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Crucigrama Sopa de Letras Hoja de Trabajo
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Soils Revision 1

Implement Soil Improvements for Garden and Turf Areas
Horizontales
O, A, B, and C are examples of these (8)
An ideal topsoil structure (5)
The proportion of sand, silt and clay in a soil (7)
Another name for the B horizon (7)
Water is lost to the atmosphere as a gas (11)
Is limited in compacted or waterlogged soils (6)
The point at which all soil pores are filled with water (10)
The breakdown of organic matter by microorganisms (13)
A parent material found in Sydney weathering to clayey soils (5)
Sandstone is an example of this parent rock (11)
Sandy soils often have this structure (6)
A pH of 7 (7)
Compaction may be a problem in soils which have a lot of this (4)
Soil colloids usually have this charge (8)
Can be applied to help prevent water loss from soil (5)
The size, shape and arrangement of aggregates and the pore spaces between them (9)
Has a 'gritty' feel when doing a field texture test (4)
Verticales
Water in the soil which is unavailable to plants (11)
Field test performed to determine the amount of clay in a soil (6)
The 'form' of water that is available to plants (9)
May be added to lower pH (7)
Gypsum is added to soil to fix this soil structure problem (10)
Sub-surface drains aim to remove trapped __________ water (13)
Soils may develop a red colour due to the presence of these oxides (4)
Slaking soils can lead to this structural problem (7)
Another term for soil aggregate (3)
The attraction of water to soil solids and other surfaces (8)
Another name for the A horizon (7)
The O horizon (7)
A dark-coloured volcanic rock producing highly fertile soils (6)
The loss of organic matter leading to pale colours in the profile (8)
Soil material which is not carbon based; comes from parent rocks (9)
A shallow trench used to control water run-off (5)
Decomposed organic matter (5)
Can be added to increase soil pH (4)
A soil with around equal proportions of sand, silt and clay (4)