作物

• Sometimes two crops a year are taken in the humid tropics .
  在湿润的热带地区有时一年种两季作物。
• Ralph is equally astute in machinery and crop management .
  拉尔夫在作物和机械经营方面都同样聪明。
• Farmers rotate their crops so that the soil will remain fertile .
  为保持土壤肥力，农民搞作物轮作。
• Processing and storage also may alter plant vitamin content .
  加工和贮藏也会改变作物中维生素的含量。
• We figure out how much the plants are using in food and water .
  我们计算出作物需要多少营养，多少水分。
• After harvesting the crops, he tested them for nitrogen content .
  作物收获后，他测定了作物中氮的含量。
• The united states government has curtailed the export of this crop .
  美国政府已经缩减了这种作物的出口。
• Half the fruit crop froze out in the sudden severe autumn .
  有一半水果作物在秋天突如其来的严寒中冻死了。
• Pasture is the most important single crop in british agriculture .
  在英国农业中，牧草是最重要的一种作物。
• An error in planting annual crop can be corrected the following year .
  错栽了一年生作物，可以在翌年改正。