July 20, 2009….Ames, Iowa. Increasingly, the term “sustainable” is used to describe desirable systems in agriculture. But what does the term really mean, and how does it apply to U.S. crops? CAST’s newest Special Publication—Sustainability of U.S. Soybean Production: Conventional, Transgenic, and Organic Systems—defines sustainable agriculture and evaluates its implications in the production of U.S. soybeans.
Soybean production has changed in the United States since its first introduction in the mid-1800s. Initially, the crop was produced mainly for forage and received only minimal inputs. Today, soybeans have become a major source of protein in animal diets and vegetable oils for human consumption. In 2002, 68% of the 75.4 million U.S. soybean acres were planted to transgenic varieties compared with 92% of the 75.7 million soybean acres planted in 2008.
With this dramatic change in mind, the United Soybean Board (USB) requested that CAST provide a comprehensive literature review that would evaluate U.S. soybean production systems currently in use with respect to their environmental and economic sustainability. This new CAST Special Publication documents the ecological and economic implications of U.S. soybean production in conventional, transgenic (biotech), and organic production systems.
“Development of technology that supports soybean production in the United States has been and continues to be robust in both the genetics and production/management areas,” says Project Manager Dr. Larry Heatherly, agronomic advisor, Seymour, Tennessee. “Development of new technology that will be needed to address anticipated future soybean production issues depends on the continued vigor of this public and private research and development effort.” “The combined efforts of each scientist on the 12-member Task Force are reflected in the quality of this critical review,” concludes CAST Executive Vice President/CEO Dr. John M. Bonner. “CAST is pleased to contribute to the growing body of literature on sustainable agriculture.”
The full text of Special Publication 30 is available in hardcopy ($18.00, plus shipping) and electronically ($10.00), along with many of CAST’s other scientific publications, by contacting the CAST Office at 515-292-2125 or accessing the CAST website at www.cast-science.org. CAST is an international consortium of 34 scientific and professional societies. It assembles, interprets, and communicates credible, science-based information regionally, nationally, and internationally to legislators, policymakers, the media, the private sector, and the public.
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