Meanings of say nitrate in English

He said nitrate pollution was already measured by a modelling system called Overseer.

The report said nitrate levels were typically low and all were better than drinking water standards.

Canterbury's medical officer of health, Alistair Humphrey, said nitrates were a small but significant risk to small babies.

He said nitrate management had not been a priority for the regional council and needs to be addressed as soon as possible.

Forest and Bird said nitrate pollution levels in Canterbury's drinking water were rising and the risk-maps the regional council relies on were out-of-date.

Last month, Forest and Bird said nitrate pollution levels in Canterbury's drinking water were rising and the risk-maps the regional council relied on were out-of-date.