By taking the water source of Binxian County

Heilongjiang Province

the Erlong reservoir

as an example

the condition

process

mechanism

and transportway of non-pointsource pollution were investi-gated. The influences of fertilizer

pesticides

utilization and managementof agricultural biomass waste

and soil erosion on the water source were analyzed. To achieve the human-water harmony

source of pollution and its transportway

capacity of ecological restoration

managementof agricultural biomass waste in vil lage

control of soil erosion

and the rehabilitation along the river corridor should be taken into consideration so as to control the non-pointsource pollution.