Cereals, the world food problem and UK self-sufficiency.
D000383:Agriculture; D000821:Animal Feed; D000818:Animals; D003132:Commerce; D003906:Developing Countries; D004032:Diet; D004467:Economics; D002523:Edible Grain; D005523:Food Supply; D005544:Forecasting; D014943:Global Health; D006801:Humans; D009748:Nutrition Disorders; D006113:United Kingdom