Study

Fate of nitrogen in cattle slurry following surface application or injection to grassland

  • Published source details 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.

Actions

This study is summarised as evidence for the following.

Action Category

Amend the soil with formulated chemical compounds

Action Link
Soil Fertility
  1. 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.

     

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