Anything that can increase farming efficiency—the amount of crops we can produce per acre of land—will be extremely useful.
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。
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.
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。
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.
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。
Truvia's total rice acreage will not be expanded in the foreseeable future, nor will rice yields per acre increase appreciably.
在可预见的将来，特鲁维亚的水稻总面积不会扩大，每亩水稻产量也不会显著增加。
每英亩的产量是多少？
Planted cane may yield up to seventy tons per acre in good soil.
要是土质好，种的甘蔗每英亩可产到70吨。
Second, the distribution of food and the yield of food per acre can be improved.
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。
In addition, the plants produce about 22 percent more leaves per acre, the company said.
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%。
Fuel load is measured by the amount of available fuel per unit area, usually tons per acre.
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。
Even at $19 per acre-foot, $19 is not the cost of the water;it is simply the cost to deliver the water.
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。
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。
Of those, 14 townships were estimated to have an average loss between 20 tons and nearly 40 tons per acre.
在那些土壤流失的镇中，有14个镇估计平均每一英亩损失20 -40吨表层土。
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。
New afforestation regardless of cultivated land, mountain, by acceptance confirmation area per acre giving $ 50 one-time grants.
新造林不分耕地、荒山，按验收确认面积每亩给予50元的一次性补助。
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.
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。
Some plants, such as soybeans, also store fats and can be used as fuel sources, but photosynthetic microbes produce nearly 250 times more fat per acre.
虽然大豆的细胞内含有脂肪物质，也可以提取后加工成生物燃料，但是，就一英亩面积而言，光合微生物的产油量要比大豆高将近250倍。
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).
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)。
Without extensive mechanization it is estimated that cotton requires about 150 man-hours per acre, a greater labor input than for any other major crop.
据估计，若无充分的机械化，种植1英亩棉花约需150个工时。这比种植其它任何主要农作物投入的劳力都多。
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)。
But he also has a family to feed, and he is dubious that the group’s initial offer in the negotiation — $12 per acre, per year — is enough for him to accept.
在谈判中，那个组织的初期报价是每年每亩12美元，他怀疑这不足以让他接受。
Brazil’s Atlantic Forest, or Mata Atlântica, is home to 29 critically endangered vertebrates, and holds the world’s highest concentration of tree species per acre.
这是巴西的大西洋森林或称马塔亚特兰迪卡（Mata Atlântica），它不仅是29种极度濒危脊椎动物的家园，而且每英亩树种密度在世界上也首屈一指。
Virginia tobacco farms are typically small family farms with few alternative crops capable of generating the per acre returns necessary to support their operations.
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。
"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."
“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."
“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。”
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