Without extensive mechanization it is estimated that cotton requires about 150 man-hours per acre, a greater labor input than for any other major crop.
据估计,若无充分的机械化,种植1英亩棉花约需150个工时。这比种植其它任何主要农作物投入的劳力都多。
Without extensive mechanization it is estimated that cotton requires about 150 man-hours per acre, a greater labor input than for any other major crop.
据估计,若无充分的机械化,种植1英亩棉花约需150个工时。这比种植其它任何主要农作物投入的劳力都多。
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