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Showing items 43300 through 43308 of 73427.This audiotutorial unit (cassette, printed script, 76 color slides, study guide, self-evaluation test), prepared by the Communications Support Unit at CIAT, is available for use with a manually or automatically synchronized slide projector/cassette tape reccorder.
Uncaria tomentosa and U. guíanensis have been important in traditional healing in many South American countries. These species contain some sixty active substances which are widely tested for possible medical treatments. U.
Variations in availability and nutritional quality of feed resources in the tropics affect cattle production under smallholder production systems. This results in undernutrition of cattle because of fluctuations in feed and nutrient supply.
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