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A permanent, public record of
real-world agricultural performance.
real-world agricultural performance.
The public evidence database
Every record.
Permanent. Public. Challengeable.
What you see here is what actually happened — on real farms, in real conditions, recorded by the people who were there. No results have been removed. No data has been filtered for presentation. The record that shows something not working is as permanent as the record that shows something that does.
1,284
Proof Records
312
Contributors
47
Regions
4
Live Enterprises
100%
Independent
PRF-UK-2025-000184Verified
Arable
Winter Wheat — Biostimulant Application
TreatmentNordicBoost @ 2L/ha
Yield — Applied9.42 t/ha
Yield — Untreated8.96 t/ha
Outcome+0.46 t/ha
⬡ IMMUTABLE RECORD · LOCKED ON SUBMISSION · CANNOT BE EDITED OR DELETED
PRF-UK-2025-000031Structured
Beef
Suckler Herd — Pre-calving Mineral Programme
ProgrammeIntraruminal bolus, n=46
Birth weight — Programme43.2 kg
Birth weight — Standard41.7 kg
Assisted calvings8.7% vs 14.6%
⬡ IMMUTABLE RECORD · LOCKED ON SUBMISSION · CANNOT BE EDITED OR DELETED
PRF-UK-2025-000097Replicated
Sheep
Ewes — Wormer Programme Comparison
ProgrammeOral drench d0 + d28
Lamb survival — Programme94.2%
Lamb survival — Standard89.7%
FEC at d42180 vs 340 epg
⬡ IMMUTABLE RECORD · LOCKED ON SUBMISSION · CANNOT BE EDITED OR DELETED
PRF-UK-2025-000203Verified
Regenerative
Cover Crop — 8-Species Mix vs Bare Fallow
Mix8-species herbal ley
Soil OM — Cover cropped4.2%
Soil OM — Bare fallow3.6%
Earthworm count+34% vs fallow
⬡ IMMUTABLE RECORD · LOCKED ON SUBMISSION · CANNOT BE EDITED OR DELETED
PRF-UK-2025-000156Replicated
Arable
OSR — Fungicide Timing Comparison
ProgrammeT1 + T2 application
Yield — Programme4.82 t/ha
Yield — Untreated4.31 t/ha
Outcome+0.51 t/ha
⬡ IMMUTABLE RECORD · LOCKED ON SUBMISSION · CANNOT BE EDITED OR DELETED
PRF-UK-2025-000088Structured
Sheep
Rams — Trace Element Trial
ProgrammeSe + Co bolus pre-tupping
Scanning rate — Programme178%
Scanning rate — Standard162%
Outcome+16% scanning rate
⬡ IMMUTABLE RECORD · LOCKED ON SUBMISSION · CANNOT BE EDITED OR DELETED
PRF-UK-2025-000214Verified
Regenerative
Maize — Mycorrhizal Inoculant
TreatmentMycorrhizal seed treatment
Yield — Treatment14.2 t/ha DM
Yield — Untreated13.4 t/ha DM
Outcome+0.8 t/ha DM
⬡ IMMUTABLE RECORD · LOCKED ON SUBMISSION · CANNOT BE EDITED OR DELETED
PRF-UK-2025-000142Structured
Beef
Finishing Cattle — Feed Additive Trial
AdditiveRumen buffer @ 50g/hd
DLWG — Additive1.42 kg/hd/day
DLWG — Control1.28 kg/hd/day
Outcome+0.14 kg/hd/day
⬡ IMMUTABLE RECORD · LOCKED ON SUBMISSION · CANNOT BE EDITED OR DELETED
PRF-UK-2025-000071Observational
Arable
Spring Barley — Soil Conditioner Application
ProductCalcium sulphate @ 500kg/ha
Yield observed5.82 t/ha
NotesNo untreated comparison
Soil pH pre/post6.2 → 6.6
⬡ IMMUTABLE RECORD · LOCKED ON SUBMISSION · CANNOT BE EDITED OR DELETED
PRF-UK-2025-000189Structured
Beef
Suckler Cows — Vaccination Programme
ProgrammeBVD + Leptospirosis annual
Calf mortality — Programme2.1%
Calf mortality — Control5.4%
Weaning weight+8.2 kg vs control
⬡ IMMUTABLE RECORD · LOCKED ON SUBMISSION · CANNOT BE EDITED OR DELETED
PRF-UK-2025-000223Replicated
Arable
Winter Wheat — Variety Comparison
Top performerSkyscraper — 10.2 t/ha
Trial mean9.1 t/ha
Bottom performer7.8 t/ha
Disease ratingSkyscraper: 8.2 / 10
⬡ IMMUTABLE RECORD · LOCKED ON SUBMISSION · CANNOT BE EDITED OR DELETED
PRF-UK-2025-000044Observational
Regenerative
Herbal Ley — Establishment & Year 1 Persistence
Mix12-species herbal ley
Establishment86% target species
Year 1 persistence74% target species
Livestock performanceNo comparison available
⬡ IMMUTABLE RECORD · LOCKED ON SUBMISSION · CANNOT BE EDITED OR DELETED
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