"Liquid manure" is a term used to describe animal waste, like poop and urine, that has become liquid. It is often used as fertilizer for plants because it has nutrients that can help them grow. Full definition
In Spallumcheen, the Christy Clark government is allowing a farm operation to spray liquid manure on property above the local aquifer, causing a water - quality advisory to be issued for the community. (bcndpcaucus.ca)
The spreading of liquid manure on a dairy farm above the Hullcar aquifer has been identified by the Ministry as the likely cause of high nitrate levels in the drinking water. (bcndpcaucus.ca)
So it is not surprising that in contrast to conventional farms where manure and slurry are often a waste problem, organic farmers are forced to develop efficient nitrogen management strategies like intercropping, catch cropping, optimal ploughing - in of legume crops or limiting the use of liquid manure to avoid nitrogen losses. (fao.org)