In Iowa in the US, the average rain-fed maize yield is 10 tonnes per hectare.

在美国爱荷华州，靠雨水供养的玉米平均产量为每公顷10吨。

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Subsistence farming may, indeed, yield only $200-300 per hectare but paying that sum to the locals will not give them shops in which to buy food.

温饱农业的产值可能每公顷的确只有200至300美元，但是把这些钱给当地人还不够给他们开食品店买食品。

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Cranberry bogs consume lots of space in the marshland. According to statistics, yearly output yield of cranberries is something around 600 kilos per hectare.

蔓越莓沼泽湿地占据了大量的空间。据统计，蔓越莓年产量每公顷大约600公斤。

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Jatropha curcas can yield four times more biofuel per hectare than soybeans and more than 10 times that of corn.

VOA: standard.2009.08.23

By 1957,the average yield per hectare of Mexican wheat had almost doubled.

VOA: standard.2009.09.13

"Just a back-of-the-envelope calculation shows that in the Philippines, if we in a year can be reaching just five thousand farmers and their fields can be increasing the yield by half a ton per hectare, we could be looking at profitabilities for those farmers in the range of half a million dollars."

VOA: standard.2010.07.28

Patient crossbreeding created a variety, called braquiarinha in Brazil, which produced 20-25 tonnes of grass feed per hectare, many times what the native cerrado grass produces and three times the yield in Africa.

ECONOMIST: Brazilian agriculture