The problem that might likely occur with farming a plot of land year after year without any fertilizer is over-farming. Over- cultivation is the excessive use of a land. This results into nutrient depletion of the land as a result of pressure on the minerals in the soil.
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the act or an instance of cultivating something excessively especially : the act or practice of cultivating land to an excessive degree in the growing of crops so that soil quality is degraded and productivity is reduced Overcultivation, overgrazing, and massive timber consumption have turned a quarter of China's ...
