IBR's Washington & Wisconsin Growing Trials Results

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FOR IMMEDIATE RELEASE

IBR's Washington & Wisconsin Growing Trials Results

CANADA, Nov. 23 -/E-Wire/-- International Bio-Recovery Corp. ("IBR") is pleased to announce that independent commercial growing trials of potatoes undertaken in Washington and Wisconsin using IBR granular fertility products resulted in increased yields across all protocols.

During the 2001 growing season, IBR funded over 30 growing trials conducted by recognized independent researchers in order to confirm the value of fertility products produced from IBR's proprietary conversion process. Final results have been received from eight trials conducted on a number of varieties of potatoes in the states of Washington and Wisconsin. The objective of these trials, in conjunction with seven major growers, was to investigate the effect of IBR's granular fertility products on various field and soil conditions coupled with a reduction in nitrogen and phosphorous inputs. The results received have met all of management's expectations in terms of anticipated yield and grade quality.

Yield increases from all tests ranged from 9% to 16% as compared to growers' standard treatment. The potato market is a key target market for IBR fertility products. In the states of Washington and Wisconsin there are approximately 240,000 acres planted annually in potatoes and approximately 1.5 million acres planted in potatoes annually throughout the United States.

A replicate trial undertaken in Wisconsin on a field with a history of potato scab disease also showed IBR had a positive effect on boosting resistance to potato scab and in turn improving grade quality. Scab is a serious problem in many areas of potato production and often fields are not planted due to a known scab problem. At harvest, the control had an 81% infestation rate as compared to 41% in IBR treated plots. A harvest that shows 80% or more infected potatoes will often be abandoned due to the cost of separation. Since all input costs have been incurred prior to confirming that a field is infected, IBR's results could have a significant financial impact for growers with susceptibility to scab infection.

In Washington State, IBR granular product was applied on Lasoda potatoes grown for fresh market sales. The IBR protocol called for reduced nitrogen inputs of 20 - 40% and reduced phosphorous inputs of 40 to 50% as compared to the growers' standard treatment. Application of 150 lbs/acre of granular product generated production yield increases to the grower of 12 - 14%. This increase, in this year's market conditions, generated average additional revenue per acre of US$1,030. This increased revenue is in addition to the cost saving of reduced nitrogen and phosphate costs. Most states either have, or are considering, some type of legislation to regulate phosphate applications. Results from trials in Oregon and California involving liquid only and liquid in combination with granular products are expected to be available soon. Management expects these trial results to create significant commercial demand for our products for the spring 2002 planting as results are shared with all major potato producers.

International Bio-Recovery Corporation (www.ibrcorp.com) is an innovative environmental biotechnology company setting the global standard for the management of organic waste and the development of commercial microbial products to increase crop yields, prevent plant disease and dramatically reduce the world's agricultural dependence on chemicals.

IBR is a publicly listed company trading on the Canadian Venture Exchange under the symbol IBR.

On behalf of the Board,

Frank Dixon, President & Chief Executive Officer

The Canadian Venture Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of the content of this news release.

International Bio-Recovery Corporation

http://http://www.ibrcorp.com

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