Seasonal fluctuation and intracanopy variation in leaf nitrogen level in olive (CROSBI ID 96948)
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Perica, Slavko
engleski
Seasonal fluctuation and intracanopy variation in leaf nitrogen level in olive
Seasonal fluctuation and intracanopy variation in leaf nitrogen (N) of bearing olive (Olea europaea L.) was assessed. The N concentration was high and stable during the wintertime (about 1.8%dwt). With the advancement of vegetative growth and reproductivede development, N concentation in the leaves decreased sharply, reaching the lowest value (about 1.45 to 1.50%dwt) in summer months June, July and early August, coincident with early fruit development. Among intracanopy factors studied, the largest single infuluence on N concentration was light exposure. Thus on average, over all leaf types and canopy heights, leaves from the south side of the tree had 11.8% more N than north side leaves. Consistencies with regarding sampling time, canopy locations, height, and nodal position of the leaf are critical for diagnosis of N status in the olive.
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