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reko34
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- ·ÒëEPI: 132
- Ó¦Öú: 117 (¸ßÖÐÉú)
- ½ð±Ò: 4794.2
- É¢½ð: 22
- ºì»¨: 12
- Ìû×Ó: 780
- ÔÚÏß: 417.4Сʱ
- ³æºÅ: 3055206
- ×¢²á: 2014-03-15
- ÐÔ±ð: GG
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john3376: ½ð±Ò+15, ·ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2014-06-19 17:35:49
john3376: ½ð±Ò+15, ·ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2014-06-19 17:35:49
| In China, locoweed is distributed in high altitude areas, where natural environment is severe and ecology is fragile. The root system of locoweed is highly advanced. Germination and growth doesn't stop until a excavation depth of 10 cm is reached, so the effect is not optimal. Furthermore, a large area of locoweed removal consumes human resource and damages vegetation, and very likely causes desertification of grassland, making it hard to restore the vegetation. |
2Â¥2014-06-19 17:08:51














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