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explain the following horizons i oap ii btki organic horizon o with organic material that has undergone
what is the significance of soil coloursoil colour is significant in soil classification ie the characterisation of soil interpreting soil
what is pedologypedology is concerned with the study of the composition distribution and formation of soils as it occurs in nature on the other
discuss in brief about the red soilsred soils are characterised by a rusty red colour due in most cases to the presence of various oxides of
state about the peaty soils peaty soils occur in humid regions and have an accumulation of high organic matter such peaty soils containing
state about the lateritic soils lateritic soils formed at high levels have a pale red colour have high gravel content and are poor in all fertility
explain in brief about the laterite soilsthese soils are derived from the subaerial weathering of several types of rocks both basic and acid under
forest and hill soilsthe hill and forest soils seem to be akin to soils developed in humid temperate regions and have been found to include
determine in brief about the black soilsthese soils have been formed mainly under semi -arid conditions and are derived from a number of rock
explain about the alluvial soils alluvial soils are characterised by their extreme depth often several hundred feet and a grey or greyish brown
soil types of india soils were classified as urvara fertile and anuvara or usara barren in the ancient period the soils were then given local names
determine the hierarchical order of soil taxanomy order at this highest level of generalisation the soils are distinguished on the basis of the
determine the properties of soil taxanomythe system of soil taxonomy is based on soil properties which in turn depend on soil genesis ie the way soil
what is soil taxonomythe concept of soils as natural bodies was first developed by russian soil scientist vv dokuchaev and his associates when they
soil classification the purpose of any classification is to organise the knowledge and ideas of a given field in the best possible manner so that the
explain about the biospherebesides the above two types of factors biosphere the living environment is another important active soil forming
enumerate the ratio of rainfall to temperaturethe effect of climatic agents on the changes taking place in the parent material is determined by the
explain the process of leaching- temperaturehigh temperatures hinder the process of leaching and cause an upward movement of soluble salts
how temperature influences the process of soil formationtemperature is another climatic agent which influences the process of soil formation it
state the ratio of rainfall and evaporation the ratio of rainfall and evaporation is called as pe ratio where p stands for precipitation and e for
determine the rainfall factor in soil formationthe movement of water is determined by the nature and amount of rainfall where the rainfall is
why rainfall is imprtant factor in active soil formationof the various climatic elements that take part in active soil formation rainfall or
active factors or active soil formers it has been recognized for many years that climate is one of the major state
determine the role of time in soil formationtime plays a very important role in the soil formation as it provides for the soil forming processes to
what is topographythe location of a soil on a landscape ie topography or relief of the land is an important passive factor in soil formation as it