework might be of use in early stages of soil mapping in areas of the Mojave where the landforms have been mapped but the soils have not.
www.geog.ucsb.edu /pedology/predictsoil.htm   (505 words)

  
 Subaqueous and Submerged Soil Information Sheet
The study of subaqueous soils is a relatively new field in Pedology or soil science.
Geologic studies have focused on this realm of the ecosystem, but the information provided by these studies is not detailed enough to be of ecological significance and most of these studies focused on a single parameter (e.g.
An advantage of using the soil science approach to study shallow water sediments is that soils are studied as a collection of horizons that are linked with depth across the landscape.
nesoil.com /sas/sasinfo.htm   (1304 words)

  
 Wetlands   (Site not responding. Last check: 2007-09-16)
Preliminary investigations of hydric soil hydrology and morphology on the Texas Gulf Coast Prairie.
Bioavailable C in soils as a function of landscape position across a broad climosequence of the U.S. Eighth International Symposium on Microbial Ecology, Halifax, Nova Scotia.
A study of aquic conditions on microtoposequences of wetland soils on the Texas Coast Prairie.
soilcrop.tamu.edu /research/pedology/wetlands.htm   (490 words)

  
 PEDOLOGY Network   (Site not responding. Last check: 2007-09-16)
Pedology, (from the Greek pedon = soil), is the study of soils and soil formation.
The diversity of names associated with this discipline is related to the various associations concerned.
Thorough knowledge of soil history makes it possible to ensure its sustainable use.
www.pedology.net /index.html   (66 words)

  
 Pedology, Southeast Missouri State University
Classes in the pedology program at Southeast are taught by well-trained and experienced faculty who have participated in research and who are experts in such areas as soil reactions, artic soil genesis, sedimentology and stratigraphgy.
Soil fertility is a key component of the massive agricultural potential of our region.
A minor in Soil Science may be coupled with any Geoscience degree or another degree to produce a well-rounded college educational experience.
www.semo.edu /study/pedology   (218 words)

  
 Plant and Soil Systems at WSU
The major in plant and soil systems provides students the opportunity to specialize in plant or soil management for food, fiber, and/or ornamental production, while maintaining a big-picture perspective of how their disciplinary work fits within larger agricultural and food systems.
The soil management option prepares you for professional soil scientist certification, as well as government agency positions.
Interact personally with faculty scientists who are on the leading edge of plant science, soil science, biotechnology, and organic and sustainable agriculture.
academics.wsu.edu /fields/study.asp?ID=PLTSL   (708 words)

  
 -logy at AllExperts
It should also be pointed out that some words mean to study something, but aren't called ologies – midwifery is one example.
The term "Ology" is often used, pejoratively, to indicate that a subject is a pseudo-science, and does not meet the same standards of rigour as more hard sciences such as Physics or Chemistry.
In natural theology, a henological argument attempts to prove the existence of God by reasoning from a multiplicity of virtues backwards to show that they must have one source (God).
en.allexperts.com /e/0/-logy.htm   (2684 words)

  
 A.Word.A.Day -- pedology
If at first you thought pedology was the study of children, you're not completely off.
But for everyone's sanity, pedology is mostly used when referring to soils, and pediatrics for children.
Imagine taking your sick child to a pedologist who turns out to be an expert in soils or expecting a soil specialist to check your backyard when she shows up with a stethoscope around her neck.
wordsmith.org /words/pedology.html   (226 words)

  
 pedology - OneLook Dictionary Search
Tip: Click on the first link on a line below to go directly to a page where "pedology" is defined.
pedology : The American Heritage® Dictionary of the English Language [home, info]
PEDOLOGY : Lake and Water Word Glossary [home, info]
onelook.com /?w=pedology   (184 words)

  
 Geology - G. Knowledge
Geology (from Greek γη- (ge-, "the earth") and λογος (logos, "word", "reason")) is the science and study of the Earth, its composition, structure, physical properties, history, and the processes that shape it.
Astrogeology refers to the application of geologic principles to other bodies of the solar system.
However, specialised terms such as selenology (studies of the Moon), areology (of Mars), etc., are also in use.
gknowledge.wikia.com /wiki/Geology   (982 words)

  
 The Ohio State U. Soil Database Homepage   (Site not responding. Last check: 2007-09-16)
In support of the Lake Erie Basin Pollution Prevention project, a searchable database of the soil characteristics within the Lake Erie watershed was developed.
This database contains the original soil characteristics which were used to create the Soil Surveys for each county.
For example, a search can be made querying the number of soil pedons that have 5% organic matter in the Ap horizon, existing on 10% slope, with Wisconsin till as the parent material, and that is poorly drained.
www.ag.ohio-state.edu /~pedology/Soildatabase.html   (289 words)

  
 Soil & Water Science Department at UF
Soil & Water Science Department at UF Soil and Water Science Department
Researches includes morphological, chemical, physical, and biological properties of hydric soils; subsurface variations of soil properties on karst areas; and pedological-archaeological interactions to study the genesis of soils.
SOS 3022 - Introduction to Soil and the Environment
soils.ifas.ufl.edu /people/collins.htm   (49 words)

  
 Photo Gallery - Sedgwick Natural Reserve   (Site not responding. Last check: 2007-09-16)
View of the Paso Robles formation with a general view of the Hillslope study site.
Close-up view of the hillslope study site before it was fenced in 1996.
View of an instrumented soil profile on the hillslope study site.
www.geog.ucsb.edu /pedology/photos_sedg.htm   (88 words)

  
 Student Organizations, Southeast Missouri State University
home > areas of study > student organizations
The Soil Science Society of America is a national professional organization for people interested in soil sciences.
The Web site for the Soil Science Society of America is http://www.agronomy.org.
www.semo.edu /study/pedology/studentorgs.htm   (152 words)

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