Alan Dewar was one of the managers of the Government-sponsored Farm Scale Evaluations of genetically modified herbicide tolerant (GMHT) crops conducted from 1999-2004. Building on that experience, Dewar Crop Protection can offer similar field scale studies, or much smaller plot studies, on the environmental impact of chemicals, biologicals or new technologies on:
Hover fly
7-spot ladybird
- Carabid and staphylinid beetles
- spiders
- Parasitoids
- Predators such as ladybirds, lacewings and hover flies
- Earthworms
- Soil micro-fauna
- Weeds and their seeds
Seed rain trap
Vortis suction sampler
Yellow water trap
Using a variety of recognised standard ecological techniques including: