The Philippine agricultural research system already collaborates with the International Rice Research Institute (IRRI) on evaluation of iron-dense rice lines in areas of mutual interest and expertise, particularly in the field testing of the lines developed at IRRI. High and stable grain yields are required of these lines if they are to receive approval for release. If lines are to be released for their superior nutritional content, then higher levels of micronutrient content and demonstrable bioavailability also need to be established.
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