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Title

Sunflower response to the application of a concentrated beet vinasse

AuthorsMurillo Carpio, José Manuel ; Cabrera, Francisco ; López Núñez, Rafael ; Martín Olmedo, Piedad
Issue Date1998
PublisherTaylor & Francis
CitationCommunications in Soil Science and Plant Analysis 29(5-6): 643- 655 (1998)
AbstractThe present paper deals with the effect of a concentrated, depotassified, Beta vulgaris L. vinasse [desugared beet molasses, 3.5% nitrogen (N), 2% sodium (Na)] on germination and growth of Helianthus annuus L. Compared to other species [Lepidium sativum L., Sorghum vulgare Pers., Lolium multiflorum Lam., Triticum aestivum L., Hordeum vulgate L., Medicago sativa L. and a wild Melilotus segetalis (Brot.) Ser.], sunflower, and ryegrass, had the smallest in vitro germination indices under both solutions of 0.15 and 0.50% of pure vinasse. However, seedling emergence, plantlet growth, and nutrient content of sunflower grown in pots, in three different soil types, were not negatively affected by the application of a moderate dose of pure vinasse (roughly equivalent to 2-3 t ha-1) at sowing or 30 days before. In a field experiment, the application of a similar dose of vinasse did not have any detrimental effects on sunflower growth, with the acheries reaching similar oil and fatty acid contents under both vinasse treatments (application at sowing and 30 days before) and control. The application of vinasse at sowing can partially avoid losses of N that can take place if the vinasse is applied too far in advance of sowing.
URIhttp://hdl.handle.net/10261/60168
DOI10.1080/00103629809369974
Identifiersdoi: 10.1080/00103629809369974
issn: 0010-3624
e-issn: 1532-2416
Appears in Collections:(IRNAS) Artículos
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