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  1. Bull. Spec. CORESTA Congress, Manila, 1980, p. 58, A10, ISSN.0525-6240

    Influence of nitrogen fertilization on the yield and quality of the Swiss burley

    HERRAN P.; JULMY L.; SPRENBERG E.; MEAN R.; CORBAZ R.
    Ecole cantonale de Grangeneuve, Posieux, Switzerland. Service Romand de Vulgarisation Agricole, Lausanne, Switzerland. Centre de recherches sur le tabac SOTA, Nyon, Switzerland
    Increasing nitrogen doses were applied from 1975 to 1977 on Burley S51 at 2 locations with 8 procedures: I: basic organic fertilization; II: I + 1400 Kg/ha tobacco fertilizer 112 N + 84 P + 270 K; III: II + 50 N Nitrateform; IV: same as III NH4 form; V: ...