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These terms define your current search. Click the × to remove a term. Breeding and Genetic Improvement: breeding > plant breeding > variety trials × 104 items, grouped by Government, Law and Regulations (view ungrouped items) government and administration (2)    (Click to View) Wheat grain yield and stability assessed through regional trials in the Eastern Gangetic Plains of South Asia Euphytica (Click to View) Cereal yield trends in northern European conditions: Changes in yield potential and its realisation Field crops research