UNL Publications
Growing Commercial Wine Grapes in Nebraska (G2289)
Grape Growing for the Home Garden (G2279)
Groundcovers for Nebraska Vineyards (G2341)
Protecting Pesticide Sensitive Crops (G2179)
Groundcovers for Nebraska Vineyards (G2341)
Foliar Fertilization of Grapevines August 2015
Foliar Fertilization of Grapevines
By Peter Christensen, Extension Viticulturist, The University of California Kearney Agricultural Center
Applying nutrients to the foliage is widely practiced in fruit crop production. In many instances it may not be providing any benefit except to the manufacturer and dealer. So, when is it effective and economical? The literature is full of reports on foliar fertilization studies. This article brings some of the information to light in hopes that it will lessen the confusion, mysteries, and expense of this practice.