Brian E. Whipker
Brian Whipker is a professor in the Department of Horticultural Science at North Carolina State University.
Using Data Loggers in the Greenhouse
The fifth article of this five-part series about the tools you need to measure environmental and cultural parameters in your greenhouse, you will learn why you should be using data loggers and how to best put them to use.
Monitoring Carbon Dioxide in the Greenhouse
In addition to temperatures conducive to growth, light (photosynthetically active radiation; PAR, which was covered in part 3 […]
How to Measure Greenhouse Light With Quantum Meters
In part three of this five-part series about the tools you need to keep track of your greenhouse environment, learn how to effectively use quantum sensors to monitor how much light your plants need for optimal growth.
How pH and EC Monitoring Can Help You Manage Nutrition in the Greenhouse
In part two of this five-part series about the tools you need to keep track of your greenhouse environment, learn about the various methods for tracking pH and EC.
Infrared Thermometers for Monitoring Plant and Substrate Temperatures
Growers use many tools to monitor the greenhouse environment. Learn about the best practices for using an infrared thermometer to measuring plant temperature.
How to Increase Branching and Flower Bud Production of Christmas Cactus
Based on research completed at North Carolina State University, here are some methods for increasing branching and flower bud production of Christmas Cactus (Schlumbergera bridgessii).
Branching Out With Configure on Succulents
Researchers at North Carolina State University determine the best timing, rates, and production methods for using benzyladenine to improve branching and flowering.
Liming Requirements And pH Modification For Pine Wood Chips As An Alternative To Perlite
In the last of a four-article series highlighting the production and use of pine wood chips as aggregates in greenhouse substrates, the researchers found growers do not need to adjust their production practices when 20 percent pine wood chips are used as a perlite replacement.
Pine Wood Chips As An Alternative To Perlite In Greenhouse Substrates: Fertilization Requirements
This is the third article of the four article series highlighting the production and use of pine wood chips as aggregates in greenhouse substrates. We found growers do not need to adjust their production practices when 20% pine wood chips are utilized as a perlite replacement.
How Pine Wood Chips In Substrates Affect Plant Growth Regulators
This is the second article of the four article series highlighting the production and use of pine wood chips as aggregates in greenhouse substrates.
Ethephon Is A Cost-Effective Option For Improved Plant Structure, Preventing Early Flowering And Controlling Excessive Growth
Ethephon is an excellent and cost effective option for improving plant structure, preventing early flowering, and controlling excessive plant growth. It is easy to see why Ethephon has become an essential component of the floriculture PGR toolbox.
Basics & Beyond: Fundamentals Of Phosphorus Nutrition
Phosphorus is an essential element, after all.
How PGRs Make You Money
How do you know when it is cost-effective to use plant growth regulators (PGRs)? Certainly they can be […]
Height Control For Easter Lilies
Flurprimidol drenches have been shown to successfully control height of oriental lilies and Dutch bulbs such as hyacinth, narcissus and tulips, but there is no data that shows how effective flurprimidol drenches are on Easter lilies. Researchers decided to find out.
Preventing Plug Stunting
We have all heard the cliché doctors make the worst patients. Well, sometimes greenhouse growers make the worst […]
Using The Plant Growth Regulator Calculator
Rounding out the GroCALC software package, PGRCALC is the third and final program that has been updated in […]
Using The Alkalinity Calculator
If you have tried to use the Greenhouse Media Lab Acid Addition Calculator, the alkalinity calculator from Purdue […]
Calculating Crop Costs
There is no way around it: Profit = Revenue–Expenses. When we need to increase, or more commonly maintain, profit, […]