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LEDs vs. HPS lamps: A reality check

Published on June 23, 2014
With all of the promise and potential of LEDs, some myths and misconceptions are being perpetuated - hence the need for a reality check.

Growing your crops above their base temperature

Published on November 17, 2014
Is lowering temperature set points in the greenhouse the best option for you to combat rising heating costs?

Cold finishing up north.

Published on July 9, 2009
Poinsettia cold finishing is a viable option growers can use to help reduce costs.

Managing light during propagation

Published on June 24, 2005
Michigan State University research examines how environmental factors - especially light - influence the rooting and growth of vegetative annual cuttings.

Interactions of light, CO2, and temperature on photosynthesis

Published on June 23, 2015
Often times, we simplistically think about light as the driver of photosynthesis, and temperature as the key to control crop timing. Although that’s generally true, other cultural and environmental factors influence crop growth and quality.

Lighting the Future of Young Plants

Published on October 24, 2014
Walking through how growers use led lights for supplemental and sole-source lighting?

Problems with footcandles, lux and lumens

Published on September 23, 2013
The horticultural industry should discontinue use of photometric units such as lumens, lux and foot-candles. These units are based on people’s perception of light and are a highly misleading indicator of plant growth and flowering applications.

How appealing are biodegradable containers?

Published on November 18, 2011
Understanding consumer preferences is the key to turning your sustainable actions in the greenhouse into real dollars.

Light fixtures and their photon fluxes

Published on May 6, 2021
LED fixture come in all shapes, sizes and outputs — more technically, photon fluxes and spectra. This article explains the photon flux emitted by a light fixture and why it is important.

Light wavebands & their effects on plants

Published on March 23, 2015
This article discusses how the four primary wavebands of light (blue, green, red, and far red) influence plant growth and development. Light wavebands also interact with each other, but only a few are mentioned here.

Growing Flowering Plants that are Safe for Pollinators in the Yard and Garden

Published on October 23, 2014
A detailed powerpoint covering growing flowering plants that are safe for pollinators in the yard and garden.

Keeping in Front of the Curve: pH and EC Monitoring

Published on January 12, 2018
In-house monitoring of the growing substrate pH and EC will help to avoid nutrient disorders and shrinkage. Setting up a monitoring system is easy and the steps are highlighted in this article.

Grow perennials with your annuals

Published on December 29, 2010
Research at Michigan State University has determined the flowering requirements of more than 600 cultivars and species of herbaceous perennials.

Height control for vegetable transplants

Published on February 18, 2010
A supplemental labeling of Sumagic for use on vegetable transplants in the U.S. has made height control less complicated. There are a few other methods that may be helpful, too.

Environment and PGR interactions

Published on December 17, 2015
When plant growth regulators (PGRs) are applied as sprays, their efficacy can be greatly influenced by the environment. Understanding how environmental factors influence PGR spray efficacy can lead to more effective and predictable plant responses.

Cutting propagation

Published on December 19, 2008
In an ideal propagation greenhouse, a grower is able to provide adequate moisture, minimize environmental stresses, prevent diseases and insects, and rapidly root cuttings in well-drained media.

DLICALC Online Tool: Helps Growers Calculate Daily Light Integral

Published on October 24, 2013
Researchers have developed a new tool to help growers calculate supplemental daily light integrals and determine how much supplemental light is required to improve growth.

Horticultural lighting applications

Published on June 11, 2018
This article summarizes the different lighting applications and characteristics used in horticulture, including in greenhouses and indoors.

Identifying and managing yellow woodsorrel (Oxalis stricta L.) in nurseries and greenhouses

Published on April 6, 2020
This bulletin will aid in oxalis identification, understanding its biology and developing management strategies.

Using root-zone heating for energy-efficient petunia production

Published on July 17, 2016
A new study shows that you can grow your petunias in a cooler greenhouse to save money and still produce a high-quality crop.

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