Some agricultural characteristics of soils in eastern-northeastern slopes of a volcanic cone: Şebinkarahisar Dikmen Hill (Giresun, Turkey) example
Abstract
This study was conducted with the aim to determine
some agricultural characteristics of volcanic soils located on the slopes of a
volcanic area and to give a preliminary idea for studies to be done. For this
purpose, some agricultural characteristics of volcanic soils located on the
eastern-northeastern slopes of Dikmen Hill, a volcanic cone, were determined.
According to the analysis results of the 24 samples taken as surface soil (0-30
cm), the vast majority of the specimens were in the clay texture class.
Available water values ranged from 1.11% to 41.45%. The great majority of soils
classified as entirely non-saline had neutral and slightly alkaline soil
reactions. The amount of lime ranged from 0.55% to 46.02%, while the content of
organic matter ranged from 0.70% to 3.97%. There were no potassium, calcium and
magnesium deficiencies in the soil where deficiencies were found in terms of
total nitrogen and phosphorus. Iron content is high in almost all soils where
there was no deficiency in terms of copper. Zinc, manganese and boron
deficiencies were identified. The findings suggest that proper fertilization
programs should be prepared according to the macro and micro nutrient
requirements before engaging in agriculture in the study area soils.
Keywords
Volcanic soils,volcanic cone,agricultural characteristics,soil fertility
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