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The Sustainable & Organic Farming Increase Crop Yields by 79% in the Developing World
TheSustainable & Organic Farming Increase Crop Yields by 79% in the Developing World
GM Watch Daily, Dec 7, 2006
from http://www.gmwatch.org
EXTRACT: Scientists found that techniques such as crop rotation and organic farming increased crop yields by an average of 79%, without risking future harvests.
The study, possibly the largest of its kind, looked at more than 280 projects in 57 of the world's poorest countries.
GM WATCH COMMENT: These findings are nothing new. As New Scientist commented back in 2001:
"Low-tech 'sustainable agriculture,' shunning chemicals in favour of natural pest control and fertiliser, is pushing up crop yields on poor farms across the world, often by 70 per cent or more...
A new science-based revolution is gaining strength built on real research into what works best on the small farms where a billion or more of the world's hungry live and work... It is time for the major agricultural research centres and their funding agencies to join the revolution." - New Scientist editorial, February 3 2001
And still the poor wait... How much more money is going to be poured down the drain trying to poor-wash GM crops? ---
--- Eco-farming 'helps world's poor'
By Mark Kinver
BBC News science and nature reporter
BBC News, 15 February 2006 news.bbc.co.uk/1/hi/sci/tech/4716224.stm
Sustainable farming methods can help the poorest farmers in developing nations out of poverty, new research suggests.
Scientists found that techniques such as crop rotation and organic farming increased crop yields by an average of 79%, without risking future harvests.
The study, possibly the largest of its kind, looked at more than 280 projects in 57 of the world's poorest countries.
The findings appear in the journal Environmental Science and Technology.
The team of international scientists who carried out the four-year project found that the farmers enjoyed improved crop productivity, while reducing their use of pesticides and water.
Healthy soil
One of the report's co-authors, Professor Jules Pretty from the University of Essex, UK, said the findings challenged the dominate view that the West knew best when it came to agriculture.
"Most people think it is bad news from the south," Professor Pretty said, "but in many ways farmers in developing country are leading the way."
The researchers found methods that did not have an adverse effect on local biodiversity allowed farmers to reap the rewards of growing crops in healthy soil.
"People are using a variety of integrated pest management techniques; making the best of biodiversity like predators, parasites and multiple cropping," Professor Pretty told the BBC News website.
"In essence, it allows the ecosystem to deliver the pest management services."
This approach paid dividends, he said, because it not only cut the use of pesticides but also resulted in farmers having to spend less of their income on chemicals.
Healthy soil also required less water to cultivate crops, he added: "All crops need water, but soils that are higher in organic matter are better at holding water.
"If you have diverse and higher soil quality then it is better prepared to deal with drought conditions when access to water becomes a critical issue."
Figures from the World Health Organization (WHO) show that many environmental benefits - clean air and water, stable climate - are being lost through unsustainable farming practices.
Professor Pretty hoped the data would act as a catalyst for governments and national organisations to adopt better land management.
"One of the key things from all of this is that an awful lot of this happened without any direct policy input," he said.
"If there was more central support then we would expect to see these sorts of techniques and ideas spread more rapidly."
The researchers admit that uncertainty remains as to whether these farming methods can meet the growing global demand for food.
But they concluded that they were cautiously optimistic it could help the world's poorest farmers out of poverty.
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