Which one of the following methods of soil conservation is mosl effective in arid areas ?

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Q: (SSC/0)

Which one of the following methods of soil conservation is mosl effective in arid areas ?

question_subject: 

Geography

question_exam: 

SSC

stats: 

0,28,68,35,28,26,7

keywords: 

{'soil conservation': [3, 0, 1, 1], 'arid areas': [1, 0, 0, 2], 'mosl': [1, 0, 0, 0], 'mulching': [0, 0, 0, 1], 'terracing': [2, 0, 0, 1], 'methods': [5, 0, 2, 10], 'shelter belt': [1, 0, 0, 0], 'gully': [3, 1, 1, 0]}