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

ALAGÖZ Z., KADIGIL G. M., YILMAZ E.

JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT, cilt.8, sa.3-4, ss.1049-1052, 2010 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 8 Sayı: 3-4
  • Basım Tarihi: 2010
  • Dergi Adı: JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.1049-1052
  • Anahtar Kelimeler: Accumulation, nutrient movement, soil fertility, solid transport, tillage, SOIL PROPERTIES, CARBON STORAGE, PREDICTION, VEGETATION, LANDSCAPE, MANGANESE, TILLAGE, IRON
  • Akdeniz Üniversitesi Adresli: Evet

Özet

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 samples (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.