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state about the oxidised forms of elementsoxidised forms of elements are more desirable for most common crops grown in acid soils and humid regions
illustrate about the colour of the soil the colour of the soil gets influenced by the oxidation states of metal ions colours such as red yellow and
what is the iimportant consequence of soil aerationanother important consequence of soil aeration is oxidation-reduction reactions that take
what is soil aerationwhatever may be the structure of aggregate it introduces pores in the soils these pores are filled by air andor water and have a
state about the soil aggregation and soil structurein the context of soils the term structure refers to the shape that the soil takes it may exist as
soil particle distribution the grouping of soil particle distribution into different groups has been done though arbitrarily each group represents a
determine about the textural classtextural class names form a graduated sequence from soils that are coarse in texture and easy to handle to the clay
state the pipette method of soilthe sieve analysis though is a true particle size analysis is unable to separate particles smaller than
discuss about the hydrometer method to determine soilbouyoucos devised a simple and rapid technique using a specially designed hydrometer to
determine the sieve analysis method of soil texture as the name suggests sieve analysis is done using sieves and may give a true distribution of soil
mechanical analysis of soil texture mechanical analysis is actually the particle size analysis which is done to determine the amount of various
analysis soil texture by feel methodsoil texture was recognised from very early times by experienced farmers from the feel of moist soil placed
determine in brief about the soil texturethe texture is generally determined by the relative proportions of sand silt and clay if various size
mechanical parameterssoil is a heterogeneous mixture of organic matter salts metal oxides water and air with silicates as dominant constituents of
determine the types of cellbased oii the degree of complexity of the cell organisation two types of cells namely prokaryotes and eukaryotes are
illustrate in detail about the cell theory all living organisms are composed of cells and they are the basic structural and functional units of life
biologists established that new cellsconsequent to this doctrine biologists established that new cells are formed by cell division and by the end of
illustrate in detail about the cellthe present day study of cells combines many scientific disciplines like biochemistry biophysics genetics
define in brief about the biomoleculessome of the biomolecules also known as compounds of life form part of the structure of cell and some of these
cell structure and functionall organisms whether simple or complex plants or animals are composed of cells for example a bacterium or an amoeba is
describe the process of excitation-contraction coupling ecc in the heart how do adrenaline noradrenaline and acetylcholine alter heart rate and or
draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment how does the spacing of the
why are peaty and marshy soils highly acidicthe acidity is due to decomposition of organic matter under anaerobic conditions and formation of
how do time and temperature work in soil formation the time taken for the soil formation may be more in some cases or less in others hard
a name the primary minerals present in an igneous rock a quartz sio2 feldspars amphiboles pyroxenes and micas are the most common