Hi Benny,

You might find the following books useful for learning what weeds indicate. They’re all available from Acres USA. I don’t have any recommendations for resources on what pests are telling us about host plant nutritional imbalances.

• When Weeds Talk
• Weeds – Control Without Poisons
• Weeds & What They Tell Us

• This reply was modified 1 month, 3 weeks ago by  Aaron Burkholder.