Characterization and classification of soil resources of hittinahalli sub-watershed derived from basalt in Northern dry zone of Karnataka

Parameshgouda Lavanagouda Patil, Deepa Kalappanavar, G.P. Geetha, Ragini Patil, G.S. Adarsh, Ghulappa S. Dasog
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Abstract

Eighteen Typical pedons representing upland, midland, and lowland forms in a Hittinahalli subwatershed of Vijayapur district were studied for their morphological characteristics and physicochemical properties. The soils were shallow to very deep (25 to >150 cm), very dark brown to black (Munsell color chart) and moderately well to poorly drained. The soil structure changes from weak, medium sub- angular blocky on the surface to moderate, coarse sub-angular blocky in the subsurface horizons. The soils are moderately alkaline to  strongly alkaline (7.59–9.41), low to high in organic carbon (0.08–0.75 g/kg). The pedons on uplands exhibit the development of an argillic horizon (Bt). The pedons on the midlands and lowlands have cambic horizons (Bw), classified as Verisols and Inceptisols, respectively. The  lowlands (P6, P10, P16, and P18) and midlands (P7, P8, P12, P15, and P17) are classified as fine, mixed, Iso-hyperthermic, and Typic  Haplustalfs.
卡纳塔克邦北部干旱区玄武岩衍生hittinahalli亚流域土壤资源特征与分类
本文研究了维查亚普尔地区Hittinahalli亚流域18个典型的高地、中部和低地类型的土壤形态特征和理化性质。土壤浅至深(25至150厘米),深棕色至黑色(蒙塞尔颜色图),排水良好至不良。土壤结构由表层的弱中亚角块状向地下层的中粗亚角块状转变。土壤呈中碱性至强碱性(7.59 ~ 9.41),有机碳含量由低至高(0.08 ~ 0.75 g/kg)。高地上的土墩呈泥质层发育(Bt)。中部和低地的土丘具有形成纪层(Bw),分别被分类为Verisols和Inceptisols。低地(P6、P10、P16、P18)和中部(P7、P8、P12、P15、P17)可分为细粒、混合型、等温型和典型单峰。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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