Arborist News quizzes are available free online to members for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
In this article, you will learn the factors that influence the proper selection of a fertilizer, review how timing impacts the effectiveness of fertilizer application, and understand the methods for fertilizer application and when each should be used. 1 CEU (A, Y, M, T, L, Bp)
CEUs for this quiz may be earned only once during the life of your certification.