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By Jesse  Harvesting cotton in  Australia By Jesse  Harvesting cotton in  Australia

By Jesse Harvesting cotton in Australia - PowerPoint Presentation

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Uploaded On 2020-08-26

By Jesse Harvesting cotton in Australia - PPT Presentation

1 Machinery used to Harvest Cotton Using a cotton picker or spindle picker to harvest your cotton will result in a large round bale of cotton lint mixed with seed which will be ready for further processing As the cotton picker traverses the field rotating rows of barbed spindles in the machine ID: 803497

seed cotton gin picker cotton seed picker gin quality boll bales plant harvest https harvested defoliation ready org criteria

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Presentation Transcript

Slide1

By Jesse

Harvesting cotton in Australia

Slide2

1. Machinery used to Harvest Cotton

Using a cotton picker; or spindle picker to harvest your cotton will result in a large round bale of cotton lint mixed with seed, which will be ready for further processing. As the cotton picker traverses the field rotating rows of barbed spindles in the machine will remove the seed-cotton, as the entire boll from the plant. This will then transfer to the doffer which rotates in the opposite direction and blows; or doffs; the cotton to a collecting basket. Once the basket is full the seed-cotton is transferred to the round baling section or module builder which acts like a large trash compactor that compresses the seed-cotton into a large cube. This can then be stored in a warehouse to await cleaning with a cotton gin.

Slide3

2. How Cotton Picking Machines Work

The cotton picker is a self-propelled machine that removes cotton lint and seed (seed-cotton) from the plant at up to six rows at a time.

Slide4

3. When cotton plants should be harvested

Inside the boll, which is shaped like a tiny football, moist fibers grow and push out from the newly formed seeds. As the boll ripens, it turns brown. The fibers continue to expand under the warm 

sun. Finally, they split the boll apart and the fluffy cotton bursts forth. It looks like white cotton candy.

It is only when this stage occurs that the cotton plant

is ready to be harvested

.

Slide5

4. Defoliation

Defoliation means to strip a plant of its leaves

.Once the cotton crop has matured and ripened, it is treated with a defoliant before it can be harvested. Defoliant is applied to the cotton plants to help the green leaves dry and fall off and to help any of the un-opened cotton bolls to open. This creates less contamination in the cotton samples. Once defoliated, the cotton is ready to harvest.

Slide6

5. Different types of

Cotton

Bales/Modules

Cotton

is picked and put into rounds or module bales.

Then

the cotton is placed into the irrigation drains. Cotton

should be insured

When

cotton is transported on trucks it is weighed on a weigh bridge.

The

gin needs to make sure they have adequate space for the bales of cotton which they are receiving from the farmers. The gin will gin the cotton in the order of when the cotton was received. Farmers will receive a statement that has the number of bales, the merchant details and quality details.

Slide7

6. Management of Cotton Harvesting

in

the Lachlan/ Forbes District

Auscott

– Gin and manage the marketing of the

cotton.

Farmers are given grower bags, which include tickets that have details of how many hectares, which variety of cotton it is, and a ginning statement that has the farmer’s preferred ginning order.

Slide8

7. Quality Testing Cotton

The Australian classers and shippers association grade and manage the sale of the cotton, including the exporting of the cotton

Slide9

8. Quality criteria for Cotton

Cotton is graded on numerous quality criteria. These

include; Colour

- reflectiveness is important. There is a discount if it is yellower. Colour is affected by growing and picking

timing.

Leaf foreign matter

– the gin can assist with removing foreign matter like leaf and seeds. This is controlled by effective defoliation at the correct timing.

Strength.

Micronair

– a measure of fibre fineness and

maturity.

Auscott has a premium and discount schedule.Testing of quality criteria is less subjective and is mostly done mechanically.Australian cotton is valued for its low contamination staple length, strength and micronaire.

Slide10

Bibliography

4. https://en.wikipedia.org/wiki/Cotton_picker

1.

http://www.ehow.com/way_5743470_machinery-used-harvest-cotton_.html

2.

https://www.cotton.org/pubs/cottoncounts/story/how.cfm

3.

https://en.wikipedia.org/wiki/Cotton_picker