___________ is a mineral - rich layer.
'O' horizon
'B' horizon
'C' horizon
'R' horizon
In ___________, mainly grazing fields are cultivated.
Dry farming
Lay farming
Mulching
Crop rotation
___________ contains fresh or partially decomposed organic matter.
'A' horizon
____________ process is actually a continuation of weathering.
Hydration
Chelation
Hydrolysis
Pedogenesis
___________ can reduce surface run- off and soil erosion.
Terrace farming
Shelter belts
Contour barriers
__________ are made on the steep slopes so that flat surfaces are available to grow crops.
Intercropping
