Millions of farmers around the world are growing GM cropsbut here in South Australia, my state government prevents me from doing the same.

Its against the law for my family to take advantage of this safe and proven technology. Yet farmers planted these crops on more than 457 million acres of land last year, according to a new report by the International Service for the Acquisition of Agri-biotech Applications (ISAAA).

Thats a lot of acreage: If all of the GM farmland on the planet were merged into a single area, its territory would comprise the 15th largest country in the world.

However, here on my farm in one of the most advanced nations, we cant use a proven form of agriculture that is employed by as many as 18 million farmers in places like India and South Africa as well as throughout the Americas, from Canada in the north to the southern tip of Argentina.

In Australia, cotton farmers were some of the first in the world to take advantage of biotechnology twenty years ago. Today, virtually all the cotton grown in our country is genetically modified. Access to that technology revolutionized the cotton industry with reductions in pesticides of over 85% resulting in amazing environmental, health and economic improvements. This could be replicated in other crops. Some Australian farmers also have access to GM canola depending on where they live.

The South Australian ban has nothing to do with health or science because GM crops are nutritious to eat and good for the environment. Instead, its all about politicsand the strange fear that biotechnology will corrupt the state of South Australias green image.

What nonsense. Everywhere farmers have taken up GM crops, theyve contributed to agricultural sustainability. Theyve reduced their reliance on herbicides, pesticides, and other chemicals. Theyve made more efficient use of water. And perhaps most important in a world with a booming and urbanizing population, theyve produced more food on less land.

GM crops can even help fight climate change. Our farm, near the town of Kimba, is already in a low rainfall region. Were vulnerable to extended droughts. These factors limit the kinds of crops we can grow: mainly wheat, but also barley, peas, canola, and vetch.

The latest climate-change projections say that even drier and warmer weather looms for South Australia. This means that the challenges of farming here will become more daunting.

Drought and heat tolerant crops, with improved water use efficiency, offer a potential solutionbut only if farmers can plant them. For that to happen, South Australia must lift its harmful ban on GM farming.

Public officials cannot act soon enough. South Australia is home to a couple state-of-the-art research outfits: the Australian Centre for Plant Functional Genomics and the Australian Plant Phenomics Facility, both in Adelaide. The moratorium on GM crops hampers their operations and reduces the potential to attract private capital to support research and development and their ability to retain the talented scientists that agriculture so badly needs.

The ISAAAs new report reveals what were missing. Since their introduction in the 1990s, GM crops have become the fastest adopted crop technology in the world. Even developing countries such as Burkina Faso, Myanmar, and Sudan allow the planting of GM crops.

Ive toured farms that grow GM crops in the United States and Argentina, and Ive seen up close the impressive results that can come from combining agriculture and technology. Im envious of what farmers in these countries have achievedand of what we might achieve here in South Australia, if only we had the chance.

Australias adoption of GM crops is spottyand here in South Australia, where so many people depend on agriculture, its nonexistent.

My husband and I have spent our lives in farming. Weve always sought out new ways to sustainably grow more food. When weve seen promising ideas, weve become early adopters. Today, however, one of the greatest innovations of our time stands before usand we cant make use of it even as millions of farmers around the world already do.

Were approaching retirement age and plan to step back from full-time farming in the next two or three years. GM cropsif we ever get themwill probably come too late for us.

As we strive to leave an environmentally and economically viable farm for the next generation, we hope that our government officials will open their minds, join the growing global consensus, and let younger farmers make their own choices about what to plant on their farms.