Keith Reagan
Powdery Mildew and Fungicides Part 3: Plant Breeding
Part 3: Plant Breeding Plant Breeding as a Strategy Fungal infection resistance in any particular strain of plant can range from immunity (no infection at…
Powdery Mildew and Fungicides Part 2: Treatment Options
Part 2: Treatment Options Treatment Options Inorganic: Simple chemicals are often an effective and efficient method to prevent and manage fungal infections. Some chemical treatments…
Powdery Mildew and Fungicides: Part 1: Background
Part 1: Background the basics Powdery mildew is a common fungal disease of angiosperms (basically, any plant but conifers). The growing fungus looks grayish white…
Terpenoids, Trichomes & Cannabinoids Part 2: How they form
Part 2: How They Form Written by Mike Steffes – Quest Dehumidifiers Cannabinoid synthesis pathway As mentioned previously, cannabinoids are produced via the joining of…
Terpenoids, Trichomes & Cannabinoids Part 1: Where they are located
Part 1: Where they are located Written by Mike Steffes – Quest Dehumidifiers THC and other cannabinoids are produced in only one place on the…
Vapor Pressure Deficit and Indoor Growing Part 3: Different Stages of VPD
Part 3: Different Stages of VPD Written by Mike Steffes – Quest Dehumidifiers VPD Range Now that we’ve established the importance of transpiration and have…
Vapor Pressure Deficit and Indoor Growing Part 2: Why is VPD Important?
Part 2: Why is VPD Important? Written by Mike Steffes – Quest Dehumidifiers Why Vapor Pressure Deficit is Important Plants survive and grow using sunlight,…
Vapor Pressure Deficit and Indoor Growing Part 1: What is VPD?
Part 2: Why is VPD Important? Written by Mike Steffes – Quest Dehumidifiers Why is Vapor Pressure Deficit Important? Vapor Pressure Deficit, or VPD for…
One Way Not to Spray: Keep Dry
Keep Dry Posted by Cannabis Product News – Solutions for a Growing Industry MADISON, Wis. – A long-time partner of the cannabis industry is looking…
Basalt Mineral Wool: The Key to Perfect Irrigation in Your Grow Room
The Key to Perfect Irrigation in Your Grow Room Commercial growers use basalt (or basaltic) mineral wool in their hydroponic growrooms, and you should consider…
Creating a cleaner, high-quality cannabis
Date: June 13, 2016Contact: Jake Miller, 608-268-5318, jake@lsb.com Editor’s note: Clif Tomasini, Quest Dehumidifier product manager, is available for phone interviews as well as in…
Dissolved Oxygen for Better Growth: Part II: Effects of Root Oxygen Starvation, Methods of DO Production, and Effective Aeration and Nutrient Delivery
Part II: Effects of Root Oxygen Starvation, Methods of DO Production, and Effective Aeration and Nutrient Delivery Plants grown in a hydroponic system need dissolved…
Dissolved Oxygen for Better Growth: Part I: What Is It and Why Do Plants Need It?
Part I: What Is It and Why Do Plants Need It? There’s a lot to concentrate on if you’re to keep your plants healthy and…
The Different Grow Room Lights and How You Use Them: Part IV: Fluorescent and LED Lights
The Different Grow Room Lights and How You Use Them: Part IV: Fluorescent and LED Lights
Feb 11 2016
Part IV: Fluorescent and LED Lights While HID lights are the heavy hitters in grow rooms when plants need the most light, both fluorescent and…
The Different Grow Room Lights and How You Use Them – Part III: High Pressure Sodium Lights
The Different Grow Room Lights and How You Use Them – Part III: High Pressure Sodium Lights
Feb 01 2016
The Perfect “Red and Blue” Team. High Intensity Discharge (HID) lights are the most popular of the grow room lights used. There are two kinds:…
The Different Grow Room Lights and How You Use Them – Part II: Metal Halide Lights
Part II: Metal Halide Lights HID lights, or High Intensity Discharge lights, are among the most popular of the grow room lights. That’s because they…
The Different Grow Room Lights and How You Use Them- Part I: An Overview
Part I: An Overview Let there be Light In general, a grow room needs light, light, and more light. The indirect lighting many houseplants do…
Some state companies find opportunity in growing market for legal marijuana
By Rick Romell of the Journal Sentinel Jan. 3, 2016 The rapidly growing marijuana industry — legal to some degree in much of the…
Water Vapor in Grow Rooms: Moisture, and How to Measure It Part III: Dew Point Temperature
Water Vapor in Grow Rooms: Moisture, and How to Measure It Part III: Dew Point Temperature
Dec 10 2015
Part III: Dew Point Temperature There are three ways to measure moisture in a grow. Relative humidity (%RH), grains per pound, and now, dew point…
Water Vapor in Grow Rooms: Moisture, and How to Measure It – Part II: Grains per Pound (GPP)
Water Vapor in Grow Rooms: Moisture, and How to Measure It – Part II: Grains per Pound (GPP)
Dec 01 2015
Part II: Grains per Pound (GPP) As we discussed last time, relative humidity (%RH) is a way to measure moisture in your grow room’s air.…
Water Vapor in Grow Rooms: Moisture, and How to Measure It – Part I: Relative Humidity
Part I: Relative Humidity Plants need airborne moisture. In addition, the water vapor (or humidity) in your grow room can determine how healthy your plants…