Spatial-Temporal Characteristic of Agricultural Non-point Source Nitrogen and Phosphorous Pollution in Guizhou
ZHENG Jian, HAN Hui-qing, CAI Guang-peng, GAO Hong-juan
JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI . 2013, (6): 1 -4 .  DOI: 10.3969/j.issn.1001-5485.2013.06.001