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Last Updated: 28/9/2026

ROMAZINA 900 WG

Active Ingredient: Simazine

10KG, 15KG

Use ROMAZINA 900 WG Herbicde for the control of weeds in chickpeas, lupins, T-T canola, orchards, vineyards and certain other horticultural crops and non-crop situations.

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    • ROMAZINA 900 WG is a pre-emergent herbicide, which is most effective when applied to bare, moist soil. Because it acts mainly through the roots of weeds, best results are obtained when rain or irrigation move the herbicide down to the root zone within 2 weeks of application. The duration and effectiveness of control depends on the amount applied, the type of soil, intensity of leaching and species of weeds present.
    • An integrated weed management strategy for TT-canola (the Strategy) has been developed and funded by the Canola Association of Australia in co-operation with certain companies. The Strategy is available from the Canola Association of Australia. A programme has been developed that outlines sound agronomic practices and integrated weed management programmes designed to optimise the performance of TT-Canola. It is advised that consultation on IWM be undertaken with an accredited agronomist prior to use of ROMAZINA 900 WG on TT-Canola.
    • Compatibility: This product may be mixed with amitrole, atrazine (900g/kg), diuron, glyphosate, diquat and paraquat-diquat mixtures. Because products may vary from time to time, a small-scale compatibility test should be carried out before mixing in the spray tank. For residual control of annual weeds in non-crop areas, pome and citrus and vineyards, mixtures of this product and glyphosate may be used. Half fill the spray tank with clean water before adding this product at the recommended rate and mix thoroughly. Then add 360g/L glyphosate product at 3L/ha or 700mL/100L and the remaining water. Maintain adequate agitation and use the mixture promptly. Do not use lower rates of glyphosate (360g/L) where control of perennial weeds is desired.

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