Cropping Systems

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austin55
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Last updated: January 8, 2026
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First submittedJanuary 8, 2026
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1. Which of the following factors is most important in maintaining crop quality during storage?
Air tight bin
Moisture at harvest
Use of fungicide
Presence of beneficial insects
2. Which of following is a limitation of a crop rotation over a monoculture system?
Irrigation usually needed
Lower level of management required
Yield of all crops in the rotation increase
More equipment needed
3. Which of the following is a limitation of seed treatment?
Less symbiotic N fixation
More seedling disease
Higher germination percentage
Cost
4. Harvest date is affected by _____.
Excess soil P
Seed quality
Hybrid or variety
Neutral soil pH
5. _____ is used to locate a position in a field.
GPS
UPS
GIS
GUS
6. Which of the following factors is not used in determining depth of planting?
Soil moisture with depth
Soil aeration with depth
Soil texture with depth
Soil temperature with depth
7. A double cropping system is where two crops are grown in the same field over _____.
36 months
18 months
24 months
12 months
8. Which of the following would most likely decrease germination percentage?
Soil temperature of 65 degrees F
Dry soil
Oxygen concentration of 18%
Surface structure granular
9. Fields are fallowed to conserve ______.
Water
Pesticides
Nutrients
Energy
10. Identity-preserved (IP) crops are _____.
Used in strip cropping with cross-pollinated varieties of the same crop
Kept separate from other varieties of the same crop
Harvested before cleaning the combine
Stored in the same bin as other varieties of the same crop
11. Crop mix on a farm is used to reduce _____.
Profit
Income
Risk
Liability
12. In clean-till systems, tillage can spread _____.
Weeds
Diseases/Weeds
Diseases
Insects
13. If the current local cash crop price of a crop is $12/bushel and the future price of a specific date is $9/bushel, the basis is _____.
$21/bushel
$3/bushel
-$3/bushel
3/4
14. Storage in a _____ likely decreases bacterial inoculum viability the most.
Refrigerator
Pesticide shed
Cool, dry building
Dealer show room
15. A benefit of using certified seed is _____.
Stable, high yields
Reduced fertilizer needs
No irrigation needed
Increased weed pressure
16. A plant that lives 10 years is a _____.
Perennial
Summer annual
Biennial
Winter annual
17. _____ is used to apply fertilizers, pesticides and seeds at different rates across the field.
UPS
CRT
VRT
GPS
18. Which of the following is not usually found on a seed information tag?
Pure seed percentage
Other crop seed percentage
Germination percentage
Seed size
19. Geographical coordinates combine _____ and _____.
Latitude and longitude
City and town boundaries
Township and range
Principle meridian and State
20. Offspring of two plants which differ genetically are _____.
Hybrids
Clones
Parents
Sisters
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