Test your organic know-how

Instead of relying on conventional wisdom, local author Jeff Gillman turned to scientific literature and his own research to separate organic fact from organic fiction. Some of his results may surprise you.

See how you do on this true-or-false quiz based on his new book, "The Truth About Organic Gardening."

1 Beer traps are an effective way to control slugs.

True. If the traps are placed into the ground with the lip of the container level with the surrounding soil, slugs will be attracted to the aroma of the beer, will fall into the trap and drown.

2 Manure is always a desirable soil amendment.

False. While composted manure is a wonderful addition to the soil, fresh manure shouldn't be used because it can release ammonia, which can badly injure plants. Fresh animal manure can also contain human pathogens.

3 Corn gluten meal can suppress weeds when applied to the soil.

4 Praying mantises are useful for controlling insect pests in the garden.

False. Mantises do not eat enough to effectively control harmful insects.

5 Insecticidal soaps are completely benign.

False. Although soaps are generally considered safe for humans, they can kill beneficial soft-bodied insects and damage certain plants if improperly used.