Biochar: A Field Guide for Gardeners and Farmers    by EcoTechnologies
Price: $9.98 USD. 9690 words. Published on October 27, 2010. .
This book is written in layman's terms for gardeners & farmers by leading soil scientists and horticulturalists. It explains how biochar contributes to healthy soil that is the foundation for human health and how, as a sustainable soil enhancer, biochar promotes healthy plant/crop growth by aiding soil microbiology in a natural way, helping the efficiency of water uptake and nutrient retention.