Term
| List the factors that affect SOM |
|
Definition
Vegetation
Topography
Climate
Cultivation |
|
|
Term
| What are the building blocks of proteins? |
|
Definition
|
|
Term
| What percentage of air is dinitrogen? |
|
Definition
|
|
Term
| True or false: immobilization is favored by the addition of a narrow C:N ratio. |
|
Definition
|
|
Term
| Name 2 types of microorganisms that tolerate neutral soils |
|
Definition
|
|
Term
|
Definition
The wearing away (detachment and movement) of the land surface by running water, wind, ice, or other geologic agents.
A destructive process that reduces the overall productivity of a given soil |
|
|
Term
|
Definition
|
|
Term
|
Definition
| A violent dust storm or sand storm |
|
|
Term
| Natural N2 fixation caused by... |
|
Definition
|
|
Term
|
Definition
Fulvic acid is higher in molecular weight and darker in color
Humic acid is lower in molecular weight and lighter in color |
|
|
Term
|
Definition
| The decomposition of a chemical compound by reaction with water |
|
|
Term
| True or false: nitrate is very susceptible to leaching |
|
Definition
|
|
Term
| How many nematodes can one fourth of a teaspoon of soil contain? |
|
Definition
|
|
Term
|
Definition
| The greatest amount of water a soil can hold after gravitational water has drained |
|
|
Term
| List five types of erosion caused by water |
|
Definition
Sheet Surface Creep Gully
Saltation Accelerated
Rill Geologic Splash |
|
|
Term
|
Definition
| The portion of stored soil water that can be absorbed by plants at a rate sufficient to sustain the life. Some VMC between field capacity and the wilting point. |
|
|
Term
| What does "S" represent in the Universal Soil Loss Equation? |
|
Definition
| Slope Length. Usually combined with Inclination in a single term. |
|
|
Term
|
Definition
| "Piled" compost that generates a considerable quantity of heat (up to 160°F) |
|
|
Term
| What program offers technical and financial assistance to eligible farmers and ranchers to address soil, water, and related natural resource concerns on their lands in a beneficial and cost-effective manner? |
|
Definition
| Conservation Reserve Program |
|
|
Term
| List the forms of gaseous nitrogen |
|
Definition
Dinitrogen gas Nitric oxide
Nitrous oxide Nitrite
Ammonia |
|
|
Term
| What are the three types of wind erosion? |
|
Definition
Saltation
Suspension
Surface creep |
|
|
Term
| What does K stand for in the Universal Soil Loss Equation |
|
Definition
|
|
Term
| What does VisNIR-DRS stand for? |
|
Definition
| Visible near-infrared diffuse reflectance spectroscopy |
|
|
Term
| Capillarity is caused by what two factors |
|
Definition
|
|
Term
| A soil with a charge of Fe3+ is in what state? |
|
Definition
|
|
Term
| What type of erosion involves particles "jumping"? |
|
Definition
|
|
Term
| True or false: is saltation a condition of salt-affected soils? |
|
Definition
|
|
Term
| What percentage of soil organic matter do living microorganisms make up? |
|
Definition
|
|
Term
| What is Van Bemmelon's Factor? |
|
Definition
|
|
Term
| List the components of water potential |
|
Definition
matric potential
pressure potential
osmotic (solute) potential
gravity potential |
|
|
Term
| What are the possible fates of precipitation? |
|
Definition
Plant Interception | Transpiration
Runoff | Drainage
Infiltration | Change in soil moisture
Evaporation |
|
|
Term
| True of false: SOM decreases as texture becomes finer |
|
Definition
|
|
Term
| Which microorganism produces more Nitrogen per hectare per year, Risobium or Bradyrhizobium? |
|
Definition
|
|
Term
| What is the C:N ratio of sawdust? |
|
Definition
|
|
Term
| True or false: nitrification generates active acidity |
|
Definition
|
|
Term
| List the factors that affect SOM |
|
Definition
Vegetation
Topography
Climate
Cultivation |
|
|
Term
| What are the building blocks of proteins? |
|
Definition
|
|
Term
| What percentage of air is dinitrogen? |
|
Definition
|
|
Term
| True or false: immobilization is favored by the addition of a narrow C:N ratio. |
|
Definition
|
|
Term
| Name 2 types of microorganisms that tolerate neutral soils |
|
Definition
|
|
Term
|
Definition
The wearing away (detachment and movement) of the land surface by running water, wind, ice, or other geologic agents.
A destructive process that reduces the overall productivity of a given soil |
|
|
Term
|
Definition
|
|
Term
|
Definition
| A violent dust storm or sand storm |
|
|
Term
| Natural N2 fixation caused by... |
|
Definition
|
|
Term
|
Definition
Fulvic acid is higher in molecular weight and darker in color
Humic acid is lower in molecular weight and lighter in color |
|
|
Term
|
Definition
| The decomposition of a chemical compound by reaction with water |
|
|
Term
| True or false: nitrate is very susceptible to leaching |
|
Definition
|
|
Term
| How many nematodes can one fourth of a teaspoon of soil contain? |
|
Definition
|
|
Term
|
Definition
| The greatest amount of water a soil can hold after gravitational water has drained |
|
|
Term
| List five types of erosion caused by water |
|
Definition
Sheet Surface Creep Gully
Saltation Accelerated
Rill Geologic Splash |
|
|
Term
|
Definition
| The portion of stored soil water that can be absorbed by plants at a rate sufficient to sustain the life. Some VMC between field capacity and the wilting point. |
|
|
Term
| What does "S" represent in the Universal Soil Loss Equation? |
|
Definition
| Slope Length. Usually combined with Inclination in a single term. |
|
|
Term
|
Definition
| "Piled" compost that generates a considerable quantity of heat (up to 160°F) |
|
|
Term
| What program offers technical and financial assistance to eligible farmers and ranchers to address soil, water, and related natural resource concerns on their lands in a beneficial and cost-effective manner? |
|
Definition
| Conservation Reserve Program |
|
|
Term
| List the forms of gaseous nitrogen |
|
Definition
Dinitrogen gas Nitric oxide
Nitrous oxide Nitrite
Ammonia |
|
|
Term
| What are the three types of wind erosion? |
|
Definition
Saltation
Suspension
Surface creep |
|
|
Term
| What does K stand for in the Universal Soil Loss Equation |
|
Definition
|
|
Term
| What does VisNIR-DRS stand for? |
|
Definition
| Visible near-infrared diffuse reflectance spectroscopy |
|
|
Term
| Capillarity is caused by what two factors |
|
Definition
|
|
Term
| A soil with a charge of Fe3+ is in what state? |
|
Definition
|
|
Term
| What type of erosion involves particles "jumping"? |
|
Definition
|
|
Term
| True or false: is saltation a condition of salt-affected soils? |
|
Definition
|
|
Term
| What percentage of soil organic matter do living microorganisms make up? |
|
Definition
|
|
Term
| What is Van Bemmelon's Factor? |
|
Definition
|
|
Term
| List the components of water potential |
|
Definition
matric potential
pressure potential
osmotic (solute) potential
gravity potential |
|
|
Term
| What are the possible fates of precipitation? |
|
Definition
Plant Interception | Transpiration
Runoff | Drainage
Infiltration | Change in soil moisture
Evaporation |
|
|
Term
| True of false: SOM decreases as texture becomes finer |
|
Definition
|
|
Term
| Which microorganism produces more Nitrogen per hectare per year, Risobium or Bradyrhizobium? |
|
Definition
|
|
Term
| What is the C:N ratio of sawdust? |
|
Definition
|
|
Term
| True or false: nitrification generates active acidity |
|
Definition
|
|
Term
| What are the functions of OM in soils? |
|
Definition
Improved soil structure
Source of CEC
Increased infiltration |
|
|
Term
| In what units is soil water potential expressed? |
|
Definition
|
|
Term
| True or false: water always flows from areas of high potential energy to areas of low potential energy |
|
Definition
|
|
Term
| Match the given names of gaseous nitrogen compounds and their formulas |
|
Definition
Dinitrogen gas N2 Ammonia NH3
Nitrous oxide N2O Nitrite NO2
Nitric oxide NO |
|
|
Term
| What are the only two types of plant available nitrogen |
|
Definition
|
|
Term
| Name the process in which soil particles jump along the soil surface in a current |
|
Definition
|
|
Term
| Name the process in which extremely fine soil particles are carried for great distances in currents |
|
Definition
|
|
Term
| True or false: soil erosion has been continually worsening over the last few decades |
|
Definition
|
|
Term
| Name the process in which silt particles are eroded through tiny channels |
|
Definition
|
|
Term
| Name the computer software currently used to model soil erosion |
|
Definition
|
|
Term
| Parameters P and C in the USLE hae values from what to what? |
|
Definition
|
|
