Long-answer questions (70 words)
1. Define tilling and write any two points of its importance. How does ploughing of soil facilitate plant
growth?
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Explanation:
Tillage is the agricultural preparation of soil by mechanical agitation of various types, such as digging, stirring, and overturning. Examples of human-powered tilling methods using hand tools include shoveling, picking, mattock work, hoeing, and raking. ... Within agriculture, both can refer to any kind of soil agitation.
The prime purpose of ploughing is to turn over the uppermost soil, so bringing fresh nutrients to the surface, while burying weeds and crop remains to decay. ... Ploughing and cultivating soil evens the content of the upper 12 to 25 centimetres (5 to 10 in) layer of soil, where most plant-feeder roots grow.
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