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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
determine about the endodynamorphic soilsthere are instances where the effect of climate is subdued or masked by the parent material soils formed
importance of parent materials different rocks or parent materials placed under similar climatic conditions give rise to soils which are very similar
what is parent materialparent material refers to the primary material from which the soil is formed the parent material may be either a solid rock a
explain the passive factors or passive soil formers passive factors are by and large slow acting factors and include parent material
explain about the soil formerssoil development or soil genesis as it is called is the result of a number of factors such as parent material
what are the factors affecting soil formation parent materials formed due to weathering of rocks are transported from the place of their origin
oxidationweathering by oxidation is common in rocks which are rich in the elements that can be easily oxidised eg iron iron as fe2present in a
1the genes for ruby eyes rb tan body t and cut wings ct are all found on the x-chromosome of drosophila melanogaster all of these are recessive