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| Author(s): | Morisot, Alain;
Tournier, Jean-Paul |
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| Author Affiliation: | Station d'Agronomie, INRA, France |
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| Title: | Répercussions agronomiques de l'epandage d'effluents at déchets de moulins á huile d'olive. |
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| Translated Title: | Agronomic consequences of spreading effluents and wastes from olive oil mills |
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| Source: | Agronomie. Vol. 6, No. 3, 1986, p. 235-241. |
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| Publishing Information: | Paris, France |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Effluents; Lolium
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| Abstract/Contents: | "The agronomic effects of land disposal of waste from olive oil crushers were studied. Experimental crops of rye-grass were grown in pots in the greenhouse, and nitrogen mineralization trials were carried out. The input of the equivalent of 40 mm (40 l/m2) of waste on an established rye-grass crop, resulted in a 45% decrease in yield. When the rye-grass was sown immediately after the input of waste (amounts equivalent to 40 and 80 mm) the dry matter yield equaled one third of the reference yield. These negative effects could be explained by the very high salinity of these effluents, their acidity, the possible presence of polyphenols or other toxic biodegradable substances and a lack of nitrate nitrogen. Rye-grass sown 45 days after the input of waste showed positive effects (significant for 5 out of 10 crops). Soil analyses revealed an increase in the amount of exhangeable potassium. Nitrogen mineralization, nor nitrification inhibition could be ascribed to the waste from the olive oil crusher, within the conditions and amounts studied. So, the disappearance of nitrate nitrogen could be attributed to denitrification or reorganization." |
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| Language: | English
French |
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| References: | 16 |
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| Note: | Summary as abstract
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Morisot, A., and J. P. Tournier. 1986. Répercussions agronomiques de l'epandage d'effluents at déchets de moulins á huile d'olive.. Agronomie. 6(3):p. 235-241. |
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