ABSTRACT
The factors are broadly classified into
INTERNAL FACTORS (Genetic or heredity factors)
EXTERNAL FACTORS (Environmental factors)
Climatic
Edaphic
Biotic
Physiographic
Socio-economic
The factors are broadly classified into
INTERNAL FACTORS (Genetic or heredity factors)
EXTERNAL FACTORS (Environmental factors)
Climatic
Edaphic
Biotic
Physiographic
Socio-economic