求翻译：在控制农业面源污染上主要是指防止水体富营养化和水质恶化的土壤养分、肥料、流失泥沙、牧畜粪便、大气降尘等进入河道水体。是什么意思？

In the control of agricultural non-point source pollution is the main means to prevent deterioration of water quality and eutrophication of soil nutrients, fertilizers, sediment loss, Livestock manure, atmospheric dust from entering the river water.

In the control, the main agricultural pollution of surface water eutrophication of water bodies refers to the prevention of deterioration of the water and soil nutrients, fertilizers, wastage and mud atmospheric fallen dust, pastoralists, such as faeces, access to river water.

Mainly is refers in the control agriculture surface source pollution prevented the water body eutrophication and the water quality worsen the soil nutrient, the fertilizer, the outflow silt, graze the excrement, the atmospheric falling dust and so on enter the river course water body.

On the control of agricultural non-point source pollution mainly refers to prevent eutrophication of water bodies and water quality deterioration of loss of soil nutrients, fertilizers, sediment, animal husbandry manure, atmospheric dust, and so into the River.

On the control of agricultural non-point source pollution mainly refers to prevent eutrophication of water bodies and water quality deterioration of loss of soil nutrients, fertilizers, sediment, animal husbandry manure, atmospheric dust, and so into the River.