Leslie Massey
Rice is a staple food for more than half of the world's population, yet less than 10% of all the rice grown on the planet is traded internationally. Australia is one of the few countries that produce medium-grain rice, with 80% of its production consisting of Japonica varieties, which are adapted to Australia's temperate climate. The remaining 20% is made up of long-grain Indica varieties, which are more commonly grown in tropical climates like Southeast Asia. Australia's rice production is centred in the Riverina region of New South Wales, where the climate and soil conditions are ideal for growing high-quality rice.
| Characteristics | Values |
|---|---|
| Region | Riverina in Southwest New South Wales, Murrumbidgee and Murray Valleys of southern New South Wales, northern Victoria, and the tropics of north Queensland |
| Annual Production | 750,000 tonnes |
| Rice Types | Medium grain Japonica (80%), long grain Indica (including fragrant rice), and shorter grain varieties |
| Popular Varieties | Amaroo, Millin, Langi, and Koshihikari |
| Farm Size | Average of 400 hectares |
| Water Usage | 50% less water than the global average |
| Irrigation Source | Murray Darling Basin |
| Soil Type | Clay-based, heavy soils with high water-holding properties |
| Harvest Cycle | Three weeks |
| Moisture Content | Optimum 18-22% |
| Export Destinations | Japan, Southeast Asia, the Middle East, America, and New Zealand |
| Farm Techniques | Laser-guided land levelling, mixed farming with crops and livestock |
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What You'll Learn
Rice species and grain types
Rice is generally divided into two types of species: Indica and Japonica. Indica rice is adapted to tropical climates like those found in Southeast Asia and is characterised by long, slender grains that remain separate and fluffy once cooked. Japonica rice, on the other hand, is adapted to more temperate climates like Australia and has smaller, round grains that are softer, stickier, and moister when cooked. The Australian rice industry primarily produces Japonica types of rice, although some Indica characteristics have been introduced through rice-breeding programs.
In Australia, medium-grain Japonica varieties are the most common, constituting 80% of the country's rice production. These varieties are well-suited to Australia's temperate climate, which experiences high summer temperatures without the humidity of tropical climates. Amaroo and Millin are the most popular medium-grain varieties, and Australia also produces shorter-grain Japonica varieties such as Koshihikari, specifically for the Japanese market.
The remaining 20% of Australia's rice production consists of long-grain Indica type varieties, including fragrant rice. Langi is the largest-selling long-grain variety in Australia. While Indica rice typically has a fluffy texture, some long-grain varieties like Basmati, which is native to India and Pakistan, are known for their light and fluffy texture, making them ideal for curry-based dishes.
In addition to the domesticated varieties, Australia is also home to wild rice populations, particularly in northern Australia, where they have been isolated from the impact of domestication in Asia. These wild rice species include Oryza meridionalis and Oryza rufipogon, and they possess desirable traits such as large grain size, unique starch properties, and disease resistance. However, the domestication of these wild rice species is challenging due to their extreme proneness to shattering.
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Rice growing regions
Rice growing in Australia is highly dependent on water availability and suitable soil types. The Murrumbidgee and Murray Valleys of southern New South Wales, known as the Riverina, are the primary rice-growing regions in the country. The Riverina's climate and heavy clay-based soils are ideal for producing high-quality rice. The warm temperatures, long summer days, and high water-holding capacity of the soil provide optimal conditions for rice cultivation. Additionally, the region has well-developed irrigation infrastructure, making it the highest-yielding rice area in the world.
The Murray-Darling Basin, specifically the Murrumbidgee, Coleambally, and Murray Valley districts, is a significant rice-growing area within the Riverina region. These districts have flat land and clay-based soils suitable for rice cultivation. The average size of an Australian rice farm is around 400 hectares, and most farms use laser-guided land-levelling techniques to manage water flow effectively. The main irrigation districts in the Murray-Darling Basin contribute substantially to Australia's rice production, with the availability of irrigation water being a critical factor.
The Northern Rivers region in the northeastern corner of New South Wales is another unique area for growing rice. This region, including towns like Byron Bay, Lennox Head, and Ballina, is known for its fertile floodplains and high rainfall, making it conducive to dryland rice cultivation. The Northern Rivers receives an average of over 1000 mm of rainfall annually, with 700 mm falling during the growing season for dryland rice (November to April). The warm nighttime temperatures and waterlogged conditions from flooding create an ideal environment for rice to thrive.
While rice growing is predominantly associated with the Riverina and Northern Rivers regions, there are also small areas of rice cultivation in northern Victoria and the tropics of north Queensland. Additionally, Western Australia's East Kimberley region, specifically the Ord River Irrigation Area (ORIA), has been identified as a potential rice-growing area due to its suitable soil types, warm climate, and availability of irrigation water. However, rice blast, a significant rice disease, halted the industry in northern Western Australia in 2010.
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Rice farming processes
Rice farming in Australia is a sophisticated and efficient process, with farmers adopting modern techniques to maximise yields. The process can be broadly divided into four stages: preparation, planting, growing, and harvesting.
Preparation involves selecting the best paddocks and using techniques like laser-guided land levelling to prepare the ground for production. This technique allows farmers to precisely control the flow of water on and off the paddock, improving water management. The Riverina region in southwest New South Wales, the primary rice-producing region in Australia, is known for its ideal climate and soil conditions for rice cultivation.
During the planting stage, rice seeds are planted using direct drilling methods at a depth of 30mm, usually in October-November. Water is applied in December. Rice growing is entirely dependent on water availability, and Australian rice plants are grown using 50% less water than the global average. The availability of water, along with flat land and suitable clay-based soils, makes the Riverina region ideal for rice cultivation.
The growing stage involves the careful management of water and the adoption of crop rotation techniques. Rice farmers in Australia often grow rice in rotation with other crops like wheat, barley, and canola. This farm planning helps in efficient natural resource management and ensures an effective rotational system.
Finally, the harvesting stage involves cutting and collecting the rice plants when the moisture content is at an optimum level of 18-22%. The harvest cycle takes about three weeks. After harvesting, the rice grains are analysed in a lab to ensure they meet national standards, and then they are packaged and prepared for export or stored for use as seed for the next season's crop.
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Rice exports
Australia exports rice to Japan, Southeast Asia, the Middle East, and America. The Port of Melbourne, Australia's largest general cargo and container port, is one of the main ports from which Australian rice is exported. In FY24, approximately 237,000 tonnes of rice exited the port, making it the 12th largest export in terms of overseas export tonnage. This figure represents a notable increase of over 620% since FY21, when rice exports experienced poor seasonal conditions.
The Australian rice industry is renowned for its high-quality Japonica rice, which is highly sought after in international markets. This type of rice is adapted to the temperate climate of Australia and constitutes 80% of the country's rice production. The remaining 20% is made up of long-grain Indica type varieties, including fragrant rice. Australia also produces shorter-grain varieties, such as Koshihikari, specifically for the Japanese market.
The Riverina region in southwest New South Wales is the largest rice-producing region in Australia, yielding an average of 750,000 tonnes of rice each year. The region's temperate climate, clean environment, and fertile soils make it ideal for growing rice. The Riverina's heavy soils have high water-holding properties, providing the rice plants with sufficient water while minimising losses due to soil seepage. Additionally, the region's summer sunshine and warm temperatures create favourable conditions for the rice to thrive.
Rice growing in Australia is a water-intensive process, and the industry leads the world in water use efficiency. Australian-grown rice uses 50% less water than the global average. The irrigation water used for rice cultivation in the Riverina region is supplied from the Murray-Darling Basin.
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Rice water usage
Rice growing in Australia is highly dependent on water availability, and the country's rice industry leads the world in water use efficiency. Australian-grown rice uses 50% less water than the global average. This is partly due to the country's heavy clay soils, which have high water-holding properties, allowing rice plants to access sufficient water while minimising losses due to soil seepage.
The Murrumbidgee and Murray Valleys of southern New South Wales, also known as the Riverina region, are the primary rice-growing areas in Australia. The Riverina region is known for its ideal rice-growing conditions, including flat land with suitable clay-based soils, water availability, and long summer days. The Riverina region's summer sunshine and warm temperatures also provide the right conditions for rice to flourish.
Rice is typically grown in bunded fields that are continuously flooded to ensure sufficient water and control weeds. Continuous flooding generally provides the best growth environment for rice. After transplanting, water levels should be around 3 cm initially and then gradually increased to 5-10 cm as the plants grow. The fields are then drained 7-10 days before harvest.
The amount of water required to produce 1 kg of rice varies depending on soil type and other factors, ranging from 800 to 5000 litres, with an average of 2500 litres. In California, rice producers maintain a continual flow of water through their fields to keep the water level uniform and prevent salt build-up in the soil.
To maximise rice yields and effectively manage water usage, farmers can implement various water management practices. These include constructing field channels to control water flow, preparing the land to minimise water loss, and adopting water-saving techniques such as Alternate Wetting and Drying (AWD), Saturated Soil Culture (SSC), and the System of Rice Intensification (SRI).
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Frequently asked questions
Rice is grown in the Murrumbidgee and Murray Valleys of southern New South Wales, collectively known as the Riverina. Riverina is the largest rice-producing region in Australia, producing 750,000 tonnes of rice each year. Rice is also grown in small areas of northern Victoria and the tropics of north Queensland.
Australian rice growers specialise in medium-grain Japonica rice, which is adapted to Australia's temperate climate. This is a niche variety only grown in a few countries. However, Australia also grows long-grain Indica rice, including fragrant rice.
Rice growing in Australia is a sophisticated and efficient process. Rice farmers use a range of techniques to maximise water efficiency, such as laser-guided land levelling, and operate under strict environmental controls. Rice seeds are planted by direct drilling methods at a depth of 30mm, and water is applied in December.
Australian rice is exported to Japan, Southeast Asia, the Middle East, New Zealand, America, and East Asia.
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