Storage, spreading, the rules and what they actually mean — gathered in one place, kept current, and stripped of the jargon. Free to use. No advertising. No agenda.
Free tools
No sign-up, no catch. Built on the official figures and openly sourced.
How much storage capacity your farm needs to meet SSAFO, NVZ and Farming Rules for Water — nation-aware for England, Scotland, Wales and NI.
Open the calculator → CalculatorThe nitrogen, phosphate and potash in your slurry, valued against today's fertiliser prices — and how your spreading method changes the figure.
Open the calculator →The rules are moving
Slurry regulation is in the middle of the biggest shake-up in years. We track it so you don't have to.
Sandy and shallow soils shut weeks ago. Ordinary soils go on 1 October (tillage) and 15 October (grassland) — in a year when a lot of stores are already full. Read the autumn guide →
Closed on 1 September after around 17,000 applications, with no 2027 opening date announced. The reformed SFI's second window opened on 22 September and closed the same day — the next SFI chance is 2027.
DAERA is analysing responses on the Nutrients Action Programme for 2027–2030, aiming for the start of 2027. Big proposals on derogations, phosphorus and spreading kit.
Raised splash plates have been banned since 2023. From January 2027 the small-farm exemption for low-level plates ends too — precision spreading for everyone.
Defra has committed three times to merging SSAFO, the Farming Rules for Water and NVZ rules into a single set of standards. Still no mechanism, and the Clean Water Bill isn't introduced yet.
Defra has consulted on the biggest change since 1989 — and there's a gap in the rules on septic tank waste that surprises most people. Read the guide →
Plain-English guides
Straight explanations of what the rules want and how to meet them — sensibly and cheaply.
England, Scotland, Wales and Northern Ireland — what each one actually requires, clearly dated.
The 4 / 5 / 6-month rules in plain terms, and how to work yours out.
Keep clean water out, separate dirty water, and free up capacity you already have.
Dry ground, full stores and a closing window — the dates by nation, and what to do if the store won't last.
What can lawfully go on your fields, the mixed-load trap, and the reform that would put it all under permits.
SSAFO, NVZ, freeboard, LESS, trailing shoe — every term in one plain line.