Soil and Nutrient Management Webinars for Field Grown Ornamental and Christmas Trees

Date: February 3, 2016 - February 24, 2016
Time: 12:30 - 1:30 p.m.
Location: Zoom Webinar
Contact: Heidi Wollaeger, 269-384-8010,

Michigan State University Extension will be offering four live webinars on nutrient management for ornamental nursery and Christmas tree producers. The 60-minute webinars will be live 12:30 – 1:30 p.m. EST on all Wednesdays in February 2016 (February 3, 10, 17, 24). Each 60-minute webinar will be 50 minutes long and allow for 10 minutes for questions from participants.

This series will help enable you to more effectively select sites, match species, and evaluate soil nutrient modification to improve tree and shrub performance.

Cost: $40 for the webinar series or $15 per session.

Certification credits: Pesticide recertification credits will be offered for participants from Michigan. Certified Green Professional credits will be available (Michigan Nursery and Landscape Association). Credits to earn (ISA) Certified Arborist CEUs from the International Society of Arborists are still pending.

Participants desiring certification credits will need to provide their certification ID numbers during registration and submit a post-webinar evaluation in order to redeem their credits.





February 3

Soils and Soil Health

Many factors affect the successful production of woody ornamentals and Christmas trees. Soils are one of the most important aspects that can influence the quality of a site. Each soil has specific physical and chemical properties that impact water and nutrient availability. This session will help you understand basic soil fundamentals such as; CEC, soil pH, soil texture, nutrient holding capacity and how they influence plant selection and optimum plant growth and health.

Jerry Lindquist, MSU Extension

February 10

Role of Nutrients and Soil Properties on Ornamental Nursery and Christmas Tree Production

Trees and shrubs, like all plants, require seventeen essential nutrients for optimal growth. Too little or too much of one or more nutrient cans result in poor plant growth and quality. This session will look at the role of key essential plant nutrients and the roll that soil properties can play in their availability….with the end goal being healthy plants.

Dr. Bert Cregg, MSU Departments Forestry and Horticulture

February 17

Fertilizer Management Program

Soil analysis is a critical part of a successful nutrient management program. This session will help you understand your soil test, choose the right fertilizers and develop a program for optimum plant growth on your farm.

Jill O’Donnell, MSU Extension

February 24

Troubleshooting Plant Nutrient Problems

Are your plants are not growing well or are off color? Poor plant nutrition is one of the most common causes of sub-optimal plant performance in ornamental nursery and Christmas tree production. Dr. Cregg will discuss common symptoms of nutrient deficiencies, tools to help diagnosis the problem, and corrective methods to insure healthy plants.

Dr. Bert Cregg, MSU Departments Forestry and Horticulture




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