worked hard for over five years in the agricultural sector to introduce Best Practice, and the Home and Garden sector is now working on a similar plan for amateur use. The Amenity Action Plan puts a huge emphasis on getting this right.
Glyphosate is classed as a non-leacher, and application to soil represents a very low risk of water contamination. Glyphosate is adsorbed by clay particles in the soil and is broken down by naturally occurring microbes in both soil and water to harmless substances. This means that agricultural applications of glyphosate in field situations present a very low risk of water contamination, as do applications to soil around plants and plant-free areas in the amenity sector like
gravel, where permeable surfaces are overlying soil. There is, however, one non-agricultural
area which represents a higher risk of water contamination, even without misuse, and that is the overall use on hard surfaces, particularly tarmac/asphalt. Treatment of highways, pavements and paths in the amenity sector are top of the priority list here, because any run-off will enter drains and watercourses directly. Run-off does not occur from treated leaf material, once it has dried, because the glyphosate is trapped inside the plant breaking down gradually as the plant dies and the tissue rots. So, as long as application is carried out within a safe rain-free period there is minimum run-
off from sprayed foliage. Choosing a modern formulation, like
Roundup ProBiactive 450, will give a larger safety margin, ensuring uptake inside the plant within 1-4 hours compared with the some generic formulations which still require 6-24 hours of dry weather after spraying. Run-off from concrete is less than half of that from asphalt due to lock-up by calcium ions in the concrete, but clean asphalt has few binding sites for glyphosate and up to 50% of the applied dose may run-off with a heavy rain event within a few hours of spraying. A smaller proportion can still run-off even several days later, with 2-3mm of rain leading to detectable levels in surface water for a few days.
THE FUTURE OF TOTAL WEED CONTROL SPRAYING
Roundup ProBiactive 450 Applied NEAT via
The Mankar ULV Spraying System
• Save Labour • Save Pesticide • Save the
Environment
Roundup and Biactive are registered trademarks of Monsanto LLC. Roundup ProBiactive 450 contains glyphosate. ALWAYS READ THE LABEL. USE PESTICIDES SAFELY.
Tel: 01952 641949
Sales@amenity.co.uk 58 Shop online 24/7 @
www.amenity.co.uk
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