Diseases and Conditions


Considerations When Selecting a Systemic or Non-systemic Pesticide Considerations When Selecting a Systemic or Non-systemic Pesticide Considerations When Selecting a Systemic or Non-systemic Pesticide Considerations When Selecting a Systemic or Non-systemic Pesticide


No grower wants pests in their garden, but how they are dealt with can have varying consequences on plant health, your health, and the...

Natural Weed Control Natural Weed Control Natural Weed Control Natural Weed Control


Getting rid of weeds in the garden can be an arduous task for growers who want to try to stick with natural remedies. Karen Wilkinson has...

sick plants sick plants sick plants sick plants


As in humans, the symptoms of one plant problem can look a lot like another. Here are a few tips on how to make the right diagnosis and how...

Controlling Pests Organically: Aphids, Whiteflies, and Thrips Controlling Pests Organically: Aphids, Whiteflies, and Thrips Controlling Pests Organically: Aphids, Whiteflies, and Thrips Controlling Pests Organically: Aphids, Whiteflies, and Thrips


Aphids, whiteflies and thrips are three of the most common pests of indoor growing areas. Here are some solutions for controlling them.

Fasarium Wilt Fasarium Wilt Fasarium Wilt Fasarium Wilt


Feared because it is virtually impossible to get rid of, fusarium wilt is wreaking havoc on lettuce and other field and greenhouse crops....

What Do You Know About Mildew? What Do You Know About Mildew? What Do You Know About Mildew? What Do You Know About Mildew?


In the garden, mildew is often confused with mold. However, they are very different problems and it is important not to mix the two up when...

Infused With Life: How Microbes Work in Your Plant Growing System Infused With Life: How Microbes Work in Your Plant Growing System Infused With Life: How Microbes Work in Your Plant Growing System Infused With Life: How Microbes Work in Your Plant Growing System


Gone are the days when hydroponics was a solely synthetic system—growing successfully in an organic system is impossible without the use of...

The Basics of Plant Diseases The Basics of Plant Diseases The Basics of Plant Diseases The Basics of Plant Diseases


Almost everyone who grows plants, whether for their own enjoyment or professionally, will encounter plant disease problems at some point.

Beneficial Elements For Your Nutrient Regimen Beneficial Elements For Your Nutrient Regimen Beneficial Elements For Your Nutrient Regimen Beneficial Elements For Your Nutrient Regimen


There are several essential macro- and micronutrients plants need to grow and reproduce. Here we look at aluminum, iodine, lithium,...

Good Greenhouse Hygiene Good Greenhouse Hygiene Good Greenhouse Hygiene Good Greenhouse Hygiene


Plants are more likely to thrive in a clean environment. Make it your goal this spring to carry out these simple sanitary measures in your...

Electrical conductivity Electrical conductivity Electrical conductivity Electrical conductivity


Electrical conductivity measurements were once one of the only ways growers could check up on the elemental concentrations of their...

Hypochlorite in Horticulture Hypochlorite in Horticulture Hypochlorite in Horticulture Hypochlorite in Horticulture


Hypochlorite is a readily available germicide that has many horticultural uses. Bill DeBoer shares a rundown on what to keep in mind when...

Abiotic Diseases Abiotic Diseases Abiotic Diseases Abiotic Diseases


Pests, fungi, viral diseases, bacteria—these are all potentially deadly problems if they get into your growroom. But there’s another danger...

Root Restriction in Hydroponics Root Restriction in Hydroponics Root Restriction in Hydroponics Root Restriction in Hydroponics


Most hydroponic crops only require a small root zone volume. However, as Lynette Morgan points out, the restriction methods used are just...

Grow Room Tips: Double Up On Some Equipment Grow Room Tips: Double Up On Some Equipment Grow Room Tips: Double Up On Some Equipment Grow Room Tips: Double Up On Some Equipment


If you take your garden seriously, you won't mind paying for insurance in the form of some spare gear. Here are several items that...

How Nutrient Antagonism Leads to Nutrient Deficiency in Plants How Nutrient Antagonism Leads to Nutrient Deficiency in Plants How Nutrient Antagonism Leads to Nutrient Deficiency in Plants How Nutrient Antagonism Leads to Nutrient Deficiency in Plants


If you're feeding your plants plenty of magnesium, but it still show signs of magnesium deficiency, check this out. Even plants being fed...

Compatibility Agents - What do I need to know? Compatibility Agents - What do I need to know? Compatibility Agents - What do I need to know? Compatibility Agents - What do I need to know?


Compatibility agents have a legitimate place in greenhouse and hydroponic tank mixes, but they are not a fix for bad mixing decisions.

Removing Pollutants from Indoor Air Removing Pollutants from Indoor Air Removing Pollutants from Indoor Air Removing Pollutants from Indoor Air


Polluted air lowers our immune systems and allows mold, bacteria and germs to sicken us, our pets, and our plants. What can we do about it?

How to Condition Your Sterilized Soil How to Condition Your Sterilized Soil How to Condition Your Sterilized Soil How to Condition Your Sterilized Soil


While sterilized soils might be convenient and cost effective to use, they can present certain challenges to the grower. Donald Lester...

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