Humic and Fulvic Acids for Cannabis: What Research Shows
Humic and fulvic acids are sold as cannabis growth boosters. Learn what they are, what a Utah State study found and when they might be worth it.
Root Exudates: How Cannabis Roots Feed Soil Life
Root exudates are sugars and acids cannabis roots leak into soil. See how they feed microbes, build soil structure and help plants reach nutrients.
Mushroom Compost for Cannabis Beds: Benefits, Salts and Timing
Spent mushroom compost adds organic matter to cannabis beds but can carry extra salts. Learn why weathered material is safer and how to use it.
Coffee Grounds in Cannabis Gardens: What They Really Do
Used coffee grounds can improve cannabis bed soil in small doses but do not acidify it. Learn safe amounts for compost piles, soil and mulch.
Leaf Mold for Cannabis Beds: Turn Fall Leaves Into Soil Food
Leaf mold is decayed tree leaves that improve soil structure and hold water in cannabis beds. Learn how to make it in a bin or bag and use it.
Manure for Cannabis Beds: Fresh vs Composted and When to Add It
Fresh manure brings salts and weed seeds to outdoor cannabis beds. Learn which manure to use, how long to wait and how to mix it in.
Earthworms in Garden Soil: What They Do for Cannabis Beds
Earthworms in garden soil build structure and help water soak in. Learn what they do in cannabis beds, what keeps them around and how to check for them.
Composting Garden Waste From Your Cannabis Grow
Every outdoor grow produces a pile of plant waste. Leaves, stems, spent plants, weeds and trimmings add up quickly by
Compost Tea for Cannabis: What the Evidence Says
Compost tea cannabis guide: how aerated and non-aerated teas are brewed, why disease results are inconsistent, and where compost itself does better.