|
soil-net.com
|
0 earned Badges No badges were found
Definitions (60)
1 |
3
2
leaching
Leaching is the process where soluble materials (including nutrients and salts) in the soil are washed down the soil profile by water.
Meaning awaits approval from a moderator |
2 |
1
0
glacial till
Glacial till is sediment ground up beneath a glacier and deposited as 'sub-glacial till', or glacial till deposited at the 'terminus' as a 'terminal moraine'. Till is a j [..]
Meaning awaits approval from a moderator |
3 |
0
0
acid rain
Fossil fuels can release chemicals such as sulphur when they are burnt (as petrol is in a car, or coal is in a power station). These chemicals can dissolve in atmospheric water and make rainfall unnat [..]
Meaning awaits approval from a moderator |
4 |
0
0
aerated soil
An aerated soil is a soil with a good movement of air through the soil structure. The opposite is a wet waterlogged soil, where the soil pores are filled with water.
Meaning awaits approval from a moderator |
5 |
0
0
aggregates
Aggregates' in the soil are just soil lumps of a range of differing sizes. The word is also often used to describe gravel used to build roads.
Meaning awaits approval from a moderator |
6 |
0
0
alluvium
Alluvium is a deposit made by a river or running water. This leads to an 'alluvial deposit' forming in the water. Alluvial soils are rich agricultural lands. Glaciers may also deposit sedime [..]
Meaning awaits approval from a moderator |
7 |
0
0
anaerobic soils
Anaerobic soils have very little oxygen present - for instance the wet, waterlogged, marshy soils in a bog. While anaerobic conditions are important for some processes, such as bacterial reduction of [..]
Meaning awaits approval from a moderator |
8 |
0
0
anion
A negatively charged ion. The most commonly found anions in soil waters include bicarbonates, sulphates, carbonates, chlorides and nitrates.
Meaning awaits approval from a moderator |
9 |
0
0
arid conditions
Arid conditions are dry! Where rainfall is less than about 200 mm/year an area is 'semi-arid', rainfall below below this leads to arid conditions such as deserts.
Meaning awaits approval from a moderator |
10 |
0
0
autotrophic
Autotrophic bacteria can take carbon in from the atmosphere through the fixation, reduction and incorporation of carbon dioxide.
Meaning awaits approval from a moderator |
To view all 60 definitions, please sign in.