共 50 条
- [31] Effects of long-term cropping on organic matter content of soils: Implications for soil quality [J]. SOIL QUALITY AND SOIL EROSION, 1999, : 95 - 124
- [39] Long-term investigations of organic matter content in the Adriatic Sea as an indication of global changes [J]. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2017, 254