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  1. Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 70, AP24, ISSN.0525-6240

    Competition between barnyardgrass (Echinochloa crus-galli L. Beauv.) and Virginia tobacco : effects on growth, nitrogen uptake and yield

    TEI F.; COVARELLI G.
    Istituto di Agronomia Generale, Perugia, Italy.
    Barnyardgrass (Echinochloa crus-galli L. Beauv.) is one of the most important annual grass weeds in Virginia tobacco in Italy. This study was designed to research the effect of the duration of competition on growth, nitrogen uptake and crop yield....