A significant reduction of disease severity was observed on plant with BNR treatment compared with the non treat seedlings.
与未处理对照相比，BNR处理水稻植株的纹枯病害严重度明显降低。
2
It is necessary to study the characteristics of microorganisms in the sludge in order to efficiently evaluate the biological nutrient removal (BNR) process.
为了有效地评价除磷脱氮工艺，有必要研究污泥中微生物的特性。
3
Nitrogen and Phosphorus are restricted severely to prevent the water eutrophication. Biological nutrient removal (BNR) is an important water pollution control technology.