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Question 12 Marks
Drip system and Sprinkler system
Answer
  Drip system   Sprinkler system
$1.$ This system is a boon in the region where availability of Water is poor. $1.$ This system is more useful on the uneven land where sufficient water is not available.
$2.$ In this system, the Water falls drop by drop just al the position of the roots. $2.$ In this system water sprinkled on the crop as if it is raining.
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Question 22 Marks
Fertiliser and Manure
Answer
  Fertiliser Manure   Manure
$1.$ A fertiliser is an inorganic salt. $1.$ Manure is a natural substance obtained by the decomposition of cattle dung, human waste and plant residues.
$2.$ A fertiliser is prepared in factories. $2.$ Manure can be prepared in the fields.
       
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