علف‌های هرز و آنچه به ما می‌گویند، نوشته‌ی ارنفرید ای. فایفر

Weeds and What They Tell Us considers weed communities as clues about soil conditions and discusses practical principles for responding to them. The book is available from JPI: https://www.jpibiodynamics.org/products/weeds-tell-us-ehrenfried-pfeiffer

Pfeiffer discusses weed varieties, how they grow, and what their presence can indicate about soil health.

It explains the biological principles of responding to weeds and then applies them in practical ways adaptable to different situations.

This third edition from Floris Books contains sixteen topical chapters and twenty-two black-and-white line drawings in a concise ninety-six-page guide.