Çöp kompostunun farklı tekstüre sahip toprakların agregat stabilitesine etkisi

Öz

Sürdürülebilir tarım uygulamaları toprakların fiziksel özelliklerinin korunmasını ve iyileştirilmesini gerektirmektedir. Bu çerçevede belediye katı atıklarından elde edilen çöp kompostları, birçok ülkede organik toprak düzenleyici olarak tarım alanlarında kullanılmaktadır. Araştırma kapsamında; farklı tekstüre sahip topraklarda çöp kompostunun, toprakların agregat stabilitesi özellikleri üzerine etkisi incelenmiştir. Araştırma, 3 tekerrürlü saksı denemesi kurularak yürütülmüştür. Çöp kompostu, kuru ağırlık üzerinden 0, 5, 10, 15 t da-1 oranlarında saksılara uygulanmıştır. Araştırma sonuçlarına göre; kompost uygulamaları agregat stabilitesi değerlerini, her üç toprak tipinde de önemli ölçüde arttırmıştır. Özellikle yüksek dozlarda toprakların agregat stabilitesi değerleri daha belirgin bir artış göstermiştir. Kompost uygulaması en yüksek etkiyi, kaba bünyeli yapısı nedeniyle kumlu kil tın tekstüre sahip olan toprakta göstermiştir. Çalışmada, çöp kompostu uygulamalarının, toprakta agregasyonu düzenleyici ve stabilizasyonu artırıcı etkileri gözlemlenmiştir. Bu bulgular, çöp kompostunun farklı tekstüre sahip topraklarda agregasyon üzerine etkisinin olumlu olduğunu ancak etkisinin tekstüre bağlı olarak farklılık gösterdiğini ortaya koymuştur.

Anahtar Kelimeler

• çöp kompostu
• toprak
• tekstür
• agregat stabilitesi

Effect of waste compost on aggregate stability of different textured soils

Öz

Sustainable agricultural practices require the preservation and improvement of the physical properties of soils. In this context, waste composts obtained from municipal solid wastes are used as organic soil conditioner in agricultural fields in many countries. In this study, the effect of waste compost on aggregate stability properties of soils with different textures was investigated. The research was conducted by establishing a pot experiment with 3 replications. Compost was applied to the pots at the rates of 0, 5, 10, 15 t da-1 by dry weight. According to the results of the study; compost applications significantly increased the aggregate stability values in all three soil types. Especially at higher doses, aggregate stability values of soils showed a more significant increase. Compost application showed the highest effect on the soil with sandy clay loam texture due to its coarse structure. In the study, the effects of waste compost applications on regulating aggregation and increasing stabilization in soil were observed. These findings revealed that waste compost has a positive effect on aggregation in soils with different textures, but its effect varies depending on the texture.

Anahtar Kelimeler

• Waste compost
• soil texture
• aggregate stability

Kaynakça

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