The antonyms for the word "most harvested" would be words that describe the least or smallest amount of crops reaped from agriculture fields. The antonyms may include phrases like "least collected," "smallest yield," "low production," or "insufficient output." Farmers, who work to increase their crop production, may experience a lower yield due to natural causes like drought, flooding, pest infestations, or bad weather conditions. The antonyms for "most harvested" could also suggest a scenario where farmers experienced a loss due to external factors and could earn less revenue. In summary, the antonyms for "most harvested" are descriptors that refer to the opposite end of the crop production spectrum.