VOA慢速英语 种生菜 其乐无穷

日期:2010-04-27
分类:英语新闻

  种生菜 其乐无穷

  This is the VOA Special English Agriculture Report.

  Even in ancient times, people liked to eat lettuce. Egyptians and Romans served the green, leafyvegetable at the end of dinner.

  Now, people in some countries start the meal with lettuce as part of a salad. There are hundreds of kinds of lettuce. The main ones include head lettuce, such as iceberg, leaf lettuce, Boston, bibb and romaine.

  Experts say lettuce is one of the easiest crops to grow in your garden. The best time to plant the seeds is during cool weather. The University of Illinois Extension advises that the best planting temperature is fifteen degrees Celsius.

  Lettuce seeds are small, so do not place them too deep in the ground. If you plant some seeds every week or two, you will have crops ready to eat one after another.

  To start the seeds inside, you can use a seed tray in your home or other shelter. This container should be deep enough to hold at least three centimeters of soil or more. There should be about one centimeter of space between the soil and the top of the container. The container should have holes in the bottom so the extra water can flow out.

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