Verified field and peer-reviewed grape evidence currently available in the Nutra-Park archive.
Nutra-Park Brochure Field Record
Control 95 → FruitQ+ 132 boxes/row.
Country: USA
Location: California
Variety: Crimson
Cultivation: Open Field
Dilution: 1,000 : 1
Timing: 4 & 2 weeks before harvest
Peer-reviewed Study · 2008
| Region | Cultivar | Treatment | Reported Result | Note |
|---|---|---|---|---|
| USA | Crimson | 50 mg/L LPE | Total yield +50–58% for LPE/Ethrel vs control | Sequential application showed no significant advantage |
| USA | Red Globe | 50 mg/L LPE | Single LPE treatment +67% total yield vs control | Largest yield effect among reported treatments |
| Chile | Crimson | 2, 10, 50 mg/L LPE | All LPE treatments increased yield by >50% vs control | 2 mg/L showed best yield increase |
| Chile | Red Globe | 2, 10, 50 mg/L LPE | Noticeable yield increase | No significant difference between 2 and 10 mg/L |
| Chile | Crimson / Red Globe | Storage at 4°C for 1 month | Firmness maintained; Crimson +15% | No softening side effect reported |
Published study conditions are historical evidence and are not automatically the current Nutra-Park application recommendation.
Evidence Layer vs Recommendation Layer
Preserve the exact tested protocol and measured results.
Compare dose, timing, variety and repeatability across trials.
Publish a clear official crop program only after review.