Substances found in places such as plant sprouts and human urine which stimulates growth in plant tissues promoting root formation.
SOURCE: www.mastercomposter.com
Check Also
Hydrochar turns agricultural waste into a powerful tool for healthier, carbon-rich soils
By converting waste biomass into hydrochar, farmers and land managers may be able to improve soil quality while contributing to carbon management.
Web-Resol Tudo sobre Limpeza Urbana e Resíduos Sólidos!