Ago 105 Test 1

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Author:
caitlin.schlagal
ID:
202013
Filename:
Ago 105 Test 1
Updated:
2013-02-20 10:39:45
Tags:
agronomy
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Description:
Agronomy Test 1
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  1. Classification is based on?
    Crop use
  2. What is a companion crop?
    Annual crop planted with a perennial crop to aid in the establishment of the perennial crop
  3. What is green manure?
    Crop grown but not harvested, plowed under to improve the soil
  4. What is a catch crop?
    Crop planted after another crop after it was lost due to some disaster or or after harvest
  5. What is a cover crop?
    Crop grown to protect the soil from erosion
  6. Life span of annual?
    One generation/year
  7. Life span of perennial?
    One generation/ several years
  8. Biannual
    One generation/ two years
  9. Taxonomy list from general to specific?
    Kingdom, phylum, class, order, family, genus & species
  10. Gynosperms are also called?
    Conifers, pine tress
  11. What are the characteristics of gymnosperms?
    Naked seed ( no seeded coat) mostly soft wooded trees
  12. Angiosperms are?
    Flowering plants
  13. Characteristics of angiosperms?
    Seed coat, and produce flowers
  14. Characteristics of a species?
    Genetically similar individuals, form interbreeding populations, produce fertile offspring, remain distinct from closely related species
  15. Subspecies are?
    capable and able of producing fertile offspring with other subspecies, differences due to environmental effects
  16. What is a landrace?
    Locally adapted plant or animal
  17. Accession?
    A collection of plant material from a particular location
  18. What is germplasm?
    Collection of genetic resources
  19. What is conventional tillage?
    Using plows and equipment for clean til
  20. Advantages conventional tillage?
    Clean (weed free) and less pesticides used
  21. Disadvantages of conventional tillage?
    High fuel use, requires large equipment, more soil compaction, no crop residue
  22. whatWhat what is conservation tillage?
    Using pesticides, round up, to kelp crops clean
  23. Advantages of conservation tillage?
    Reduce compaction, reduce wind and water erosion, smaller equipment needed
  24. Disadvantages of conservation tillage?
    Reduce weed tillage, more dependence on pesticides
  25. No till
    ExtremeExtreme conservation tillage
  26. Strip till
    Cultivate next to crop, minimum 50% crop residues
  27. Reduced till( catch all)
    Rely more on round up, minimum 20% crop residue
  28. Continuous cropping
    The practice of growing only one crop over a long period of time
  29. Crop Rotation
    The regular recurrent succession of different crops on the same land -> change crops on a regular basis
  30. Multiple cropping
    The practice of growing more than one crop in the same field simultaneously
  31. Stripping intercropping
    Typically practiced by alternating rows of each crop
  32. Relay intercropping
    A second crop is planted before the first crop is harvested
  33. Fallow
    Practice of leaving the land idle for a period of time
  34. Sustainable farming
    The utilization of all farming practices into a consolidated system that provides for an economic return without undo harm to the ecosystem
  35. Organic farming
    system that prohibits the use of manufactured agrochemicals

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