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The content of Corg in the aggregates of the arable gray forest soil was higher than in the similar-sized aggregates of the soil taken under the forest by 1.8¨C2.0 times. Taking into consideration the changes in the proportions of the fractions compared to the undisturbed soil, the highest depletion of Corg in the arable soil was due to the coarsest structural units 10¨C5 and 5¨C3 mm in size ¶í¹úÈËдµÄÓ¢ÎÄ¡¡Æäʵ·ÒëÆðÀ´ºÃÏñ¶¼Ã÷°×£¬µ«ÊÇÓÐÒ»¾ä²»ÖªµÀÔõôµØ¸Ð¾õºÃÏñÊÇ˵·´ÁË¡¡Çó¸ßÈË·Ò룡 |
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sltmac(½ð±Ò+1): лл½»Á÷~ 2011-07-12 15:12:30
milo8482(½ð±Ò+20, ·ÒëEPI+1): ºÇºÇ£¬ºÍÎÒ·ÒëµÄÒ»Ñù¡¡°¥¡¡¿´Ñù×Óȷʵ¾ÍÊÇÕâÑùÁË¡¡²»ÖªµÀÕâ°ï¶í¹úÈËдµÄʲôÒâ˼¡ºÇºÇ£¡Ð»Ð» 2011-07-12 16:45:00
sltmac(½ð±Ò+1): лл½»Á÷~ 2011-07-12 15:12:30
milo8482(½ð±Ò+20, ·ÒëEPI+1): ºÇºÇ£¬ºÍÎÒ·ÒëµÄÒ»Ñù¡¡°¥¡¡¿´Ñù×Óȷʵ¾ÍÊÇÕâÑùÁË¡¡²»ÖªµÀÕâ°ï¶í¹úÈËдµÄʲôÒâ˼¡ºÇºÇ£¡Ð»Ð» 2011-07-12 16:45:00
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The content of Corg in the aggregates of the arable gray forest soil was higher than in the similar sized aggregates of the soil taken under the forest by 1.8~2.0 times. ÔڿɸûÖÖ»ÒÉ«ÉÁÖÍÁÈÀÍžÛÌåÖеÄÓлú̼º¬Á¿±ÈÔÚÉÁÖÀÆäËü£©¾ßÓÐÏàËÆ´óСµÄÍÁÈÀÍžÛÌå¸ßÁË80%µ½100%¡£ |
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