Karides Kabuklarının Doğal Bir Toprak Düzenleyici Olarak Değerlendirilmesi

Abstract

Karides kabuğu atıkları deniz ürünleri endüstrisinin yan ürünü olarak çevresel sorunlara yol açmakla birlikte yeni tarımsal uygulamalar ve çalışmalar için fırsatlar sunmaktadır. Karides tüketiminden ortaya çıkan bu atıklar geleneksel atık yöntemleriyle yakılarak veya gömülerek bertaraf edilmektdir. Bu çalışmanın amacı karides kabuklarının bazı toprak fiziksel özelliklerine olan etkilerinin araştırılmasıdır. Karides kabukları kurutulup, öğütücü ile öğütüldükten sonra 4 mm elekten elenerek kaba kısımları ayıklanmıştır. Elenmiş topraklarla karides kabukları ağırlıkça %0, %2, %4 ve %6 oranında karıştırılmıştır. İnkübasyon periyodu sonrasında örneklerin su tutma kapasitesi, porozite, kuru hacim ağırlığı, nem, tarla kapasitesi, organik madde, pH ve elektriksel iletkenlik (EC) değerleri belirlenmiştir. Karides kabuğunu farklı dozlarda eklediğimiz topraklarda, doz artışı ile beraber toprağın pH, EC, agregat stabilitesi, organik karbon, organik madde, kalsiyum karbonat (CaCO₃,) su tutma kapasitesi, porozite, tarla kapasitesi değerlerinin istatistiki olarak önemli oranda arttığı belirlenmiştir. Sonuç olarak karides kabukları öğütüldükten sonra %4 ve %6 dozlarıyla, uygulamanın yapılacağı toprağın pH ve EC değerleri gözetilerek, toprak organik düzenleyicisi ve organik madde kaynağı olarak kullanabilir.

Keywords

• Karides kabuğu
• toprak
• toprak ıslahı
• toprak organik maddesi
• agregat

Evaluating Shrimp Shells as a Natural Soil Conditioner

Abstract

Shrimp shell waste, a byproduct of the rapidly growing seafood industry, poses environmental challenges but also presents opportunities for innovative agricultural applications and research. This waste, generated from shrimp consumption, is typically disposed of through methods such as burning and burial. The aim of this study is to investigate the potential use of shrimp shells in agriculture and to assess the impact of powdered shrimp shells as a cost-effective alternative to the expensive material chitosan on specific soil physical properties. Shrimp shells were obtained from Kocaman Fishery in Bandırma. The shells were cleaned, dried, ground, and sieved through a 4 mm mesh to remove unground parts. The sieved soil was then mixed with the shrimp shells at weight ratios of 0%, 2%, 4%, and 6%. Following the incubation period, the water-holding capacity, porosity, bulk density, moisture content, field capacity, organic carbon, organic matter, pH, and electrical conductivity (EC) values of the samples were measured. In soils where shrimp shell powder was applied at varying rates, it was observed that the pH, electrical conductivity (EC), aggregate stability, organic carbon, organic matter, CaCO₃, water holding capacity, porosity, and field capacity values significantly increased with higher application doses. Consequently, shrimp shells can be ground into a powder and utilized as a soil organic conditioner at rates of 4% and 6%, while considering the pH and EC values of the soil.

Keywords

• Shrimp shell
• soil
• soil reclamation
• soil organic matter
• aggregate.

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