Welcome to Chinese Agricultural Science Bulletin,
Spatial-temporal Variance of Paddy Soil Organic Matterin Hainan Province
Qi Zhiping Zhang Liming Sang Aiyun Cao Qimin Wang Hua Wei Zhiyuan
Chinese Agricultural Science Bulletin . 2007, (7): 547 -547 .  DOI: 10.11924/j.issn.1000-6850.0707547