Alluvial soils are rich soil for crop cultivation but are poor in

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Q: (SSC/0)
Alluvial soils are rich soil for crop cultivation but are poor in

question_subject: 

Geography

question_exam: 

SSC

stats: 

0,23,26,7,23,9,10

keywords: 

{'alluvial soils': [1, 0, 0, 1], 'rich soil': [1, 0, 0, 1], 'crop cultivation': [1, 0, 0, 0], 'inorganic material': [1, 0, 0, 0], 'organic material': [1, 0, 0, 0], 'humus': [1, 0, 0, 0], 'nitrogen': [1, 1, 0, 2]}