Effects of Organic Wastes on Olive Mineral Nutrition Ano Its Influence on Fruit Quality. Preliminary Resul Ts for Macronutrients
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چکیده
The effect of pig slurry fertilization on tWQ olive (Olea europaea L. ev. Empeltre) groves has becn studied for ane season. The dosage of landsprayed slurry was 15 and 30 m3hafor a non-irrigatcd olive grove, which was in a bearing year and 30 and 60 m3hat fUT an irrigated grovc in a non-beaTing year. The macronutrient seasonal trend, both young (Iess than ayear old) and old (older than ane ycar), was studied from February until December. The evollltion curves of the macronlltrients from yOllng and old leaves showed the same tendency, although the concentrations in young leaves were usualIy greater [han old ¡eaves, except for calcium. The macronutrient evolution curves of olive fruits have been also studied. The results showed that this kind of fertilizarion did nor lead to significant ¡ncreases in mineralleaf concentrations in this firsr year trial of slurry fertilizarion.
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