Farmers in Swaziland used to till their land with a single ox and plow. While there is nothing wrong with this, one ox is not strong enough to break up the hard soil and this affects overall efficiency and results in poor yield.
史瓦濟蘭的農民原先只會用單牛犁田，這也沒有不好；可是當地土質較硬，牛隻拉力不足，影響到整地的效率，整理後的土質不夠疏鬆，作物收成不佳。