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  3. Gardening can be both personally satisfying and a good activity for the mind and body. Flowers beautify your surroundings, while

Gardening can be both personally satisfying and a good activity for the mind and body. Flowers beautify your surroundings, while

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问题     Gardening can be both personally satisfying and a good activity for the mind and body. Flowers beautify your surroundings, while fresh vegetables provide some of the tastiest foods on your table.
    Plant scientist and gardening expert Lee Reich knows all about these things. He has written a number of books and "how to" guides. The Associated Press news agency publishes his stories on gardening and caring for plants of all sizes.
    A seedling is a young plant grown from a seed. It can be easy to grow seedlings inside the home. But what happens when they get bigger? Reich says seedlings that start indoors or in a greenhouse need to go through a period of transition before they can safely remain outdoors. This period is called " hardening off. " It will prepare the seedlings for wind, stronger sunlight and up-and-down temperatures. Here is what Reich suggests for hardening off your seedlings...
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答案 园艺既能给予个人满足感，又是对身心有益的好活动。鲜花美化你周围的环境。而新鲜蔬菜则为你提供一些最美味的食物。 植物科学家和园艺专家李.赖希对这些事情了如指掌。他已经写了很多书和做法类指南。关联社发表了他关于园艺和照顾各种大小植物的故事。 幼苗是从种子长成的小植物。在家里种植幼苗很容易，但是当它们长大时会发生什么?赖希说，从室内或温室开始长大的幼苗需要经过一段时间的过渡才能安全地养在室外，这个时期被称为“硬化”。这将让幼苗为风、更强烈的阳光和起伏的温度做好准备。以下是赖希对硬化你的幼苗提供的建议……
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