Table 1.11-3. Herbicides listed by Organic Materials Review Institute (OMRI) or by manufacturer for use in organic production as of October 15, 2008
| Product | Active ingredients | Application | Manufacturer |
|---|---|---|---|
| Blackberry & Brush Block | 20% citric acid | Foliar contact | Greenergy, Inc. www.greenergyinc.com |
| Corn gluten meal (fertilizer product) | Corn gluten meal | Preemergent soil-applied | For more information, see www.gluten.iastate.edu |
| GreenMatch EX |
50% lemon grass oil | Foliar contact | Marrone Organic Innovations www.Marroneorganicinnovations.com |
| Herbicidal soap | Various salts of fatty acids | Foliar contact | Several brands; may be synthetic and used for farm stead maintenance on nonfood crops only |
| Matran EC |
50% clove oil | Foliar contact | EcoSmart Technologies Inc. www.ecoipm.com |
| Matratec AG | 50% clove oil | Foliar contact | ClawEl Specialty Products, Brandt Consolidated Inc. www.clawel.com |
| Racer | 40% ammonium nonanoate (3.3 lbs active ingredient/gal) |
Foliar contact | Falcon Lab www.falconlabllc.com |
| Weed Zap |
45% clove and 45% cinnamon oil | Foliar contact | JH Biotech Inc. www.jhbiotech.com |
| Worry Free Weed and Grass Killer Concentrate | 70% citrus oil | Foliar contact | Worry Free products by Lilly Miller www.lillymiller.com |
