Journals / Harran Tarım ve Gıda Bilimleri Dergisi / 2019 / Cilt: 23 - Sayı: 4

Evaluation of quality of agricultural soils with geostatistical modeling

Tarım topraklarının jeoistatistiksel modelleme ile kalitesinin değerlendirilmesi

Pages
489–499
Publication Date
2019-12-23
DOI
—
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AI Summary & Key Takeaways

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

The determination of the quality of the soils in the study area in the following years and revealing the changes taking place over time are very important in terms of ensuring sustainability in agriculture.

📌 3 Key Takeaways

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Objective & Hypothesis:Sustainability in agricultural production is one of the issues that are given more importance in recent years.
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Key Findings & Data:For this reason, it is aimed to determine soil quality and spatial distribution map by considering the productivity levels of the soils in the Yumurtalık county center and its vicinity in the coastal area of Çukurova region, Turkey. pH, electrical conductivity, lime, cation exchange capacity, organic matter, sand, silt and clay values of the soils for this purpose were taken into consideration as the productivity indicator of 110 points which were randomly determined in the study area which was previously surveyed.
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Conclusion & Impact:The determination of the quality of the soils in the study area in the following years and revealing the changes taking place over time are very important in terms of ensuring sustainability in agriculture.
🔬Design:Survey & Empirical Study
📍Scope:Comprehensive Sample
⚙️Variables:Verimlilik · Toprak kalitesi · Analitik hiyerarşi süreci

Abstract

Sustainability in agricultural production is one of the issues that are given more importance in recent years. In this context, to know the current situation of soils and to determine and improve the inappropriate soil properties are the most important step. Although any impact to the current situation doesn’t appear in a short period, it will be reflected to the soil quality as positive or negative for a long time. For this reason, it is aimed to determine soil quality and spatial distribution map by considering the productivity levels of the soils in the Yumurtalık county center and its vicinity in the coastal area of Çukurova region, Turkey. pH, electrical conductivity, lime, cation exchange capacity, organic matter, sand, silt and clay values of the soils for this purpose were taken into consideration as the productivity indicator of 110 points which were randomly determined in the study area which was previously surveyed. The soil quality index was determined by giving weight with analytic hierarchy process to scoring indicators with standard scoring functions. In this study, soil quality classes of approximately 7694 ha of land were obtained and mapped with geostatistical modeling. Soils with medium quality were determined with 68.3% at most in the soils evaluated in five classes in terms of quality levels. On the other hand, very low quality soils showed only 1.1% of the study area with 82 ha. Soils identified as very high quality weren’t in the study area. The determination of the quality of the soils in the study area in the following years and revealing the changes taking place over time are very important in terms of ensuring sustainability in agriculture.

Özet

Tarımsal üretimde sürdürülebilirlik son yıllarda daha fazla önem verilen konulardan birisidir. Bu kapsamda toprakların mevcut durumunu bilmek ve uygun olmayan toprak özelliklerini belirlemek ve iyileştirmek en önemli adımdır. Mevcut duruma yapılacak her türlü etki kısa sürede kendini göstermese de uzun sürede olumlu veya olumsuz olarak toprak kalitesine yansıyacaktır. Bu sebeple, Türkiye’nin Çukurova Bölgesi sahil kesiminde yer alan Yumurtalık ilçe merkezi ve yakın çevresindeki toprakların verimlilik düzeyleri göz önünde bulundurularak toprak kalitesinin belirlenmesi ve dağılım haritasının oluşturulması amaçlanmıştır. Bu amaç için, daha önceden toprak etüdü yapılmış olan çalışma alanında rastgele belirlenen 110 noktaya ait toprakların pH, elektriksel iletkenlik, kireç, katyon değişim kapasitesi, organik madde, kum, silt ve kil değerleri dikkate alınmıştır. Toprak kalite indeksi standart skorlama fonksiyonları ile skorlanan göstergelere analitik hiyerarşi süreci ile ağırlık verilerek belirlenmiştir. Çalışmada, yaklaşık 7694 ha arazinin toprak kalite sınıfları elde edilmiş ve jeoistatistiksel modelleme ile haritalanmıştır. Kalite düzeyleri bakımından beş sınıfta değerlendirilen topraklarda en fazla %68.3 ile orta kaliteli topraklar belirlenmiştir. Buna karşın, çok düşük kaliteye sahip topraklar ise 82 ha ile çalışma alanının yalnızca %1.1’inde yayılım göstermektedir. Çok yüksek kaliteli olarak tanımlanan topraklar ise çalışma alanında bulunmamaktadır. Çalışma alanında yer alan toprakların kalitesinin ilerleyen yıllarda tekrardan belirlenmesi ve zamanla meydana gelen değişimlerin ortaya çıkarılması, tarımda sürdürülebilirliğin sağlanması açısından oldukça önemlidir.

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Cite This Article

KOCA, Y. K., ACAR, M., TURGUT, Y. Ş. (2019). Evaluation of quality of agricultural soils with geostatistical modeling. Harran Tarım ve Gıda Bilimleri Dergisi, Cilt: 23 - Sayı: 4, 489–499. https://ajindex.com/articles/423482

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