Greensand for Cannabis: Potassium Source or Soil Conditioner?
Greensand is a marine mineral sold as organic potassium. Rutgers soil scientists rate it as a soil conditioner first. See where it fits in cannabis beds.
Rock Dust for Cannabis: What It Can and Cannot Do
Rock dust is crushed stone sold as a mineral boost. See what Extension guidance says about it for cannabis beds and why a soil test comes first.
Feather Meal for Cannabis: Nitrogen Content and Use
Feather meal gives cannabis a slow, steady nitrogen supply. See its typical analysis, how fast it releases, how much to mix in and when to use it.
Rock Phosphate for Cannabis: A Slow Phosphorus Source for Acidic Soil
Rock phosphate is a mined mineral that releases phosphorus over several years. See its analysis and why soil pH decides whether it pays off.
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.
Cation Exchange Capacity: What CEC Means for Cannabis Growers
CEC tells you how well soil or a mix holds nutrients for cannabis roots. Learn what it means, how coco, peat and sand compare and how to use it.
Cannabis Edema: Why Blisters Form Under Leaves
Edema puts blisters under cannabis leaves when roots take up water faster than leaves lose it. See what causes it, how to spot it and how to stop it.
Cannabis Taproot vs Fibrous Roots: What Growers Should Know
Seed grown cannabis starts with a taproot, but clones form fibrous roots. Learn how each root system works, how deep it grows and which fits pots.
Cannabis Root Hairs: How Roots Drink and Feed
Cannabis root hairs take in most of a plant’s water and nutrients. Learn where they grow, why they fade so fast and what keeps fresh ones forming.