Bayat, Çorum, tarım alanlarının verimlilik parametrelerinin yersel değişkenliğinin belirlenmesi

Amaç: Bu çalışmanın amacı, Çorum ili Bayat ilçesine ait Kızılırmak kıyısında kalan bazı tarım alanlarında toprak verimlilik parametrelerinin yersel değişkenliğini grit yöntemiyle alınan kompozit toprak örneklerinde yapılan analizlerle belirlemek ve haritalamaktır. Yöntem ve Bulgular: Kompozit yüzey toprağı örnekleri 700x700 m mesafeyle oluşturulan gritlerin kesişim noktalarından alınmıştır. Topraklarda pH, EC, kireç (%), organik madde (%), toplam azot, yarayışlı fosfor, değişebilir Ca, K ve Na ve toprak bünyesi gibi parametreler belirlenmiştir. Daha sonra bu parametrelerin yersel değişkenliği kriging yöntemiyle modellenerek yersel değişim haritaları oluşturulmuştur.Genel Yorum: İncelenen parametrelerden K, Na, P, N, kireç, pH, kil ve kumun mesafeye bağımlı bir değişiklik gösterdiği belirlenmiştir. Diğer parametreler ise nugget model göstermiştir. Toprakların genelinde fosfor yetersizliği gözlenmiştir. pH ve EC’nin çalışma alanında önemli bir problem oluşturmadığı gözlenmiştir, fakat zamanla güney batı kesimlerinde yıkanmaya bağlı tuzluluk riski bulunmaktadır. Çalışmanın Önemi ve Etkisi: Topraklarda yersel değişkenliğin bilinmesi girdi kullanımının daha etkin olmasını ve tarımsal uygulamaların çevreye duyarlı olmasını sağlamaktadır.

Anahtar Kelimeler:

Toprak verimliliği, Mesafeye bağlı değişim, kriging, Bayat, Çorum, Toprak özellikleri

Determination of spacial variability of soil fertility parameters in ag-lands of Bayat District, Çorum

Aims: The aim of this study was to determine and map the spatial variability of soil fertility parameters in soil samples taken by grit method in some agricultural areas in the vicinity of Kızılırmak river in Bayat district of Çorum.

Keywords:

Soil fertility, Spatial dependence, Kriging, Bayat, Çorum, Soil properties,

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