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Tarımsal Topraklarda Sürüm Yöntemi İle Çizgi (Rill) Erozyonu Arasındaki İlişkinin Analizi

The Analyses of the Relationship between Rill Erosion and Tillage Practice on Agricultural Lands

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Abstract (2. Language): 
The main aim of the study is to clarif, the differences in the development of the rill erosion depending on the change of tillage practice and to compute soil loss from rill geometr, on agricultural lands. In the study area, four different fields that are around Acipayam district were chosen to test agricultural practices and each field was divided into three different agricultural practices; unploughed, ploughed across slope, and ploughed down slope. After each naturalrainfall event, data were formed with geometric measurement results (length, depth and width) belonging to rill erosion. The relationship between the test results and the changes according to the method of ploughingtice was determined statistically. Regression analysis was made to determine the relationship between land length and rill development. As a result; rill erosion is more serious on across-slope ploughed plot than on down-slope ploughed plot, and on down-slope ploughed plot rill erosion is controlled by tillage lines.
Abstract (Original Language): 
Bu çalışmanın temel amacı; tarımsal topraklarda, toprağıişleme yöntemlerindeki değişime bağlıolarak çizgi (rill) erozyonunun gelişimindeki farklılıklarıortaya koymak ve çizgilerin geometrik alanlarından toprak kaybınıhesaplamak. Amaca yönelik olarak Acıpayam-Kumafşarıçevresindeki eğimli tarım arazilerinden farklıtoprak tekstürleri içeren 40x24 m’lik dört tarla seçilerek; her tarla, konturlara paralel ve dik sürüm ile sürüm yapılmadan bırakılma yöntemleri uygulanarak üçer parsele ayrıldı. Doğal yağmur ortamında her yağışdönemi sonunda oluk erozyonuna ait geometrik (uzunluk, derinlik ve genişlik) ölçüm sonuçlarıile data oluşturuldu. Test sonuçlarıyla rill erozyonun sürüm yöntemine göre göstermişolduğu değişim istatistiksel olarak ortaya konuldu. Bunun yanısıra arazi uzunluğu ile rill oluşumu arasındaki ilişkiyi ortaya çıkarmak için regresyon analizi uygulandı. Sonuç olarak; konturlara paralel sürüm yapılan alanlarda oluk erozyonu daha fazla ilerleme göstermekte, konturlara dik sürüm yapılan alanlarda ise oluk erozyonu sürüm şeritleri tarafından kontrol altında tutulmaktadır.
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