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  1. Bull. Spec. CORESTA Symposium, Taormina, 1986, p. 49, A08, ISSN.0525-6240

    Further research on the influence of weeding and earthing up combined with chemical weed control on Bright tobacco yield

    COVARELLI G.
    Università degli Studi di Perugia, Perugia, Italy
    Two experimental trials were carried out during 1982-83 in the Tiber valley (central Italy) on clayey-loamy soil (32% clay, 26% loam, 42% sand) in order to evaluate the influence of weeding and of earthing up in addition to chemical herbicides on Bright ...
  2. Bull. Spec. CORESTA Symposium, Taormina, 1986, p. 92, S05, ISSN.0525-6240

    Contribution to the study of chemical compounds from tobacco leaf biostructure

    GAIVORONSKI B.S.
    Central Research Station for Tobacco Culture and Industrialization, Bucharest, Romania.
    The behaviour of some chemical compounds (alkaloids, sugars, proteins, polyphenols, enzymes etc.) during the technological process of tobacco leaves constitutes the object of numerous research works. These researches were done in accordance with the ...