1·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。
2·This spring Mr Pisa will reap around 3 tonnes of soyabeans per hectare.
今年春天，比萨先生将收获每公顷约3吨的大豆。
3·Researchers at the algae greenhouse plan to scale up the trial to a 100 hectare (247 acre) site over the next three years.
藻类温室的研究人员计划在未来三年内将试验范围扩大到一片100公顷（合247英亩）的场地上。
4·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。
5·And experts say potatoes can produce more food per hectare than wheat or rice.
并且专家指出，每公顷产出的土豆提供的食物比大米或小麦都多。