Journal of Food, Agriculture and Environment

Evaluating spatial redistribution of plant nutrients along a slope in an arable field in the Mediterranean region, Turkey

Author(s):

Z. Alagöz ^1*, G. Melli Kadıgil ¹, E. Yılmaz ²

Recieved Date: 2010-07-11, Accepted Date: 2010-10-27

Abstract:

The objective of this study was to evaluate spatial redistribution of plant nutrients along a slope in a cultivated field. For this aim, a total of 25 soil sample (at 0-25 cm) were taken from a 1200 m long altitudinal transect elevation ranging from 1111 to 1068 m in a cultivated field in the Mediterranean landscape in Turkey. The variations of available N (p<0.01), exchangeable K (p<0.001), Ca (p<0.001) and Mg (p<0.001), and extractable Mn (p<0.01), Zn (p<0.01) and Cu (p<0.001) with slope position were statistically significant, while extractable P and Fe which had similar trend did not have significant correlations. K and Mg showed an increase along the slope reaching the highest values at the middle slope position while N, Mn and Zn showed nearly a linear increase with similar trends. Ca also increased as in the case of K and Mg but it showed a decrease on the middle slope position. Cu showed an excellent linear increase from the upper slope through lower slope position. Significant differences of plant nutrients along the slope are a result of leaching process, sediment detachment and deposition caused by water erosion and tillage operations.

Keywords:

Accumulation, nutrient movement, soil fertility, solid transport, tillage

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Journal: Journal of Food, Agriculture and Environment
Year: 2010
Volume: 8
Issue: 3&4
Category: Environment
Pages: 1049-1052

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