Commercial agriculture consists of raising food for trade and profit, while subsistence agriculture focuses on providing the basic needs of the farmer's family.
Subsistence agriculturalists grow food crops for themselves because they also have a family and their responsibilities for feeding them.
Subsistence agriculturalists have to target farm for survival and for basic requirements, with little or no surplus. That is why they cannot sell their crops because if they selling their crops they will have nothing left for survival.
Subsistence agriculturalists can't take loan because they don't have nothing but have the land for the securities and they don't give their land for securities because if they cannot complete their loan timely those land will be also taken by that bank .
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