Estimating the Atterberg Limits of Southern Saskatchewan Soils From Texture and Carbon Contents

Jong, E. de; Acton, D. F.; Stonehouse, H. B.

doi:10.4141/cjss90-057

Cited by 54 publications

(78 citation statements)

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“…A typical collapsing gully in the hilly granitic region, Gan County, Jiangxi Province (photo: Yusong Deng). Jong et al, 1990). Later on, Atterberg limits were mainly used in the classification of soils for engineering purposes.…”

Section: Introductionmentioning

confidence: 99%

Soil Atterberg limits of different weathering profiles of the collapsing gullies in the hilly granitic region of southern China

et al. 2017

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Abstract. Collapsing gullies are one of the most serious soil erosion problems in the tropical and subtropical areas of southern China. However, few studies have been performed on the relationship of soil Atterberg limits with soil profiles of the collapsing gullies. Soil Atterberg limits, which include plastic limit and liquid limit, have been proposed as indicators for soil vulnerability to degradation. Here, the soil Atterberg limits within different weathering profiles and their relationships with soil physicochemical properties were investigated by characterizing four collapsing gullies in four counties in the hilly granitic region of southern China. The results showed that with the fall of weathering degree, there was a sharp decrease in plastic limit, liquid limit, plasticity index, soil organic matter, cation exchange capacity and free iron oxide. Additionally, there was a gradual increase in liquidity index, a sharp increase in particle density and bulk density followed by a slight decline, a decrease in the finer soil particles, a noticeable decline in the clay contents, and a considerable increase in the gravel and sand contents. The plastic limit varied from 19.43 to 35.93 % in TC, 19.51 to 33.82 % in GX, 19.32 to 35.58 % in AX and 18.91 to 36.56 % in WH, while the liquid limit varied from 30.91 to 62.68 % in TC, 30.89 to 57.70 % in GX, 32.48 to 65.71 % in AX and 30.77 to 62.70 % in WH, respectively. The soil Atterberg limits in the sandy soil layers and detritus layers were lower than those in the surface layers and red soil layers, which results in higher vulnerability of the sandy soil layers and detritus layers to erosion and finally the formation of the collapsing gully. The regression analyses showed that soil Atterberg limits had significant and positive correlation with SOM, clay content, cationic exchange capacity and Fe d , significant and negative correlation with sand content and no obvious correlation with other properties. The results of this study revealed that soil Atterberg limits are an informative indicator to reflect the weathering degree of different weathering profiles of the collapsing gullies in the hilly granitic region.

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Section: Introductionmentioning

confidence: 99%

Soil Atterberg limits of different weathering profiles of the collapsing gullies in the hilly granitic region of southern China

et al. 2017

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“…Üst toprakta sıvı sınırı değerleri tarım alanlarında en yüksek (% 50,10-67,47), orman alanlarında en düşük (% [6]. Kum içeriğinin artması toprağın su tutma kapasitesini azalttığından, kıvam limitlerindeki su içeriği azalmakta ve bu durum negatif bir ilişkinin ortaya çıkmasına neden olmaktadır [7].…”

Section: Introductionunclassified

Bazı Sulak Alan Topraklarının Fiziksel Özelliklerinin İncelenmesi

Bayan¹,

Yılmaz²

2017

Nevşehir Bilim Ve Teknoloji Dergisi

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ÖzBu araştırmada, Doğu Akdeniz Bölgesinde Güney-Kuzey yönünde uzanan üç sulak alan üzerinde yapılan uygulamalar sonucunda ortaya çıkan değişimler belirlenmeye çalışılmıştır. Bölgenin en önemli sulak alanlarından olan Amik, Gavur ve Gölbaşı Gölleri topraklarının bazı fiziksel analizleri yapılmıştır. Toprakların bozunum düzeyinin Amik Ovasında daha ileri düzeyde olması bu toprakların hacim ağırlığı değerlerini arttırmıştır. Gavur Gölü topraklarında ıslak agregat stabilitesi, hidrolik iletkenlik, plastik sınırı, sıvı sınırı ve plastik indeksi parametrelerinin yüksek değerlerde olması bu alanın yıl içerisinde daha uzun süre su altında kalması ile orantılı olduğu belirlenmiştir. Doğal durumun en az bozulmaya uğradığı Gölbaşı Gölleri alanında kil düzeyinin diğer alanlara göre daha yüksek düzeylerde bulunması, erozyona bağlı olarak su ile ince materyalin taşınmasının doğal durumunu koruyan alanlarda daha düşük düzeylerde olduğunun bir göstergesi olarak değerlendirilmiştir.Anahtar Kelimeler: Doğu Akdeniz, sulak alan, toprak, bozunum, fiziksel özellik Investigation of Physical Properties of Some Wetland Soil's AbstractIn this study, was to determine the changes in the three wetlands extending as a result of in the South-North direction in the Eastern Mediterranean Region the applications. The most important wetlands of the region; Some physical analyses have been made of the lands of Amik, Gavur and Golbasi Lakes. The higher level of decomposition of soils in Amik plain has increased the volume weight values of these soils. Soils of Gavur Lake; wet aggregate stability, hydraulic conductivity, plastic limit, liquid limit and plastic index are high values, it is determined that this area is proportional to being inundated longer in the year. Golbasi Lakes as natural condition suffered the least distortion; the clay level in the area is found to be higher than in other areas and it is considered to be a sign of lower levels in the areas protecting the natural state of water and thin matter transport due to erosion.

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“…However, when the correlation of each soil was examined, the correlation coefficients between organic matter content and PI were 0.531*, -0.625*, and -0.266 for sandy loam, loam, and clay, respectively (Table 4). Differences in soil inherent characteristics associated with parent material, clay type and content, and mineralogy might be among the factors causing the inconsistency (De Jong et al, 1990;Hemmat et al, 2010). The increase in the organic matter content of mineral soil (<5% organic matter) often causes an increase in both the LL and PL (Lal and Shukla, 2004).…”

Section: Effects Of Vermicompost On Soil Consistency Limitsmentioning

confidence: 99%

“…Clay, sand, and organic matter contents, which influence the soil diffused double layer characteristics, have significant effects on the Atterberg limits (Lal and Shukla, 2004;Hemmat et al, 2010;Aksakal et al, 2013). De Jong et al (1990) stated that clay content is the most important determinant of the Atterberg limits. Keller and Dexter (2012) pointed out that soils with negligible amounts of organic matter should contain at least 10% of clay content to be plastic.…”

Section: Effects Of Vermicompost On Soil Consistency Limitsmentioning

confidence: 99%

Influence of vermicompost application on soil consistency limits and soil compactibility

Sari¹,

Aksakal²,

Angin³

2017

Turk J Agric For

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Estimating the Atterberg Limits of Southern Saskatchewan Soils From Texture and Carbon Contents

Cited by 54 publications

References 1 publication

Soil Atterberg limits of different weathering profiles of the collapsing gullies in the hilly granitic region of southern China

Soil Atterberg limits of different weathering profiles of the collapsing gullies in the hilly granitic region of southern China

Bazı Sulak Alan Topraklarının Fiziksel Özelliklerinin İncelenmesi

Influence of vermicompost application on soil consistency limits and soil compactibility

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