Karbon / Azot Oranının Organik Toprakların Bazı Özellikleri Üzerine Etkisi

Yıl 2017, Özel Sayı, 66 - 70, 17.09.2017

Hüseyin Dikici , Rawaz Khasro Qader Ömer Faruk Demir

https://doi.org/10.21657/topraksu.338308

Öz

Bu çalışma C/N
oranının Kahramanmaraş İli, Sağlık Ovası organik topraklarının bazı toprak
özellikleri üzerine olan etkisini belirlemek amacıyla yürütülmüştür. Bu amaç
için alandan 50 adet toprak örneği alınmış, analizleri yapılmış, daha sonra
veri seti hesaplanan C/N oranlarına göre üç farklı gruba ayrılmıştır. Grup 1 en
düşük C/N oranlarına sahip iken grup 3 en yüksek C/N oranlarını içermiştir.
Analizi yapılan toprak özelliklerinden pH, elektriksel iletkenlik, katyon
değişim kapasitesi, kireç içeriği, organik madde, toplam azot, organik karbon
ve bitkice alınabilir P, Mg, Na, Cu, Zn ve Mn konsantrasyonları üzerine C/N
oranlarının etkisi istatistiksel olarak önemli bulunurken, bitkiye yarayışlı Ca
ve K bu değişimlerden etkilenmemiştir. C/N oranı grup 1'den grup 3'e doğru
arttıkça, organik madde, organik karbon, pH, KDK, MVR ve CDFA yöntemleriyle
hümik asit değerleri de artış göstermiştir. Bu sonuçlar C/N oranlarının organik
topraklarda toprak kalitesinin bir göstergesi olarak kullanılabileceğini
göstermektedir.

Anahtar Kelimeler

C/N oranı, humik asit, organik toprak, toprak degradasyonu

Kaynakça

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