The development of the profitability and outlay of production of certain tobacco varieties in the years of 1976-1979 [Nicotiana tabacum, Hungary]

costos costs crops cultivos dicotiledoneas dicotyledons eastern europe economic plants europa europa oriental europe europe orientale hongrie hungary hungria monocarpos ornamentales nicotiana nicotiana tabacum ornamental monocarps ornamental plants plantas plantas estimulantes plantas ornamentales plante plante de culture plante ornementale plante ornementale monocarpique plante stimulante plants production costs solanaceae stimulant crops taxa taxon taxonomia taxonomie taxonomy tubiflorae variedades varieties