长期连作对棉田土壤酶活性的影响
LI Feng, LIU Shu-Juan, Geng- Wei, Yue- Jian, Liu-Jian-Guo
China Cotton . 2008, (6): 34 -34 .  DOI: 10.11963/issn.1000-632X.20080620

ISSN 1000-632X　CN 41-1140/S
Superintendent: Ministry of Agriculture and Rural Affairs, PRC
Sponsored by: Institute of Cotton Research of CAAS
Editor-in-Chief: Li Fuguang
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