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What is Soil Aggregation and explain its beneficial role
Some organisms may play a beneficial role indirectly by creating better soil physical conditions e.g., by improving soil aggregation. You have read about the role of earthworms in soil granulation. Plant roots also promote soil aggregation with the help of their decay product. Gum or polysaccharides produced by certain microorganisms also cause soil aggregation. Azotobacter, Baijerinckia and Rhizobium are examples of gum producing bacteria.
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Darwin and Natural Selection: The English naturalist Charles Darwin (1809-1882) explained how biological evolution took place, in his remarkable "The Origin of Species" in
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1. identify ten diagnostic medical term that use diagnostic, note the suffixes and provide the definitions.2. then identify ten related procedural medical terms that use procedural
What protist changes shape constantly and flows around it''s food to engulf it
INTRODUCTION : This exercise is based on here 'Laws and Regulations' of this course. What are we going to do in this exercise? - This might be the question arising in your mind. I
Question 1: (a) Define the following terms: normal baseline, internal waters and territorial sea. (b) List four responsibilities of the coastal state within the territoria
Explain the Structure and Functions of Liver The liver is enclosed in a thin capsule and is completely covered by a peritoneum. The liver is described as having four lobes. As
short notes of cholestrol
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 constituents. Those forme
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