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<´ÙÀ½ ¾îÈÖ¸¦ Ȱ¿ëÇÏ¿© ºóÄÀ» ä¿öº¸¼¼¿ä> ( to recycle, organisms, break down, full of nutrients ) The soil contains many bacteria and other small (1)______________ that are decomposers. Èë ¼Ó¿¡´Â ¸¹Àº ¹ÚÅ׸®¾Æ¿Í ´Ù¸¥ ÀÛÀº À¯±âü°¡ µé¾îÀִµ¥ ±×°ÍÀÌ ºÐÇØÀÚÀÔ´Ï´Ù. The decomposers feed on the plants in the compost pile. ºÐÇØÀÚ´Â Åðºñ ´õ¹Ì¼ÓÀÇ ½Ä¹°µéÀ» ¸Ô°í »ð´Ï´Ù. They work to (2)_________________ all the plant material. ±×µéÀº ½Ä¹°¼ººÐµéÀ» ÀÛ°Ô ºÐÇØÇÕ´Ï´Ù. As they break down the plant material, the decomposers release nutrients such as carbon and nitrogen. ±×µéÀÌ ½Ä¹°¼ººÐÀ» ºÐÇØÇÒ ¶§, ź¼Ò³ª Áú¼Ò °°Àº ¾çºÐÀ» ¹æÃâÇÕ´Ï´Ù. This makes the compost pile (3)_____________________. ¹Ù·Î ÀÌ ¶§¹®¿¡ Åðºñ°¡ ¾çºÐÀÌ Ç³ºÎÇÑ ¾çºÐÀ¸·Î °¡µæÇØÁö´Â °ÍÀÔ´Ï´Ù. The nutrient-rich material in the compost pile is called humus. ¾çºÐÀ¸·Î °¡µæÇÑ Åðºñ ¹°ÁúÀ» ºÎ½ÄÅä¶ó°í ºÎ¸¨´Ï´Ù. It takes time for the decomposers to break down plant material into nutrient-rich humus. ½Ä¹°¼ººÐÀ» ¾çºÐÀÌ Ç³ºÎÇÑ ºÎ½ÄÅä·Î ÀüȯÇÏ·Á¸é ½Ã°£ÀÌ °É¸³´Ï´Ù. However, if the decomposers have the right amount of water and oxygen, they can make humus in about three months. ±×·¯³ª ÀÌ ºÐÇØÀÚµéÀÌ Àû´ç·®ÀÇ ¹°°ú »ê¼Ò¸¦ °¡Áö°Ô µÇ¸é ¼® ´ÞÀÌ¸é ºÎ½ÄÅ並 ¸¸µé ¼ö°¡ ÀÖ½À´Ï´Ù. Compost piles must be moist, but not soggy. ÀÌ ¹è¾çÅä´Â ÃËÃËÇØ¾ß ÇÏÁö¸¸ ³Ê¹« ¼öºÐÀÌ ¸¹¾Æ¼µµ ¾È µË´Ï´Ù. Turning the pile with a shovel every week or two adds oxygen to the pile. ºÎ»ðÀ¸·Î Åðºñ ´õ¹Ì¸¦ ¸ÅÁÖ ÇÑ µÎ ¹ø Á¤µµ µÚÁý¾î ÁÖ¾î¾ß »ê¼Ò°¡ Àß µé¾î°©´Ï´Ù. Decomposers need oxygen to keep working. ºÐÇØÀÚ°¡ ÀÏÀ» Çϱâ À§Çؼ´Â »ê¼Ò°¡ ÇÊ¿äÇÏ´ä´Ï´Ù. What do people do with humus from a compost pile? ±×·¯¸é »ç¶÷µéÀº ÀÌ ¹è¾çÅä·Î ¸¸µé¾îÁø ºÎ½ÄÅ並 ¾îµð¿¡ ¾²´Â °ÍÀϱî¿ä? They can mix humus into the soil in gardens and flowerbeds. »ç¶÷µéÀº Á¤¿øÀ̳ª ²É¹çÀ» °¡²Ù´Â ÈëÀ¸·Î ÀÌ ºÎ½ÄÅ並 »ç¿ëÇÕ´Ï´Ù. Humus adds nutrients to the soil. ºÎ½ÄÅä´Â Èë ¼Ó¿¡ ¾çºÐÀ» °ø±ÞÇØ Áְŵç¿ä. It helps make plants grow better. ±× ¾çºÐÀº ½Ä¹°µéÀ» Àß ÀÚ¶ó°Ô ÇØÁÝ´Ï´Ù. Decomposers make the humus rich in nutrients. ºÐÇØÀÚµéÀº ºÎ½ÄÅ並 ´õ ¾çºÐÀÌ Ç³ºÎÇÑ ÈëÀ¸·Î ¸¸µé¾îÁÝ´Ï´Ù. Making a compost pile is a great way (4)_________________ yard and kitchen waste. Åðºñ¸¦ ¸¸µå´Â °ÍÀº ÁÖ¹æ°ú Á¤¿øÀÇ ¾²·¹±â¸¦ ÀçȰ¿ëÇÏ´Â ÈǸ¢ÇÑ ¹æ¹ýÀ̶ø´Ï´Ù. Answers (1) organisms (2) break down (3) full of nutrients (4) to recycle |
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