"Plant production" . . "Maiszüchtung." . . "Entwicklungsländer." . . "Climate" . . "Technology" . . "Planteforædling" . . "Majs" . . . . . . . . . . . . . . . . . . . . . . . . . "Maize in the third world" . . . . . . . . . . . . "Maize in the Third World" . "Maize in the Third World"@en . . . . . . "Maize in ghe world economy; The maize plant and its uses; Maize production environments and methods in the developing world; Maize research systems in the developing world; Research policy issues; Maize genetic resources; Breeding advances in tropical and subropical maize; Building successful maize seed industries; Improving maize techology delivery systems; Maize research and development: country case studies; Propects for the third world maize economy." . . . . . . . . . . . . . . . . "Seed industry" . . "Mais." . . "Klima" . . "Plant breeding" . . "Uses" . . "Forskning" . . "Frøindustri" . . "Developing countries" . . "Agrartechnik." . . "Anvendelser" . . . . "Genetiske ressourcer" . . "Economia rural." . . "Cantrell, R.P." . . "Economic analysis" . . "Teknologi" . . "Produtos agricolas (aspectos economicos)" . . "Maisproduktion." . . "Cereais." . . "U-lande" . . "Zea mays" . . "Maiswirtschaft." . . "Genetic resources" . . "Planteproduktion" . . "Økonomisk analyse" . . "Research" . . "Maisanbau." . . "Paliwal, R.L." . .