Acidifying slurry from a naturally high pH value to a neutral level, using sulphuric acid, can reduce ammonia emissions by at least 50 per cent.
Acidifying slurry from a naturally high pH value to a neutral level, using sulphuric acid, can reduce ammonia emissions by at least 50 per cent.
This week's letters from Farmers Guardian readers
The Chapelton herd is synonymous with quality, well-bred native cattle as a result of the careful stockmanship of the Biggar family