1. Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 130, APOST4, ISSN.0525-6240

    The evolution of fundamental ecological regimes of energy in the tobacco culture for Burley in Middle Transylvania

    FILIP F.; PAUNESCU A.D.; VASU A.; SECELEANU I.; CIRNICI M.
    Academy of Agricultural and Forestry Sciences, Bucharest, Rumania.
    Expression of biomass production is largely influenced by three fundamental ecological regimes : energy, humidity and nutrition. The maximum output of biomass is only achieved when all three fundamental ecological regimes are optimal. In order to...
  2. Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 136, APOST10, ISSN.0525-6240

    Chemical control of the weeds on the fields of Oriental type tobacco in Rumania

    PAUNESCU A.D.; CIRNICI M.; PAUNESCU M.; UDRESCU E.
    Academy of Agricultural and Forestry Sciences, Bucharest, Rumania.
    The losses due to the weeds on the fields of Oriental type tobacco can reach the level of 50%; this problem requires a reasonable usage of the herbicides and cultivations. Thorough researches were made on the cultivar Djebel 292, between 1987 and...
  3. Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 141, P1, ISSN.0525-6240

    The abundance of Epitrix hirtipennis (Melsheimer) and damage to tobacco in Greece

    LYKOURESSIS D.P.; MENTZOS G.
    Agricultural University of Athens, Lab. of Agricultural Zoology and Entomology, Athens, Greece.
    Epitrix hirtipennis (Melsheimer), is a new pest for tobacco in Greece. It invaded Western Greece, very likely through transport, from Italy. Up to now this species is widespread in tobacco growing places of Central Greece. It can develop large...