Characterization and classification of soils of Wolkite University research sites, Ethiopia

Yıl 2018, Cilt: 7 Sayı: 4, 292 - 299, 01.10.2018

Teshome Yitbarek Abdeta Jembere Habtamu Kerebeh

https://doi.org/10.18393/ejss.436186

Cited By: 4

Öz

The
main purpose of this study was to characterize and classify soils of Wolkite
University research sites, Gurage zone, Ethiopia. In each five research sites,
Wabe (RS1), Geche (RS2), Yefereze (RS3), Kotergedra (RS4) and Keratemo (RS5),
representative pedons were opened and described. Almost all the pedons were
deep (>150 cm) with argillic B horizons and had clay textural class. The pH
of the surface soils ranged from strongly acidic (4.5) to moderately acidic
(5.6).  The soils had medium (2.60%) to
high (3.84%) organic carbon content and very low (1.46 mg kg^-1) to
low (10.34 mg kg-1) available phosphorus. The status of cation exchange
capacity (CEC) and base saturation were ranged from medium (23.15) to very high
(66.32 cmolc kg^-1) and low (33%) to high (99%), respectively.
According to WRB classification, pedon RS1 was classified as Haplic Vertisols
(Hypereutric) with USD equivalent of Typic Haplusterts. Pedons RS2 and RS3 were
classified as Vertic Alisols (Hyperdysric), which is correlated with Ultisols
(Typic Haplustults) in USDA classification. Pedon RS4 and RS5 classified as
Vertic Luvisols (Hypereutric), which is correlated with Alfisols (Vertic
Haplustalfs) in USDA classification. Generally, the soils of the research sites
were acidic with low status of available phosphorus, which need amelioration of
soil acidity and nutrient management.

Anahtar Kelimeler

Argilic, nutrient management, pedon, soil acidity

Kaynakça

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