AGN 215-EXAM 4 questions n answers
already passed
Energy in water due to the force of gravity - correct answer ✔✔gravitational potential
Synonymous with the term polyhedron; consists of soils that are similar in profile characteristics
such as color, texture, and structure - correct answer ✔✔Soil series
Which soil is under wet conditions(identified by the suborder prefix) - correct answer
✔✔Moniteau silt loam, 1 to 3% slopes, rarely flooded, a fine-silty, mixed, active, thermic typic
PaleaQUULT
Most useful for measuring percolation losses of water and nutrient leaching - correct answer
✔✔Lysimeter
Energy of water due to the attraction with soil solids - correct answer ✔✔Matric potential
Water will move along a water potential gradient from a soil with a Ψw = 0 bars to a soil with a
Ψw = -0.1 bars by - correct answer ✔✔Gravitational flow
What is the SUBORDER of: Alsup cobbly silt loam, 8 to 15% slopes, a fine, mixed, active, mesic
oxyaquic Fraigiudalf - correct answer ✔✔Udalf
Saturation= - correct answer ✔✔0 Bars
Permanent Wilting point= - correct answer ✔✔- 15 bars
, What is the ORDER of: Moniteau silt loam, 1 to 3% slopes, rarely flodded, afine, silty, mixed,
active, thermic Typic Paleaquolls - correct answer ✔✔Mollisol
The 2 components of the soil water potential equation that are positive (pressures): - correct
answer ✔✔Gravitational potential and hydrostatic potential
The most generalized category in soil taxonomy - correct answer ✔✔Order
Gravitational water moves when Ψw is greater than (less negative than) ________ bars - correct
answer ✔✔-1/3 or -.33
Soils developed in volcanic ash deposits that are often composed of amorphous compounds -
correct answer ✔✔Andisol
Comparative measure of the energy stored in soil water - correct answer ✔✔Soil water
potential
Factors of the RUSLE equation - correct answer ✔✔- The crop residue management of the field
- The length of slope of a field
- The type of crop grown on the field
- The climate on the field
The plant in a soil Ψw = -1.0 bars is experiencing - correct answer ✔✔Drought (too little water)
stress
Water will move along a water potential gradient from a soil with a Ψw = -0.5 bars to a soil with
a Ψw = -0.8 bars by - correct answer ✔✔Capillary flow
already passed
Energy in water due to the force of gravity - correct answer ✔✔gravitational potential
Synonymous with the term polyhedron; consists of soils that are similar in profile characteristics
such as color, texture, and structure - correct answer ✔✔Soil series
Which soil is under wet conditions(identified by the suborder prefix) - correct answer
✔✔Moniteau silt loam, 1 to 3% slopes, rarely flooded, a fine-silty, mixed, active, thermic typic
PaleaQUULT
Most useful for measuring percolation losses of water and nutrient leaching - correct answer
✔✔Lysimeter
Energy of water due to the attraction with soil solids - correct answer ✔✔Matric potential
Water will move along a water potential gradient from a soil with a Ψw = 0 bars to a soil with a
Ψw = -0.1 bars by - correct answer ✔✔Gravitational flow
What is the SUBORDER of: Alsup cobbly silt loam, 8 to 15% slopes, a fine, mixed, active, mesic
oxyaquic Fraigiudalf - correct answer ✔✔Udalf
Saturation= - correct answer ✔✔0 Bars
Permanent Wilting point= - correct answer ✔✔- 15 bars
, What is the ORDER of: Moniteau silt loam, 1 to 3% slopes, rarely flodded, afine, silty, mixed,
active, thermic Typic Paleaquolls - correct answer ✔✔Mollisol
The 2 components of the soil water potential equation that are positive (pressures): - correct
answer ✔✔Gravitational potential and hydrostatic potential
The most generalized category in soil taxonomy - correct answer ✔✔Order
Gravitational water moves when Ψw is greater than (less negative than) ________ bars - correct
answer ✔✔-1/3 or -.33
Soils developed in volcanic ash deposits that are often composed of amorphous compounds -
correct answer ✔✔Andisol
Comparative measure of the energy stored in soil water - correct answer ✔✔Soil water
potential
Factors of the RUSLE equation - correct answer ✔✔- The crop residue management of the field
- The length of slope of a field
- The type of crop grown on the field
- The climate on the field
The plant in a soil Ψw = -1.0 bars is experiencing - correct answer ✔✔Drought (too little water)
stress
Water will move along a water potential gradient from a soil with a Ψw = -0.5 bars to a soil with
a Ψw = -0.8 bars by - correct answer ✔✔Capillary flow
