University of Missouri--Columbia. Extension Division
Abstract
"Spectrographic analysis of plant tissue is a relatively new and accurate method for determining levels of major and minor elements in growing crops. However, good results make proper sampling of crops necessary. Keep the following points in mind when taking samples: Take plant samples at the proper stage of growth. Select tissue from proper portion of plant. Handle samples properly after collection. Take soil sample at the same time tissue is collected. If you follow the suggestions provided here, results of tests should be helpful. They can aid in diagnosing problem areas within fields, or in evaluating the fertility practices being followed on fields, or farms, where maximum yield is the goal."--First page.Roger Hanson (Department of Agronomy)"Revised September 2019 by Gene Stevens