Determination of Quality Parameters of Podzolic Soils Under Different Land Use

Abstract

The aim of this study is to evaluate the status of podzolic soils commonly found in the Eastern Black Sea Region, under different land use conditions in terms of soil quality parameters. Cultivated area used for tea garden, meadow and forest lands were determined as the study area. The soil profiles for each determined lands were excavated and defined. The study was done with soil samples taken from each horizonsof profiles. Some chemical and physical analyses were carried out with these samples based on soil quality parameters. In this study, the texture, soil acidity, lime contend, organic material, electric conductivity, cation exchange capacity, exchangeable cation, nitrogen, phosphorus, microelement, particle density, aggregate stability, hydraulic conductivity of these soil samples were evaluated. As a result of these evaluations, it is found all land use types has high land quality. On the other hand, it was also determined that the soil quality of meadow and forest lands were higher than the tea cultivating lands.

Keywords

• Soil,Soil quality,Soil quality index,Podzolic soils

Farklı Arazi Kullanımı Altındaki Podzolik Toprakların Kalite Parametrelerinin Belirlenmesi

Öz

Bu çalışmanın amacı Doğu Karadeniz Bölgesinde yaygın olarak bulunan podzolik toprakların farklı kullanım koşulları altındaki durumlarını toprak kalite parametrelerine göre değerlendirmek amacıyla yürütülmüştür. Rize ili sınırları içerisinde çay tarımı yapılan arazi, çayır ve orman örtüsüyle kaplı araziler çalışma alanı olarak belirlenmiştir. Belirlenen her bir arazide toprak profili açılmış ve profil tanımlaması yapılmıştır. Alınan toprak örnekleri ile toprak kalitesini belirleyen parametrelere göre çeşitli kimyasal ve fiziksel analizler yapılmıştır. Araştırmada, alınan toprak örneklerinin tekstür, toprak reaksiyonu, kireç, organik madde, elektrik iletkenliği, katyon değişim kapasitesi, değişebilir katyon, azot, fosfor, mikroelement, tane yoğunluğu, agregat stabilitesi, hidrolik iletkenlik durumları değerlendirilmiştir. Yapılan değerlendirmeler sonucunda arazi kullanım şekline göre her üç şekilde kullanılan arazilerinde değerledirilen 4 farklı yöteme göre kaliteli oldukları görülmüş olup; çayır ve orman örtüsüyle kaplı arazilerin toprak kalitesinin çay tarımı yapılan araziye göre daha yüksek olduğu belirlenmiştir.

Anahtar Kelimeler

• Toprak kalitesi,Toprak kalite indeksi,Podzolik topraklar

Kaynakça

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