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Reasons for having caster angle in steering geometry are;To maintain directional stability and controlTo reduce steering effortTo increase steering return abilityReduce tyre wear
Reasons for pruning in crop production are;To train the plant so that it can have a desired shape.To remove diseased and unwanted parts of a plant. They may be less reproductive.Control cropping by removing extra vegetation parts and ensure uniform bearing.To facilitate picking e.g convenient for tea and coffee.To ease the penetration of spray since the bush is opened up.To control pests and diseases pruning opens up the bush and helps to control diseases and pests.
Reasons for early primary tillage are;Facilitate water infiltration and aerationDestroy pest by exposing them to predators and the sun.Makes planting easyRemoves woodsBurry organic matter for easy decomposition
Reasons for sub-soiling are;Breaks the hardpanImproves airationImproves water infiltration
Reasons for using octal and Hexadecimal number system include;Save on storage spaceImprove transmission efficiency