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VOA慢速英语2010年-Agriculture Report - In the Garden: Ge

时间:2010-07-09 02:39:57

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This is the VOA Special English Agriculture Report.

Most kinds of rose plants come from Asia. But roses are also native to other areas including northwest Africa, Europe and the United States.

In nineteen eighty-six, Congress chose the rose as America's national flower. Technically1, Congress and President Ronald Reagan declared it the "national floral emblem2." Whatever the name, the decision did not smell sweet to supporters of other popular flowers.

Some people say roses are difficult to grow. But you have a good chance of success if you start with a few suggestions from experts.

You should plant your roses where they can get sunshine for about six hours on bright days. You can buy roses from a garden center or by mail order. You can buy potted roses, also known as container roses, or bare-root plants. Each kind has its fans.

Some gardeners say potted roses are easier to plant. They say the roots develop better. But Jeffrey Dinslage, president of Nature Hills Nursery in Omaha, Nebraska, points out that bare-root roses come without soil. So they weigh less to transport.

The University of Illinois Extension advises getting bare-root roses as close to planting time as you can. If they arrive before you are ready to plant them, make sure the packing material is moist. Keep the plants in a cool, dark place.You plant the roses while they are dormant3.

The resting plants have no leaves but still need water.When growing roses, the soil should feel moist deep down. Watering should be done in the morning. That can prevent problems called black spot and mildew4.

But do not water too much. Jeffrey Dinslage says people often ask him about unhealthy discoloration on rose leaves. He says the spots are usually caused by too much water. After heavy rains or too much watering, he advises pulling away mulch temporarily from around the roots. This will help dry the soil.

In normal conditions, placing mulch around rose plants is a good idea. Mulch suppresses weeds and holds moisture in the soil. You can use mulch made from bark, pine needles, cottonseed or oak leaves.

If your soil is very dry, you can add peat or compost, which returns nutrients5 to the soil. If aphids, thrips or other insects invade your rose bushes, you may be able to force them off with just a strong spray of water.

And that’s the VOA Special English Agriculture Report, written by Jerilyn Watson. Tell us about your experience with roses. You can write comments and read and listen to our reports at voaspecialenglish.com. I'm Jim Tedder6.
 


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点击收听单词发音收听单词发音  

1 technically wqYwV     
adv.专门地,技术上地
参考例句:
  • Technically it is the most advanced equipment ever.从技术上说,这是最先进的设备。
  • The tomato is technically a fruit,although it is eaten as a vegetable.严格地说,西红柿是一种水果,尽管它是当作蔬菜吃的。
2 emblem y8jyJ     
n.象征,标志;徽章
参考例句:
  • Her shirt has the company emblem on it.她的衬衫印有公司的标记。
  • The eagle was an emblem of strength and courage.鹰是力量和勇气的象征。
3 dormant d8uyk     
adj.暂停活动的;休眠的;潜伏的
参考例句:
  • Many animals are in a dormant state during winter.在冬天许多动物都处于睡眠状态。
  • This dormant volcano suddenly fired up.这座休眠火山突然爆发了。
4 mildew 41oyq     
n.发霉;v.(使)发霉
参考例句:
  • The interior was dark and smelled of mildew.里面光线很暗,霉味扑鼻。
  • Mildew may form in this weather.这种天气有可能发霉。
5 nutrients 6a1e1ed248a3ac49744c39cc962fb607     
n.(食品或化学品)营养物,营养品( nutrient的名词复数 )
参考例句:
  • a lack of essential nutrients 基本营养的缺乏
  • Nutrients are absorbed into the bloodstream. 营养素被吸收进血液。 来自《简明英汉词典》
6 tedder 2833afc4f8252d8dc9f8cd73b24db55d     
n.(干草)翻晒者,翻晒机
参考例句:
  • Jim Tedder has more. 吉姆?特德将给我们做更多的介绍。 来自互联网
  • Jim Tedder tells us more. 吉姆?泰德给我们带来更详细的报道。 来自互联网

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