AGRONOMY EXAM 3 QUESTIONS AND ANSWERS LATEST
UPDATED 2025/2026 ALL ANSWERS 100% CORRECT
VERIFIED BEST GRADED A+ FOR PASS
5 factors that determine climate patterns
1. Landform
2. Latitude
3. Altitude
4. Distance from large bodies of water
5. Direction & Intensity of winds
Agroecosystem
The population of plants and animals growing at a location and
interacting with biotic and abiotic environmental factors under the
management of humans.
Atmosphere functions
Source of water vapor, carbon dioxide, oxygen, nitrogen.
Protects earth from harmful energy
Allows for selective passage of certain radiation for plants
Keeps temp for animal and plant life to survive and be productive.
CEC
(Cation Exchange Capacity) used by the agronomist to measure: soil
fertility, nutrient retention capacity, and ability of soil to protect
groundwater.
Crop Residue benefits
- higher soil moisture by reducing water evaporation
- reduced soil erosion-depending on amount of residue left on soil can
, AGRONOMY EXAM 3 QUESTIONS AND ANSWERS LATEST
UPDATED 2025/2026 ALL ANSWERS 100% CORRECT
VERIFIED BEST GRADED A+ FOR PASS
reduce erosion by 90%
- reduced fertilizer and herbicide runoff
- improved water infiltration
- increased OM in the upper two-three inches of soil
- fuel, labor, etc. will be discussed with no-till
Crop Rotation goals
a planned sequence of crops growing in a regularly recurring succession
on the same piece of land.
Denitrification
- process by which bacteria convert NO3- to N gases that are lost in the
atmosphere
- caused under "waterlogged" conditions
- extreme prolonged moisture in soils (no oxygen in soil) forces soil
microbes to go anaerobic (uses NO3- as a source of oxygen
- NO3- converted by bacteria into N2 gas and lost to atmosphere
Fallowing
- strategy for accumulating moisture where normal rain is limited during
growing season
- land not cropped and kept free of weeds (herbicide)
- water trapped in
- wheat often grown after year of fallowing
- increase availability of nitrogen in soil
UPDATED 2025/2026 ALL ANSWERS 100% CORRECT
VERIFIED BEST GRADED A+ FOR PASS
5 factors that determine climate patterns
1. Landform
2. Latitude
3. Altitude
4. Distance from large bodies of water
5. Direction & Intensity of winds
Agroecosystem
The population of plants and animals growing at a location and
interacting with biotic and abiotic environmental factors under the
management of humans.
Atmosphere functions
Source of water vapor, carbon dioxide, oxygen, nitrogen.
Protects earth from harmful energy
Allows for selective passage of certain radiation for plants
Keeps temp for animal and plant life to survive and be productive.
CEC
(Cation Exchange Capacity) used by the agronomist to measure: soil
fertility, nutrient retention capacity, and ability of soil to protect
groundwater.
Crop Residue benefits
- higher soil moisture by reducing water evaporation
- reduced soil erosion-depending on amount of residue left on soil can
, AGRONOMY EXAM 3 QUESTIONS AND ANSWERS LATEST
UPDATED 2025/2026 ALL ANSWERS 100% CORRECT
VERIFIED BEST GRADED A+ FOR PASS
reduce erosion by 90%
- reduced fertilizer and herbicide runoff
- improved water infiltration
- increased OM in the upper two-three inches of soil
- fuel, labor, etc. will be discussed with no-till
Crop Rotation goals
a planned sequence of crops growing in a regularly recurring succession
on the same piece of land.
Denitrification
- process by which bacteria convert NO3- to N gases that are lost in the
atmosphere
- caused under "waterlogged" conditions
- extreme prolonged moisture in soils (no oxygen in soil) forces soil
microbes to go anaerobic (uses NO3- as a source of oxygen
- NO3- converted by bacteria into N2 gas and lost to atmosphere
Fallowing
- strategy for accumulating moisture where normal rain is limited during
growing season
- land not cropped and kept free of weeds (herbicide)
- water trapped in
- wheat often grown after year of fallowing
- increase availability of nitrogen in soil
