Individual study: Fate of nitrogen in cattle slurry following surface application or injection to grassland
Thompson R.B., Ryden J.C. & Lockyer D.R. (1987) Fate of nitrogen in cattle slurry following surface application or injection to grassland. Journal of Soil Science, 38, 689-700
This study is summarised as evidence for the intervention(s) shown on the right. The icon shows which synopsis it is relevant to.
Amend the soil with formulated chemical compounds
A replicated, controlled study in 1984-1985 on a loam soil in Berkshire, the UK (Thompson et al. 1987) found that adding a nitrification inhibitor to cattle slurry injected into pasture reduced nitrogen losses from 58 kg N/ha (slurry with no inhibitor) to 28 kg N/ha, and to 34 kg N/ha by spreading slurry on the surface. The effect was less pronounced in spring. The slurry treatments – surface application, injection into pasture, and injection with the nitrification inhibitor nitrapyrin – were applied to ryegrass Lolium perenne in December and April at a rate of 80 t/ha. Slurry was poured into ploughed slots in the injection treatments. Each treatment was replicated four times.