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1·Yield per hectare continued expanding until the 1990s.

每公顷产量持续增加，直至20世纪90年代。

2·It is also packed with carbon: up to 400 tonnes per hectare.

此处碳储量同样丰富：每公顷高达400吨。

3·By comparison, Mexican farmers use 200 kilograms per hectare.

相比之下，墨西哥农民每公顷使用200千克氮。

4·Since 2000, yields per hectare have risen by nearly two-thirds.

自从2000年以来，每公顷产量已经提高大约三分之二。

5·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。

6·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。

7·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。

8·Europe has learned to grow more food per hectare and use fewer chemicals in the process.

欧洲学会了如何使每公顷种植更多的食物，同时使用更少的化学品。

9·PepsiCo potato farms in China yield 45 tons per hectare, among the highest yields in the world.

目前百事中国农场的马铃薯平均产量为每公顷45吨，位居世界前列。

10·According to statistics, yearly output yield of cranberries is something around 600 kilos per hectare.

据统计，蔓越莓年产量每公顷大约600公斤。