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。

youdao

American farmers are known worldwide for their ability to produce a large yield per hectare.

美国农民能在每公顷土地上生产出大量的作物，这使他们闻名世界。

youdao

Among them, hybrid rice breeding technology is still keeping ahead in the world and the highest yield per hectare frequently breaks the world record.

其中杂交水稻育种技术居世界领先水平，水稻最高单产屡屡突破世界纪录。

youdao

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

VOA: standard.2009.09.13

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

"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