Once more, nitrates are covered in today’s edition of The Press, with extensive quotes by Lan. It’s a complex issue explained in more detail in a previous post.
Today’s article is a big but informative read.
If the above text is too tiny, the text is also online.
This article available online is not exactly the same but covers the same ground.
https://www.stuff.co.nz/environment/115312065/will-ecans-proposed-nitrate-reductions-make-dairy-farming-untenable