生计多样化背景下种植业非点源污染负荷演变

钟建兵, 邵景安, 杨玉竹

Characteristics of non-point source pollution load of crop farming undergoing the background of livelihood diversification

Jianbing ZHONG, Jing'an SHAO, Yuzhu YANG

表5 研究区不同农户生计类型种植业产生的非点源污染负荷(t)

Tab. 5 Non-point source pollution load resulted by planting among different farmers' livelihood types

农户生计类型 总负荷量 TN TP 农业主导生计 17.22~16.22 11.59~11.88 5.63~4.33 兼业转向生计 13.04~12.08 9.45~8.76 3.58~3.33 非农主导生计 10.51~4.82 8.49~1.97 2.02~2.85