Journals / Bartın Orman Fakültesi Dergisi / 2019 / Cilt: 21 - Sayı: 3

Effect of Different Land Uses on Some Properties and N-Mineralization of The Soils (A case study from Rize, Kalkandere)

Farklı Arazi Kullanımlarının Toprakların Bazı Özellikleri ve Azot Mineralizasyonu Üzerindeki Etkisi (Rize, Kalkandere Örneği)

Pages
899–910
Publication Date
2019-12-15
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

It was concluded that natural forests’ soils have had significantly less clay content (p=0,008), EC (p=0,003), bulk density (p=0,003), T0NO3 (p=0,006) and T0NH4+NO3 (p=0,005); more sand content (p=0,006) and T63NH4+NO3 (p=0,007) compared to the other land uses.

📌 3 Key Takeaways

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Objective & Hypothesis:The aim of the present study was to investigate the effect of of land use change on some properties and N-mineralization of the soils.
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Key Findings & Data:For this purpose, 5-different point was sampled in each land use including natural forest, tea plantation, hazelnut and kiwi fields.
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Conclusion & Impact:It was concluded that natural forests’ soils have had significantly less clay content (p=0,008), EC (p=0,003), bulk density (p=0,003), T0NO3 (p=0,006) and T0NH4+NO3 (p=0,005); more sand content (p=0,006) and T63NH4+NO3 (p=0,007) compared to the other land uses.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Kruskal Wallis · Dunn’s Bonferroni · forest

Abstract

The aim of the present study was to investigate the effect of of land use change on some properties and N-mineralization of the soils. For this purpose, 5-different point was sampled in each land use including natural forest, tea plantation, hazelnut and kiwi fields. Total 40 disturbed and undisturbed soil samples were taken from 0-15 cm and 15-30 soil depth in each sample plot. The texture, pH, electrical conductivity, CaCO3 content, bulk density, total nitrogen, C/N ratio and N-mineralization were determined on each soil sample. Non-parametric Kruskal Wallis test was carried out to determine differences in given soil properties according to land uses. Then Dunn’s Bonferroni test was carried out for pairwise comparisons of the land-cover groups. As a result, while the clay content, pH, organic carbon, EC, bulk density, T0NO3, T0NH4+NO3, T63NH4 and T63NH4+NO3 in 0-15 cm soil depth were significantly (p<0,05) affected by land use change; in 15-30 soil depth, sand and clay content, pH, EC, bulk density, T63NH4 and T63NH4+NO3 were affected. It was concluded that natural forests’ soils have had significantly less clay content (p=0,008), EC (p=0,003), bulk density (p=0,003), T0NO3 (p=0,006) and T0NH4+NO3 (p=0,005); more sand content (p=0,006) and T63NH4+NO3 (p=0,007) compared to the other land uses.

Özet

Bu çalışmada arazi kullanım farklılığının toprakların bazı özellikleri ile azot mineralizasyonu üzerindeki etkilerinin belirlenmesi amaçlanmıştır. Bu çalışma kapsamında Rize, Kalkandere’de orman, çay, fındık ve kivi alanlarının her birinden 5 farklı noktada örnekleme yapılmıştır. Her örnekleme alanından birer toprak çukuru açılarak 0-15 cm ve 15-30 cm derinlik kademelerinden 40’ar adet bozulmuş ve bozulmamış toprak örneği alınmıştır. Toprak örneklerinde tekstür, toprak reaksiyonu (pH), organik karbon, toplam azot, karbon/azot oranı, elektriksel iletkenlik (EC), kireç (CaCO3), hacim ağırlığı ve azot mineralizasyonu gibi özellikler belirlenmiştir. Arazi kullanım durumuna göre toprak özelliklerindeki farklılığı belirlemek için nanparametrik Kruskal Wallis testi uygulanmıştır. Arazi kullanım durumuna ilişkin ikili karşılaştırmalarda ise Dunn’s Bonferroni test uygulanmıştır. Analiz sonuçlarına göre 0-15 cm derinlik kademesinde kil, pH, organik karbon, elektriksel iletkenlik, hacim ağırlığı, T0NO3, T0NH4+NO3, T63NH4 ve T63NH4+NO3 gibi toprak özellikleri anlamlı şekilde farklılık gösterirken, 15-30 cm derinlik kademesinde bu özellikler kum, kil, pH, elektriksel iletkenlik, hacim ağırlığı, T63NH4 ve T63NH4+NO3 şeklinde ortaya çıkmıştır. Bu çalışmaya göre doğal orman alanları topraklarının diğer arazi kullanım durumu topraklarına göre anlamlı bir şekilde daha az kil (p=0,008), EC (p=0,003), hacim ağırlığı (p=0,003), T0NO3 (p=0,006) ve T0NH4+NO3 (p=0,005); daha fazla kum (p=0,006) ve T63NH4+NO3 (p=0,007) içerdiği belirlenmiştir.

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Cite This Article

KÜÇÜK, M., YENER, İ. (2019). Effect of Different Land Uses on Some Properties and N-Mineralization of The Soils (A case study from Rize, Kalkandere). Bartın Orman Fakültesi Dergisi, Cilt: 21 - Sayı: 3, 899–910. https://ajindex.com/articles/108771

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