Casoron controls weeds before they emerge by developing a barrier to the weed's growth on the surface of the soil. It prevents weeds from getting through this vapour barrier, and kills the ones already rooted there. Established plants that have a developed system of roots under the barrier are generally safe from harm. Special compositions of Casoron have been developed for weeds in the water as well, as for weed control under blacktop. Casoron is often used in tree nurseries, orchards, vineyards and parks.
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Things you need
- Wet mulch
Apply Casoron over the surface of the soil by hand over smaller areas. Use a spreader for larger areas.
Spread Casoron when rain is expected after application. If you can't time the application to precede a rainfall, water the treated area after application or cover the site with wet mulch.
For the most efficient weed control and to avoid having to remove dead weeds, apply Casoron before germination in early spring. Casoron works for up to seven months, so an application before the growing season should be sufficient.
Wait until the soil warms up before applying Casoron. When air temperatures are above 15 degrees Celsius, the soil temperature should be high enough to provide optimal conditions for Casoron.
Use Casoron for annual weed control every growing season at a rate of 110 kgs per hectare. Apply it to kill difficult-to-control perennial weeds and grasses every other year at a rate of 175 kilograms per hectare.
Avoid applying Casoron near plants that die in the fall and on groundcover with shallow rots like adjuca. Apply Casoron no sooner than four weeks around transplanted crops.
Keep Casoron from greenhouses, seedbeds or cutting beds. Keep vegetables away from treated areas for a year after applying Casoron.
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