%0 Journal Article %A ZHENG Jian %A HAN Hui-qing %A CAI Guang-peng %A GAO Hong-juan %T Spatial-Temporal Characteristic of Agricultural Non-point Source Nitrogen and Phosphorous Pollution in Guizhou %D 2013 %R 10.3969/j.issn.1001-5485.2013.06.001 %J Journal of Yangtze River Scientific Research Institute %P 1-4 %V 30 %N 6 %X %U http://ckyyb.crsri.cn/EN/10.3969/j.issn.1001-5485.2013.06.001