景观保护，即使是有机耕作，他建议只要每英亩产量相当于常规养殖的产量那么就是可行的。

Even organic farming, he suggests, is justifiable in the context of landscape preservation only if the per-acre yields equal those of conventional farming.

youdao

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。

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

youdao

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。

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

youdao