Succession and Enhancement Mechanism of Ecosystem Productivity after De-farming in the Ecotone between Agriculture and Animal Husbandry of North China
杜 雄,张立峰
Scientia Agricultura Sinica . 2007, (12): 2788 -2795 .  DOI: 10.3864/j.issn.0578-1752.au-2007-00490

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