UC ANR is committed to providing an accessible and inclusive web experience for all users. If you encounter an accessibility barrier or need content in an alternative or remediated accessible format, please contact anraccessibility@ucanr.edu.
Since THERE IS NO QUESTION that avocado root rot is the most serious disease of avocados, and since THERE IS NO QUESTION that at least 6 ,000 to 7,000 acres of avocados in California are known to be infected, are suspected of infection, or have been removed over the past several years because of inf...
Farmers can calculate cost of damage to trees As it is a frequent occurrence in Ventura County, it is helpful for growers to know the value, for insurance purposes, of trees that are lost due to fire.
This information has been adapted from an article by George E. Goodall, Farm Advisor, Santa Barbara County, appearing in the 1971 California Avocado Society Yearbook. It has been updated to include current costs and information sources.
Through research and experience gained thus far in leaf analysis, the ranges of elements in avocado leaves have been tentatively established. These are useful as a guide to fertilization and orchard management but should not be taken as absolute values for all varieties under all conditions.
Applying nitrogen fertilizers through drip irrigation systems is efficient, effective, economical and convenient. It requires only a fertilizer injector tank with proper accessories, the age of the tree and knowledge of the kind of nitrogen materials available.
Growers often ask what type of nitrogen fertilizer is best for avocados. There is no one type of fertilizer that is best for every situation. Each type of nitrogen fertilizer has its special advantages and disadvantages which must be considered in planning a fertilizer program for avocados.