Lyla Lindsey
Cotton is a natural fibre that is grown in more than 100 Australian communities, with approximately 90% of the country's cotton businesses being family farms. Australia's cotton industry is one of the most water-efficient in the world, and it employs more than 7,000 people. In this article, we will explore the process of cotton production in Australia, from field preparation and planting to harvesting and processing, highlighting the key techniques and technologies employed by Australian cotton growers.
| Characteristics | Values |
|---|---|
| Where is cotton grown in Australia? | New South Wales, Queensland, Northern Victoria, Northern Western Australia, and the Northern Territory |
| When is cotton planted in Australia? | Spring |
| How is cotton picked in Australia? | Large mechanical harvesters |
| What is the weight of a cotton bale in Australia? | 227 kilograms |
| How many cotton farms are there in Australia? | 1,500 |
| How many people does the Australian cotton industry employ? | 7,000+ |
| How much cotton does Australia produce in a year? | Enough to clothe 500 million people |
| How water-efficient is the Australian cotton industry? | 6-7 megalitres per hectare |
| How has water-use productivity by Australian cotton growers improved since 1997? | 52% |
| How much water was used to produce one bale of cotton in 2021 compared to 1997? | Less than half |
| What percentage of insecticide use has decreased since 1992? | 97% |
| What is the Environmental Toxic Load (ETL) for bees? | Decreased by 18.2% from 11 to 9 in the four years leading up to 2018 |
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What You'll Learn
Cotton farming in Australia
Cotton is grown in more than 100 Australian communities, with approximately 1,500 cotton farms across the country. The main cotton-producing areas are central and southern Queensland, northern, central and southern New South Wales, northern Victoria, and small areas of northern Queensland, northern Western Australia, and the Northern Territory. About 90% of Australia's cotton businesses are family-owned farms, which produce around 80% of the crop.
Cotton is planted in the spring, as soon as the soil is warm enough for seed germination and crop establishment. The soil temperature should be at least 14 degrees Celsius, measured at 8 am AEST, with a rising temperature forecast for the seven days after planting. Cotton seeds emerge from the ground between five and 14 days after planting, depending on soil temperature and moisture. Growers check the soil temperature and moisture regularly and undertake pre-watering if necessary. Fields are prepared for planting, and weeds are controlled. Most growers leave their cotton stubble in the field and mulch it back into the soil to add valuable nutrients. Refuge crops are also established to help slow down resistance to Bt proteins from evolving in the pest population by producing susceptible Helicoverpa moths.
Once the cotton plants have grown into green, bushy shrubs about one metre in height, they briefly grow pink and cream-coloured flowers. Once pollinated, these flowers drop off and are replaced with fruit, known as cotton bolls. Inside the boll is fluffy, white lint and cotton seeds. When the bolls crack open, revealing the lint, the cotton is ready to be picked. In Australia, this is done with large mechanical harvesters, and the cotton is gathered into large, round, wrapped modules.
After harvesting, the modules are sent to a cotton gin for processing. During the ginning process, the lint is separated from the seeds and pressed into rectangular bales weighing 227 kilograms each. Cotton classing sorts the fibre into different quality-based grades, with higher-quality fibre earning a higher grade and price. Once the bales are ginned, pressed, and containerised, they are loaded onto trucks and trains and sent to ports for shipping, mostly to overseas markets. Australia is one of the world's largest exporters of raw cotton, with more than 90% of production exported, primarily to Asian spinning mill customers in China, Indonesia, Thailand, South Korea, Japan, Taiwan, Pakistan, and Italy. In an average year, Australian cotton growers produce enough cotton to clothe 500 million people.
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Cotton picking and processing
Cotton is an annual summer crop in Australia, with the growing season lasting approximately six months, starting in September/October (planting) and ending in March/April (picking). Once the cotton seeds are planted, they emerge from the ground in 5 to 14 days, depending on soil temperature and moisture.
Before the cotton is ready to be picked, agronomists check the crop to ensure it is ready for picking. Then, defoliation is carried out to remove the plant's leaves and crack the bolls open. Growers usually harvest the cotton crop once most bolls have opened and fully matured. It is important that the cotton is dry when picked, or discolouration may occur and reduce quality.
When the cotton is ready, it is harvested with large mechanical harvesters that drive along the rows, pulling the fibre from the plant. The remainder of the plant is then mulched back into the soil. The raw/seed cotton is packed into large, round, wrapped bales ('modules') to be collected and sent to a cotton gin for processing. Each bale weighs approximately 227 kg.
During the ginning process, the seed is separated from the lint, and waste such as leaves and sticks are removed. The ginned cotton is then pressed into bales. The cottonseed is a valuable by-product, used as a high-protein livestock feed, and also crushed to make oil for cooking and other products.
After the cotton has been ginned, pressed, and containerised, it is loaded onto trucks and trains and sent to ports for shipping, mostly to overseas markets. Cotton classing sorts the fibre into different quality-based grades, with higher-quality fibre earning the grower a higher price.
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Cotton's impact on the environment
Cotton is a natural, renewable, and biodegradable fibre that has been a key part of the Australian agricultural landscape for over a century. While it is a versatile and useful crop, it is important to consider its environmental impact, especially given the scale of cotton production in Australia. The country is the sixth largest exporter of cotton in the world, with around 95% of the crop grown in Queensland and New South Wales.
The production of cotton can impact the environment in several ways, and these effects are felt across the entire lifecycle of the crop, from its planting to its eventual disposal. One of the key issues is the use of water. Cotton is a water-intensive crop, and in Australia, it is primarily grown in areas that are prone to drought and water scarcity. Irrigation is often necessary, and this can lead to over-extraction of water resources, impacting natural habitats and ecosystems, and reducing water availability for other uses and species.
The use of pesticides and fertilizers is another area of concern. Cotton is vulnerable to a range of pests and diseases, and so it is often treated with a variety of chemicals to protect the crop. These chemicals can leach into the surrounding soil and water systems, causing pollution and reducing biodiversity. They can also contribute to the development of pest and weed resistance, creating further environmental challenges.
The processing of cotton can also have environmental consequences. The ginning process, which separates the cotton fibre from the seed, produces a range of by-products, including lint, motes, and gin trash. If not properly managed, these by-products can create air and water pollution. The use of energy and resources in the ginning and subsequent textile manufacturing processes also contribute to cotton's environmental footprint.
However, it is important to note that the Australian cotton industry has made significant strides in improving its sustainability practices. Many farmers now use precision agriculture techniques to reduce water and chemical use, and there is a growing focus on integrated pest management and the use of natural predators to control pests. The industry is also investing in research and development to further improve sustainability, with a particular focus on water efficiency and reducing chemical use.
In conclusion, while cotton production can have a range of environmental impacts, the industry in Australia is working to mitigate these effects and improve its sustainability practices. Through the adoption of new technologies and practices, it is possible for cotton to be produced in a way that minimizes its environmental footprint while still providing a valuable and versatile natural resource.
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Cotton's economic impact
Cotton is a major commodity for Australia, and it has a significant impact on the country's economy. It is primarily grown in New South Wales and Queensland, with approximately 90% of cotton businesses being family farms. The industry provides employment for over 7,000 people and generates over $3 billion per year in export earnings. It is a crucial revenue generator, contributing around $1.9 billion annually and supporting regional economies through income generation, employment opportunities, and investments in local communities.
Australian cotton growers have a reputation for good business practices and market savviness, understanding the components that make up the price of their product. They sell their cotton to independent merchants, aiming for the best price, and the merchants then sell it on the world market. The price per bale is dependent on various factors, including the state of the global economy, agricultural politics, fashion trends, synthetic fibre prices, weather, natural disasters, and supply and demand. Prices have ranged from AUD $300 to over $600 per bale, with an average price of $529 per bale between 2013/14 and 2017/18.
The Australian cotton industry is committed to sustainability and has made significant improvements in water efficiency. Water-use productivity has increased by 52% since 1997, and the water used to produce one bale of cotton in 2021 was less than half of that used in 1997. This focus on sustainability, along with advanced technologies and precision irrigation, has established Australia as a global leader in responsible cotton production.
Cotton Australia has also formed partnerships with retailers, brands, manufacturers, and supply chain partners who share their values, including a commitment to reducing environmental footprint and the fair and safe treatment of workers. The industry supports research and development, investing $25 million annually and sustaining over 160 Full-Time Equivalent (FTE) staff members.
In summary, cotton farming in Australia has a substantial economic impact, providing employment, generating export revenue, and contributing to the prosperity of regional communities. It is a highly competitive globalised market, with Australian cotton being exported through ports in Brisbane, Sydney, and Melbourne to meet international demands.
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Cotton's use in products
Cotton is a soft, fluffy staple fibre that grows in a boll, a protective case that encases the seeds of cotton plants. It is a shrub native to tropical and subtropical regions worldwide, including the Americas, Africa, Egypt and India.
Cotton is used to make a wide range of products, from clothing to industrial supplies. In the apparel industry, cotton is used to make various items, including leisure wear, underwear, socks, t-shirts, bed linens, comforters, and blankets. Cotton is also commonly used in baby care products, such as diapers, baby wipes, lotions, body washes, and shampoos. In feminine care, cotton is used in hygiene pads, panty liners, and tampons, either on its own or blended with synthetic materials.
Cotton is also an important component in travel and recreational products, including tents, tarpaulins, fishing nets, cords, and ropes. Additionally, cottonseed oil, derived from crushed cotton plant seeds, is used in soap, cosmetics, and margarine.
In the medical field, cotton linters, the short fibres remaining after ginning, are utilised in x-rays, swabs, cotton buds, and cleanroom suits and supplies. Cotton is also present in pharmaceuticals, rubber, plastics, mattresses, furniture, automobile cushions, and even flat-screen televisions.
Cotton is a significant crop in Australia, with approximately 90% of the country's cotton businesses being family farms. The Australian cotton industry employs over 7,000 people and generates over $3 billion annually in export earnings. Australia's cotton industry is also known for its water efficiency, with a 52% improvement in water-use productivity since 1997.
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Frequently asked questions
Cotton is grown in various regions of Australia, including New South Wales and Queensland. The process involves preparing fields, controlling weeds, adding nutrients, and planting cotton seeds in the spring. Once the cotton plants grow, they are defoliated, and the bolls crack open to reveal the lint. The cotton is then picked, processed at a cotton gin, and pressed into bales for shipping.
Australian cotton growers are known for their water efficiency, with a significant improvement in water-use productivity since 1997. Additionally, biotechnology and integrated pest management strategies have contributed to a substantial reduction in pesticide use.
Cotton is primarily grown in New South Wales and Queensland, with approximately 66% of Australia's cotton produced in NSW and 33% in Queensland. The major production areas in NSW include the Gwydir, Namoi, and Macquarie valleys, while in Queensland, cotton is mainly grown in the Darling Downs, St George, and Dirranbandi regions.
The cotton-growing season in Australia typically starts in September or October with planting and ends in March or April with picking. The season lasts approximately six months.
