Donald Lester

Donald Lester is the vice-president of product development at Vestaron Corporation, a Michigan-based biopesticide development company that has created a new insecticide chemistry based on spider venom pesticides.

Donald has a master's degree in agronomy and more than 80 scientific publications to his credit. He is a licensed pest control adviser and an internationally certified crop adviser.

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Articles by Donald Lester

Grow Stronger Plants with the Building Blocks of Proteins Grow Stronger Plants with the Building Blocks of Proteins Grow Stronger Plants with the Building Blocks of Proteins Grow Stronger Plants with the Building Blocks of Proteins


Plants grown with amino acid-chelated supplements are generally richer in sugars and other nutritional elements, allowing them to be sold...

Biosecurity Basics: A Bit Beyond Sanitation Biosecurity Basics: A Bit Beyond Sanitation Biosecurity Basics: A Bit Beyond Sanitation Biosecurity Basics: A Bit Beyond Sanitation


A lot has been said about how important it is to sanitize a growroom to keep problems at bay. Here are five ways to implement a mindset of...

Copper: Helpful or Harmful? Copper: Helpful or Harmful? Copper: Helpful or Harmful? Copper: Helpful or Harmful?


You might already know that copper is one of the essential micronutrients that plants need for growth, but did you know that some plants...

What Not To Do When Applying Fertilizers What Not To Do When Applying Fertilizers What Not To Do When Applying Fertilizers What Not To Do When Applying Fertilizers


Applying fertilizer is not as easy as it seems. Here are the top 10 errors Don Lester has seen people make over the years... Read, learn...

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...

Understanding Phosphorous Acid Products Understanding Phosphorous Acid Products Understanding Phosphorous Acid Products Understanding Phosphorous Acid Products


Phosphorous acid products are causing a lot of buzz these days; however, people often get confused as there are so many similar sounding...

Snails: Pest, Predator and Food Snails: Pest, Predator and Food Snails: Pest, Predator and Food Snails: Pest, Predator and Food


Of all the pests that can enter a greenhouse, arguably the most repulsive is the common garden snail.

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.

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