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