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Thread: Yields from Organic Farming Are Comparable, and Often Better Than Those from Conventional Systems

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    Yields from Organic Farming Are Comparable, and Often Better Than Those from Conventional Systems

    The results are in from a 30-year side-by-side trial of conventional and organic farming methods at Pennsylvania's Rodale Institute. Contrary to conventional wisdom, organic farming outperformed conventional farming in every measure.

    There are about 1,500 organic farmers in Saskatchewan, at last count. They eschew the synthetic fertilizers and toxic sprays that are the mainstay of conventional farms. Study after study indicates the conventional thinking on farming - that we have to tolerate toxic chemicals because organic farming can't feed the world - is wrong.

    In fact, studies like the Rodale trials (www.rodaleinstitute.org/fst30years) show that after a three-year transition period, organic yields equalled conventional yields. What is more, the study showed organic crops were more resilient. Organic corn yields were 31 per cent higher than conventional in years of drought.

    These drought yields are remarkable when compared to genetically modified (GM) "drought tolerant" varieties, which showed increases of only 6.7 per cent to 13.3 per cent over conventional (non-drought resistant) varieties.

    More important than yield, from the farmer's perspective, is income, and here organic is clearly superior. The 30-year comparison showed organic systems were almost three times as profitable as the conventional systems. The average net return for the organic systems was $558/acre/ year versus just $190/acre/year for the conventional systems. The much higher income reflects the premium organic farmers receive and consumers pay for.

    But even without a price premium, the Rodale study found organic systems are competitive with the conventional systems because of marginally lower input costs.

    The most profitable grain crop was the organically grown wheat netting $835/acre/year. Interestingly, no-till conventional corn was the least profitable, netting just $27/acre/year. The generally poor showing of GM crops was striking; it echoed a study from the University of Minnesota that found farmers who cultivated GM varieties earned less money over a 14-year period than those who continued to grow non-GM crops.

    Importantly, the Rodale study, which started in 1981, found organic farming is more sustainable than conventional systems. They found, for example, that:

    . Organic systems used 45 per cent less energy than conventional.

    . Production efficiency was 28 per cent higher in the organic systems, with the conventional no-till system being the least efficient in terms of energy usage.

    . Soil health in the organic systems has increased over time while the conventional systems remain essentially unchanged. One measure of soil health is the amount of carbon contained in the soil. Carbon performs many crucial functions: acting as a reservoir of plant nutrients, binding soil particles together, maintaining soil temperature, providing a food source for microbes, binding heavy metals and pesticides, and influencing water holding capacity and aeration. The trials compared different types of organic and conventional systems; carbon increase was highest in the organic manure system, followed by the organic legume system. The conventional system has shown a loss in carbon in recent years.

    . Organic fields increased groundwater recharge and reduced run-off. Water volumes percolating through the soil were 15-20 per cent higher in the organic systems. Rather than running off the surface and taking soil with it, rainwater recharged groundwater reserves in the organic systems, with minimal erosion.

    Organic farming also helps sustain rural communities by creating more jobs; a UN study shows organic farms create 30 per cent more jobs per hectare than nonorganic. More of the money in organic farming goes to paying local people, rather than to farm inputs.

    With results like these, why does conventional wisdom favour chemical farming? Vested interests. Organic farming keeps more money on the farm and in rural communities and out of the pockets of chemical companies. As the major funders of research centres and universities, and major advertisers in the farm media, they effectively buy a pro-chemical bias.

    Still, the global food security community, which focuses on poor farmers in developing countries, is shifting to an organic approach. Numerous independent studies show that small scale, organic farming is the best option for feeding the world now and in the future. In fact, agroecological farming methods, including organic farming, could double global food production in just 10 years, according to one UN report.
    Source http://www.thestarphoenix.com/busine...520/story.html

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    Senior Member Freja_se's Avatar
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    Very interesting and encouraging article.



    Things look very promising and good for organic farming and that makes it more likely that we will see more natural and healthy products in our grocery stores. I hope farmers will read it and decide to turn their farms into ecological ones.

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    I was Green before it was fashionable, and for awhile was really enamored by the propaganda that was out there about organic farming. In some respects I still maintain that the Green movement has good ideas when it comes to agriculture--in essence they are little more than a desire to get back to farming the way it was a century or so ago. But we need to bear in mind that farming is fraught with risk and uncertainty; the success of organic farming is only possible within the structure of an agricultural sector that is still predominantly "conventional". There's no doubt in my mind that a wholesale conversion to organic farming would be ruinous.

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    "They grew three ancient types of wheat- einkorn, spelt, and emmer- which required far less nitrogen than their modern equivalents and, as botanists have determined, contained almost twice as much protein."

    This quote is from a book I own titled: The Celts: Europe's People of Iron.

    Our modern food is suffering from poorer soil conditions, pest/herbicides, hormones/additives, and excessive processing. I would not be surprised if we're already eating cloned meat. It reminds me of the film, Soylent Green starring Charlton Heston where the authorities or government is making a processed food out of humans to feed other humans (unbeknownst to the people of course) in a future where the world population is out of control.

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