The purity of light reflected by a soil is called:
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chroma
The four most abundant metallic elements in most soils and rocks that are essential
for ALL plants are:
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Ca, Mg, K, Fe
,A soil having A, B, and C horizons and a textural profile has horizons which are loam
(l), clay loam (cl), and clay (c). The order of occurrence of these materials in the A,B,
and C horizons would be:
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l, c, cl
Calculate the mass of one hectare of soil in kilograms to 15cm depth. (1 ha = 10,000m3.
density of water 1000kg/m3 = 1g/cm3. soil bulk density 1.5g/cm3)
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2,250,000
In a soil, having a color of 10YR 4/1, the value is:
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4
The amount of heat stored in the soil in the fall at a given location is primarily a
function of soil:
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, moisture
One of the most soluble and therefore, easily weather minerals is:
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gypsum
Daily fluctuations in temperature at 2cm below the soil surface, when compared to
daily fluctuations at 15cm below the soil surface:
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are of greater magnitude
From a biological point of view, the most important role of structural development in
fine textured soils is to provide an increase in:
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macro porosity
A property used in distinguishing among minerals in hand-held specimens is:
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chroma
The four most abundant metallic elements in most soils and rocks that are essential
for ALL plants are:
Give this one a try later!
Ca, Mg, K, Fe
,A soil having A, B, and C horizons and a textural profile has horizons which are loam
(l), clay loam (cl), and clay (c). The order of occurrence of these materials in the A,B,
and C horizons would be:
Give this one a try later!
l, c, cl
Calculate the mass of one hectare of soil in kilograms to 15cm depth. (1 ha = 10,000m3.
density of water 1000kg/m3 = 1g/cm3. soil bulk density 1.5g/cm3)
Give this one a try later!
2,250,000
In a soil, having a color of 10YR 4/1, the value is:
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4
The amount of heat stored in the soil in the fall at a given location is primarily a
function of soil:
Give this one a try later!
, moisture
One of the most soluble and therefore, easily weather minerals is:
Give this one a try later!
gypsum
Daily fluctuations in temperature at 2cm below the soil surface, when compared to
daily fluctuations at 15cm below the soil surface:
Give this one a try later!
are of greater magnitude
From a biological point of view, the most important role of structural development in
fine textured soils is to provide an increase in:
Give this one a try later!
macro porosity
A property used in distinguishing among minerals in hand-held specimens is:
Give this one a try later!
