History and origin of maize; The economic and social importance of maize; The botany of maize; Cytogenetics of maize and maize breeding; Maize cultivation; The nutrient requirements of maize; Fertilizers and manures; Special features of maize cultivation in the main producing countries; The maritime - influenced regions of Europe; The Eurasian Continental Region; North and Central America; South America; Azia; Africa; Oceania.