Featured:
- e-GRO – Electronic Grower Resources Online (e-GRO) is a collaborative effort of floriculture specialists to create a new clearing house for alerts about disease, insect, environmental, physiological and nutritional disorders being observed in commercial greenhouses. Information is available about disorders, podcasts, and research.
Nutrient, media and fertilizer management (Cornell)
- A recipe for hydroponic success – Nutrient solution recipes for common hydroponic crops including lettuce and other leafy greens and tomato and other fruiting crops.
- Substrates and Fertilizers for Organic Vegetable Transplant Production – Managing mixes, fertility, pH and vermicompost.
- Container media considerations for nursery production – Presentation on media properties, pH and EC testing, components and compost.
- Ammonium Toxicity – Covers symptoms and common causes of ammonium toxicity as well as steps to take when the problem crops up.
- Does Silicon Have a Role in Ornamental Crop Production? – Adding silicon to the plant root-zone is sometimes beneficial for floriculture crops. This article describes three cases where silicon has improved disease and stress response and offers tips for adding silicon to the substrate.
- Silicon Fertilizer Enhances Stress Tolerance of Bedding and Potted Plants – e-GRO webinar
- Adding Silicon to the Fertilizer Program in Poinsettia Production: Benefits and Facts – The addition of potassium silicate to the fertilizer program can reduce root rot and improve the strength and post-harvest life of plants.
- Growing Bedding Plants and Hanging Baskets in an Unheated High Tunnel
- Going beyond liquid feed: Management practices that help to reduce nutrient leaching – Tips for successfully using controlled release fertilizers for garden mums, bedding plants, and poinsettias. Also discussed are other management practices to reduce nutrient leaching and save on fertilizers.
- Identifying Boron Deficiency and Corrective/Preventative Actions – Boron is critical for building plant cell walls. Here’s how to avoid problems.
- Nitrogen: All Forms Are Not Equal – By understanding the different chemical forms of nitrogen, you can manage root-zone pH and avoid toxic buildup of ammonium.
- What’s Your Fertilizer Cost? – From Grower Talks magazine, explore the factors that determine the cost of your fertilizer decisions using some simple calculations.
- Substrate pH: Getting it Right for Your Greenhouse Crops – Learn how to detect and correct substrate pH disorders, the most common cause of nutrient disorders in spring greenhouse crops.
- 10 Tips to Save on Fertilizer Costs – In light of recent skyrocketing fertilizer costs, this article offers ten concrete steps to enhance your fertilizer application efficiency and improve your bottom line.
- Planting the Seeds For Consumer Success – Are your irrigation and fertility practices in greenhouse production back-firing on the end consumer and causing garden failure? This article offers suggestions for producing crops that will help the end-consumer have success.
- Fertilizer Calculations and Practice Questions – This article walks you through the process of calculating how much fertilizer to use to achieve your desired rate. Includes several practice questions, a practice exercise, and an answer sheet.
- Testing Fertilizer Injector and Stock Tank Preparation – This exercise guides you the process of testing that your fertilizer stock tank was mixed correctly and checking injector calibration, includes troubleshooting steps.
- Don’t get burned: Managing salts in greenhouse production – Slideshow focuses on sources of salt problems in greenhouse substrates and management tools solve salt problems.
- Planning a Fall Garden Mum Fertilization Program – Slideshow covers the basics of a liquid feed or controlled release program for outdoor mum production and includes photos and solutions for common nutrient disorders.
- Planning a Greenhouse Fertilization Program: Challenges in Plant Fertilization – Slideshow discussing many fertilization topics such as pH control, alkalinity and fertilizer adjustments when growing plants cooler.
Nutrient, media and fertilizer management (other)
- Fert, Dirt, & Squirt – Your reference for floriculture crop fertilization, substrates, and irrigation brought to you by the University of Kentucky and North Carolina State University
- 1, 2, 3’s of PourThru – The basics behind this powerful technique for monitoring pH and EC in the container media of your crops by Brian Whipker, Todd Cavins, and William Fonteno, North Carolina State University.
- Alkalinity Control For Irrigation Water Used in Greenhouses – Information about managing our water’s most important quality attribute by Douglas Bailey, North Carolina State University.
- Basic Fertilizer Programs for Containerized Greenhouse Crops – Fertilizer recommendations for many common greenhouse crops by Douglas Cox, UMass-Amherst.
- Greenhouse Substrates and Fertilization – Describes important attributes of container media and fertilizers and recommended nutrient ranges for many crops by Douglas Bailey, William Fonteno, and Paul Nelson.
- Managing the pH of container media – From the University of New Hampshire.
Cornell Classic factsheets and publications
Other
