作物

• The crop and the way it is used determine the nutrients removed .
  作物种类及其利用方式决定着养分耗失的数量。
• Molybdenum deficiency is found when legumes are grown on acid soils .
  在酸性土壤上种植豆科作物时常发现缺钼。
• Farmers need new crops that are in demand and can be grown at a profit .
  农民需要新的作物，并能进行盈利栽培。
• The nature of the crop may have an impact on the rate of technological change .
  作物的性质可能影响技术进步的速度。
• A great variety of crops are likewise grown successfully on these plots .
  各种不同的作物也成功地在这些农区里生长。
• A crop can be sown, weeded, irrigated, and fertilized uniformly .
  一种作物可以均匀一致地进行播种，除草，灌溉和施肥。
• The soybean plant was not used to any great extent for forage in the orient .
  大豆作物本身在东方没有大量地作为饲料使用。
• Very different fertilizer treatments are needed for these two tropical tree crops .
  这两种热带作物需要完全不同的施肥方法。
• Agronomists are concerned with the production of crops for food, feed, and fibre .
  农学工作者应学习食物、饲料和纤维作物的生产。
• Specific crops and specific regions(soils)have more finely defined needs .
  特定作物和特定地区（土壤）都具有规定性更精确的需要。