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How grain nutrient analysis is improving nutrition programmes

How grain nutrient analysis is improving nutrition programmes >More in © Tim Scrivener The first year of comprehensive grain nutrient analyses from farms taking part in the YEN Nutrition initiative suggests there is a substantial “farm factor” difference between participants, alongside high numbers of grain samples below the phosphorus level thought to be required for yield not to be limited. The results also seem to suggest regional clusters of nutrient deficiencies of some key macronutrients (see panel). YEN Nutrition involved about 150 farms providing grain samples, usually from six fields, of any crop for grain nutrient analysis, explains Roger Sylvester-Bradley, head of crop performance at Adas, who leads the Yield Enhancement Network (YEN).

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