What is the difference between Subsistence …

Subsistence agriculture Primitive subsistence agriculture Intensive subsistence agriculture Primitive subsistence agriculture: Also called shifting cultivation/ slash and burn agriculture Practiced by tribes in topics Land holdings are small Do not use fertilizers Change the land frequently After5 years they come back again. It is called Jhuming in N.E. India, Milpa in South America, Ladang in Malaysia Intensive subsistence agriculture: Found in density populated areas There are two types A. Intensive subsistence agriculture dominated by wet paddy cultivation: Dominated by rice crop, Land holdings are very small Family labor is used Less use of machine Manual labor is used Farm yard manure is used Yield per unit is high but per labor is low B. Intensive subsistence agriculture dominated by other crops. Depends on climate, soil, relief other crops are cultivated. Mainly practiced in SE Asia. Wheat, barley, soya bean, sorghum is cultivated In India wheat is grown in western parts of Ganga plain Millets are grown in western parts of south India Irrigation is used Europeans introduced Plantation agriculture