frozen hard or covered; or the soil is inorganic nitrogen fields next to a waters may cause • You should cracked down to field fertiliser you need. watercourse, spring surface water pollution be particularly careful drains or backfill; or Work out how much or borehole where by run off down slopes when applying any kind the field has been nitrogen is in the the surface is or by seepage into of nitrogen fertiliser to pipe or mole drained soil and how much severely drainage systems or fields where there is a or subsoiled over the crop needs. compacted. groundwater pollution. risk of nitrogen getting drains in the last 12 fields next to a (many other similar • into surface water via months; or heavy rain 63 If liquid slurry is watercourse, spring recommendations ) run-off. You should is forecast within the kept in or borehole that are take into account the next 48 hours circular waterlogged. slope of the land, stores you can fields next to • weather conditions, spread the waste at watercourse, spring ground cover, proximity any time as long as or borehole that to surface waters, soil the soil, crop and have a steep slope conditions and the weather conditions or the soil is at field presence of land are suitable. capacity… etc. drains. 187 Take special care in applying any inorganic fertiliser on fields where there is a risk of run-off to surface water. The risk is greatest when the field is waterlogged of frozen hard. Do not apply nitrogen fertiliser between 1 September and 1 February unless a crop needs it during this time. 188 Avoid applying fertiliser to a watercourse.
frozen hard or You should be particularly careful when applying any kind of nitrogen fertiliser to fields where there is a risk of nitrogen getting into surface water via run-off. You should take into account the slope of the land, weather conditions, ground cover, proximity to surface waters, soil conditions and the presence of land drains. covered; or the soil is cracked down to field drains or backfill; or the field has been pipe or mole drained or subsoiled over drains in the last 12 months; or heavy rain is forecast within the next 48 hours inorganic nitrogen fertiliser you need. Work out how much nitrogen is in the soil and how much the crop needs. 63 If liquid slurry is kept in circular stores you can spread the waste at any time as long as the soil, crop and weather conditions are suitable. • fields next to a watercourse, spring or borehole where the surface is severely compacted. • fields next to a watercourse, spring or borehole that are waterlogged. • fields next to watercourse, spring or borehole that have a steep slope or the soil is at field capacity… etc. 187 Take special care in applying any inorganic fertiliser on fields where there is a risk of run-off to surface water. The risk is greatest when the field is waterlogged of frozen hard. Do not apply nitrogen fertiliser between 1 September and 1 February unless a crop needs it during this time. 188 Avoid applying fertiliser to a watercourse. waters may cause surface water pollution by run off down slopes or by seepage into drainage systems or groundwater pollution. (many other similar recommendations )