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Comprehensive study gives the lie to claims that organic
agriculture cannot feed the world because it gives low
yields and there is insufficient organic fertilizer.
By Dr.
Mae-Wan Ho
Scientists refute common misconceptions about organic
agriculture
Two usual objections are levelled against the proposal that
organic agriculture can feed the world. Organic agriculture,
opponents claim, gives low yields, and there isn’t enough
organic fertilizer to boost yields substantially.
A team of scientists led by Catherine Badgley at the
University of Michgan Ann Arbor in the United States has now
refuted those common misconceptions about organic
agriculture.
Organic agriculture gives yields roughly
comparable to conventional agriculture in developed
countries and much higher yields in developing countries;
and more than enough nitrogen can be fixed in the soil by
using green manure alone [1].
The research team compared yields of organic and
conventional agriculture (including low-intensive food
production) in 293 examples, and estimated the average yield
ratio (organic versus non-organic) of different food
categories for the developed and the developing world. With
the average yield ratios, they modelled the global food
supply that could be grown organically in the current
agricultural land base.
The results indicate that organic
methods could produce enough food to sustain the current
human population, and potentially an even larger population,
without increasing the agricultural land base.
Entire article found here: http://www.i-sis.org.uk/organicagriculturefeedtheworld.php
Other articles on sustainable and organic
agriculture here
http://www.i-sis.org.uk/susag.php
September 2007
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