Determination of the relationships between soil phosphorus forms and related enzymes and their spatial variations: A case study in Zonguldak hazelnut fields

Yıl 2025, Cilt: 13 Sayı: 2, 126 - 135, 29.12.2025

Ayşe Ertaş , Orhan Dengiz , Aylin Erkoçak

Öz

Phosphorus (P) is an essential element required for plant growth, present in very low concentrations in soil solution and rarely sufficient for optimum plant growth. The aim of this study was to obtain basic information about the variability of soil P forms concentration and phosphatase activities in hazelnut growing areas and to investigate the relationship between phosphorus forms and related enzymes and some physicochemical properties. In the study, soil samples were taken from hazelnut planting areas from 0-30 cm depth. Available phosphorus (eP), calcium-bound phosphorus (Ca_P), iron-bound phosphorus (Fe_P), aluminum-bound phosphorus (Al_P), soluble and weakly bound phosphorus (Psoluble), reductant-soluble phosphorus (Preductant) fractions, alkaline phosphatase (ALPA) and acid phosphatase enzyme (ACPA) analyses were performed in the soil samples.The data were evaluated using classical statistical and geostatistical methods. In the study, the general order of change of inorganic phosphorus fractions was determined as Ca_P> Al_P> Preductant> Fe_P>Psoluble. In the study, statistically significant relationships were determined between the amount of available P in soils and some soil properties and phosphorus fractions.

Anahtar Kelimeler

Soil phosphorus forms , soil phosphatase activity , geostatistics

Destekleyen Kurum

Tarımsal Araştırmalar ve Politikalar Genel Müdürlüğü

Teşekkür

Bu çalışma, TAGEM/TSKAD/17/A09/P02/02 “Tarımsal Araştırmalar ve Politikalar Genel Müdürlüğü” Proje No'lu proje kapsamında üretilmiştir.

Toprak fosfor formları ve ilgili enzimler arasındaki ilişkilerinin belirlenmesi ve mekansal değişimleri: Zonguldak fındık alanları örnek bir çalışma

Öz

Fosfor (P), bitki büyümesi için gerekli olan, toprak çözeltisinde çok düşük konsantrasyonda bulunan ve optimum bitki büyümesi için nadiren yeterli olan temel bir elementtir. Bu çalışmanın amacı, fındık yetiştiriciliği yapılan alanlarda toprak P formları konsantrasyonu ve fosfataz aktivitelerinin değişkenliği hakkında temel bilgileri elde etmek, fosfor formları ve ilgili enzimler ile bazı fiziko-kimyasal özellikler arasındaki ilişkiyi incelemektir. Çalışmada toprak örnekleri fındık ekim alanlarından 0-30 cm derinlikten alınmıştır. Alınan toprak örneklerinde yarayışlı fosfor (eP), kalsiyuma bağlı fosfor (Ca_P), demire bağlı fosfor (Fe_P), alüminyuma bağlı fosfor (Al_P), çözünebilir ve zayıf bağlı fosfor (Pçözünür), indergende çözünen fosfor (Pindirgen)fraksiyonları, alkali fosfataz (ALPA) ve asit fosfataz enzimi (ACPA) analizleri ile toprakların bazı fizikokimyasal özellikleri belirlenmiştir. Veriler, klasik istatistiksel ve jeoistatistiksel yöntemler kullanılarak değerlendirilmiştir. Çalışmada genel olarak inorganik fosfor fraksiyonlarının değişim sırası Ca_P> Al_P> Pindirgenen> Fe_P>Pçözünür şeklinde belirlenmiştir. Çalışmada, toprakların yarayışlı P miktarı ile bazı toprak özellikleri ve fosfor fraksiyonları arasında istatistiksel olarak önemli ilişkiler tespit edilmiştir.

Anahtar Kelimeler

Toprak fosfor formları , toprak fosfataz aktivitesi , jeoistatistik

Kaynakça

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