Noble Learning: Time to Collect Pecan Leaf Samples

(Staff Photos by Rob Mattson/Noble Research Institute) Pecan tree leaves are photographed at the Noble Research Institute in Ardmore, Okla., Monday evening, June 5, 2017.

By Amanda Early, Ag Services & Resource Assistant

Over the years, people have written songs and poetry inspired by the green leaves of summer. To pecan producers, the appearance of those green leaves should inspire more than just poetry; they should inspire growers to get out and take leaf samples from the trees.

Leaf sampling is a vital tool a grower can use in identifying the nutrients needed for the orchard. July is the standard time to collect leaf samples. During this time of the year, nutrients are more balanced, and standards for the nutrient concentrations have been well-documented.
Sometimes, I am asked by cooperators what a leaf sample will tell them that a soil sample can’t.

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