Abstract
Soil fertility capability classification (FCC) is a technical system which groups the soils according to kinds of problems they present for management. The soil fertility related constraints can be identified without testing for soil nutrients and the FCC tries to bridge the gap between pedology and soil fertility.The present study is an attempt to classify the soils of six soil series under rainfed conditions identified in a part of southern Deccan plateau. Three pedons were selected from each soil series to represent the range in characteristics of soil properties. According to FCC, the representative pedons were classified as LRdkemr+ (Gummagonda); Ldkmr+ (Pullagiri); LCdki (Chegunta); Ldkbn (Nerelapally); Cdʋkbn (Avancha) and Ldkemn- (Koduparthy). The presence of condition modifiers soil moisture stress (d) and low nutrient reserve (k) indicates that all the soils are poor in soil fertility and available moisture content. The soils of Gummagonda are shallow with root restricting layer and cultivation of crops makes these soils prone to erosion. Hence, pasture development is a viable option to conserve these soils.Poor nutrient supply (k), calcareousness (b) and Alkalinity (n) are the major constraints in soils of Nerelapally and Avancha and they need to be ameliorated with suitable amendments to sustain crop production.
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