任何能提高农业效率的东西——能提高我们每英亩土地生产的农作物数量的东西——都是非常有用的。
Anything that can increase farming efficiency—the amount of crops we can produce per acre of land—will be extremely useful.
根据农民的报告，试验转基因种子的人与没有试验的人相比，每英亩用于控制害虫的杀虫剂用量只是稍微少一点。
According to farmers' report, the amount of insecticide needed per acre to control insect pests was only slightly lower for those who tried the modified seed than for those who did not.
通过化学方法从灰烬中提取镍，他们每英亩土地生产了100磅镍，每磅的总成本略高于目前的采矿成本。
By chemically extracting nickel form the ash, they produced 100 pounds of nickel per acre of land at a total cost per pound slightly above that of current mining.
今年上半年这一比率仅为1.6盎司黄金每英亩。
Halfway through this year, the ratio was just 1.6 ounces per acre.
然而，每英亩放牧牧畜数的增加只是单面的受益。
每英亩的产量是多少？
要是土质好，种的甘蔗每英亩可产到70吨。
Planted cane may yield up to seventy tons per acre in good soil.
每英亩能源产量。
模型中的产量是指每公顷或每英亩土地生产的粮食总量。
可燃物负荷是测量每块地区可得燃料的数量，通常是每英亩的吨数。
Fuel load is measured by the amount of available fuel per unit area, usually tons per acre.
他们每英亩四分之三的林地都是矮林，并且他们现在正在出售木材。
They have coppiced three quarters of an acre and are now selling the wood.
即使是每英亩19美元，这个19美元也并非买水的价格，不过是输送水的价格。
Even at $19 per acre-foot, $19 is not the cost of the water;it is simply the cost to deliver the water.
第二，粮食作物分布状况可以改善，每英亩土地的粮食产量可以提高。
Second, the distribution of food and the yield of food per acre can be improved.
有的类型株高很低，叫做矮秆品种，产量可高达每英亩1百蒲式耳以上呢。
There are some very short, or dwarf, types which have produced more than 100 bushels an acre.
加拿大和法国的11个单土工膜衬层的填埋场中每英亩有0.82个漏洞。
The level to Canadian and France's is about 0.82 hole in 11 single impermeable liner landfills.
此外，GLG生物技术公司说，这种植物的叶片产量大约每英亩会增加22%。
In addition, the plants produce about 22 percent more leaves per acre, the company said.
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.
该公司预计每英亩可以生产15000加仑的柴油，远远超过了每英亩谷物可以制造的乙醇的量。
The company predicts a yield of 15,000 gallons of diesel components per acre — far more fuel than an acre of corn grown for ethanol can produce.
弗吉尼亚烟叶农场基本上都是小家庭农场，每英亩的收入能够支持农场运营的替代作物几乎没有。
Virginia tobacco farms are typically small family farms with few alternative crops capable of generating the per acre returns necessary to support their operations.
Ranson指出相对于黄金价格，美国农地成本自1919年以来平均在约2.4盎司黄金每英亩的水平。
Mr Ranson says that relative to the bullion price, American farmland has cost around 2.4 ounces of gold per acre on average since 1919.
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.
购买这片土地将美国的领土扩大了一倍，按当时货币算，花费大约为每英亩3美分(每公顷7美分)。
Acquiring the territory would double the size of the United States at a cost in the currency of the day of less than 3 cents per acre (7 cents per ha).
“每英亩土壤的固碳率增加百分之一，就能多带来6万加仑的水，”阿普费鲍姆说，“这些水渗入地下，补充了地下水的储量。”
"Every one percent increase in soil carbon holds an additional 60, 000 gallons of water per acre," says Apfelbaum. "water infiltrates the ground and replenishes groundwater sources."
据报道，意大利的25 个填埋场平均每英亩有 6.2 个漏洞，其中大于 100平方厘米的漏洞 320 个；
It was reported average landfill has 6.2 holes per acre in Italy's 25 landfillls, in which 320 holes are bigger than 100 square centimeter.
虽然在地球表面每英亩空气柱中有34,500吨气态氮，但是如果这些气态氮不被固氮菌和藻类固定，是不能被植物利用的。
Although there is 34,500 tons of gaseous nitrogen in the air column above each acre of the earth's surface, this cannot be used by plants until it has been fixed by nitrogen-fixing bacteria and algae.
在面积这样小的区域内建造如此多的公寓单位，其住房密度将达到每英亩水域30个公寓单位，这样，该大楼周围便可留有更多的开阔水面。
With so many units built into such a small area, the housing complex will achieve a density of 30 units per acre of water, leaving more open water surrounding the structure.
孟山都公司表示，这种大豆可将伊利诺斯州一个普通豆农的单位产量提高7 - 11%(每英亩3.5 - 5.5蒲式耳)。
Monsanto said the soybean will boost yields by between 7 percent and 11 percent (between 3.5 and 5.5 bushels per acre) for an average farmer in Illinois.
孟山都公司表示，这种大豆可将伊利诺斯州一个普通豆农的单位产量提高7 - 11%(每英亩3.5 - 5.5蒲式耳)。
Monsanto said the soybean will boost yields by between 7 percent and 11 percent (between 3.5 and 5.5 bushels per acre) for an average farmer in Illinois.
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