So plants could be packed tighter, doubling yield per acre, and multiple layers of dwarf crops could be grown per floor.

这样一来，植株就可以排列的更为紧密，每英亩产量也随之翻番，每一层楼内都可以种好几排矮株作物。

youdao

Yield is the amount produced for each hectare or acre.

模型中的产量是指每公顷或每英亩土地生产的粮食总量。

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But no matter how much we maximize crop yield per acre, the limiting factor for food production is land.

但是不管我们如何最大化粮食亩产量，最大的制约因素还是土地。

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Crop production is consistently setting records for overall yield and yield per acre.

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For example, rice yield per acre on average is 1.3 tons versus 2.5 tons per acre in China.

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Upping the sugar content in the cane would lead to a higher yield of ethanol per acre.

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