¿ÆѧÍø

 ÕÒ»ØÃÜÂë
  ×¢²á
Öö¥ · µØÇòµÄ¡°Æ¤·ô°©¡±---¶ÔÍÁÈÀÇÖÊ´»·¾³ÎÊÌâµÄͨË×Àí½â
ÈÈ¶È 1 2018-5-3 15:41
µØÇòµÄ¡°Æ¤·ô°©¡±---¶ÔÍÁÈÀÇÖÊ´»·¾³ÎÊÌâµÄͨË×Àí½â ÁõÁÁ Î÷±±Å©ÁֿƼ¼´óѧˮÍÁ±£³ÖÑо¿Ëù Âí­ . Ames: Iowa State University Press, 1995. 2 Montgomery D. R. Soil erosion and agricultural sustainability . Proceedings of the National Academy of Sciences of the United States o ...
¸öÈË·ÖÀà: ÍÁÈÀÇÖÊ´¿ÆÆÕ|5614 ´ÎÔĶÁ|2 ¸öÆÀÂÛ ÈÈ¶È 1
¹úÄÚûÓÐGoogle Scholar£¬¿ÉÒÔÑ¡ÔñMicrosoft Academic Search
ÁõÁÁ 2014-12-14 18:57
Microsoft Academic Search http://academic.research.microsoft.com/
¸öÈË·ÖÀà: ¿Æѧ¹¤¾ß|4453 ´ÎÔĶÁ|ûÓÐÆÀÂÛ
ÎÄÏ×¼ìË÷ÐĵÃ
ÈÈ¶È 1 ÁõÁÁ 2011-9-22 16:56
×÷Ϊ×ÊÁÏ×îΪÍêÉƵġ°¹ú¼Ò¿Æ¼¼Í¼ÊéÎÄÏ×ÖÐÐÄ¡±£¨ http://www.las.ac.cn/index.jsp £©¿ÉÒÔ¼ìË÷µ½¹úÄÚÊղصĸ÷ÀàÎÄÏ××ÊÁÏ¡£Í¬Ê±×÷Ϊ±±¾©µØÇø¸ßУ¡¢¿ÆÑе¥Î»µÄÑо¿Éú£¬¿ÉÒÔ×¢²á ±± BALISÔ­ÎÄ´«µÝÖÐÐÄ£¨ http://202.112.118.46/ywcdwz/index.html £©¡£Á½¸öϵͳ½áºÏ£¬Ç°Õß¼ìË÷£¬ºóÕß»ñÈ¡ÎÄÏ×£¬ÊÇÒ»¸öÓÐЧµÄ»òÐí²»³£ÓÃÎÄÏ×µÄÇþµÀ ...
4948 ´ÎÔĶÁ|1 ¸öÆÀÂÛ ÈÈ¶È 1

±¾Ò³ÓÐ 2 ƪ²©ÎÄÒò×÷ÕßµÄÒþ˽ÉèÖûòδͨ¹ýÉóºË¶øÒþ²Ø

Archiver|ÊÖ»ú°æ|¿ÆѧÍø ( ¾©ICP±¸07017567ºÅ-12 )

GMT+8, 2024-3-29 06:18

Powered by ScienceNet.cn

Copyright © 2007- Öйú¿Æѧ±¨Éç

·µ»Ø¶¥²¿