In geotechnical engineering, soil structure describes the arrangement of the solid parts of the soil and of the pore space located between them. It is...
14 KB (1,742 words) - 10:21, 9 June 2024
Ground–structure interaction (SSI) consists of the interaction between soil (ground) and a structure built upon it. It is primarily an exchange of mutual...
13 KB (1,793 words) - 09:33, 13 November 2023
plants and soil organisms. Some scientific definitions distinguish dirt from soil by restricting the former term specifically to displaced soil. Soil consists...
204 KB (22,699 words) - 03:04, 20 October 2024
transferred from the ground surface to layers of soil or rock at greater depths. This loss of soil structure causes it to lose its strength (the ability to...
30 KB (3,641 words) - 17:20, 29 July 2024
horizon at the mineral soil surface or buried; contains organic matter that has at least partly been modified in-situ; soil structure and/or structural elements...
48 KB (6,503 words) - 23:20, 20 October 2024
(anisotropy) within soils. These alterations lead to the development of layers, termed soil horizons, distinguished by differences in color, structure, texture,...
90 KB (9,558 words) - 19:35, 8 July 2024
physical properties of soil, in order of decreasing importance for ecosystem services such as crop production, are texture, structure, bulk density, porosity...
85 KB (9,036 words) - 12:24, 6 October 2024
in soil is caused by irrigating with salty water. Water then evaporates from the soil leaving the salt behind. Salt breaks down the soil structure, causing...
18 KB (2,102 words) - 03:01, 9 August 2024
Soil erosion is the denudation or wearing away of the upper layer of soil. It is a form of soil degradation. This natural process is caused by the dynamic...
76 KB (8,827 words) - 17:49, 13 June 2024
Soil chemistry is the study of the chemical characteristics of soil. Soil chemistry is affected by mineral composition, organic matter and environmental...
23 KB (3,064 words) - 01:33, 7 October 2024
Topsoil or horizon O is with sufficient soil organic matter for healthy soil structure and soil moisture retention; Soil pH in the range 5.5 to 7.0 (suitable...
36 KB (4,650 words) - 14:32, 30 September 2024
is a term used in soil mechanics to describe the magnitude of the shear stress that a soil can sustain. The shear resistance of soil is a result of friction...
21 KB (2,853 words) - 22:35, 1 September 2024
influence on soil fertility, plant growth, soil structure, and carbon storage. As a relatively new science, much remains unknown about soil biology and...
24 KB (2,670 words) - 14:30, 4 October 2024
Alkali, or Alkaline, soils are clay soils with high pH (greater than 8.5), a poor soil structure and a low infiltration capacity. Often they have a hard...
26 KB (3,228 words) - 11:20, 6 October 2024
Soil biodiversity refers to the relationship of soil to biodiversity and to aspects of the soil that can be managed in relative to biodiversity. Soil...
31 KB (3,920 words) - 13:52, 30 September 2024
N-butoxyacrylamide. The most common use of soil conditioners is to improve soil structure. Soils tend to become compacted over time. Soil compaction impedes root growth...
17 KB (1,946 words) - 11:20, 16 January 2024
used. Structure liming can reduce losses of clay and nutrients from soil aggregates. The degree to which a given amount of lime per unit of soil volume...
9 KB (1,030 words) - 19:50, 30 September 2024
advanced microorganisms, which are important because they affect soil structure and fertility. Soil microorganisms can be classified as bacteria, actinomycetes...
22 KB (2,880 words) - 06:32, 16 September 2024
Soil mechanics is used to analyze the deformations of and flow of fluids within natural and man-made structures that are supported on or made of soil...
60 KB (8,949 words) - 20:53, 2 October 2024
field by its evaporation from the plant itself. Water affects soil formation, structure, stability and erosion but is of primary concern with respect...
45 KB (5,061 words) - 12:49, 9 October 2024
tillage. Soil aggregate stability is a measure of soil structure and can be affected by soil management. Aggregate stability is one of indicators of soil quality...
31 KB (3,889 words) - 16:42, 3 June 2024
support for plants and other structures. Soil management has a major impact on soil quality. Soil quality relates to soil functions. Unlike water or air...
7 KB (697 words) - 06:57, 16 March 2024
including texture, color, structure, and consistence. Morphological evaluations of soil are typically performed in the field on a soil profile containing multiple...
22 KB (2,917 words) - 02:52, 28 June 2024
engineering, soil compaction is the process in which stress applied to a soil causes densification as air is displaced from the pores between the soil grains...
11 KB (1,311 words) - 10:50, 6 October 2024
Soil science is the study of soil as a natural resource on the surface of the Earth including soil formation, classification and mapping; physical, chemical...
18 KB (2,041 words) - 22:24, 28 September 2024
of water in the underlying soil structure and traffic passing over the affected area. Water first weakens the underlying soil; traffic then fatigues and...
22 KB (2,610 words) - 04:02, 11 October 2024
the type of photosynthetic pathway (C3/C4), of the respired plant structures. Soil respiration rates can be largely affected by human activity. This is...
41 KB (5,597 words) - 12:33, 24 April 2024
smoothing out the surface of the soil. The purpose of harrowing is to break up clods and to provide a soil structure, called tilth, that is suitable for...
8 KB (1,051 words) - 12:12, 6 October 2024