AGRI-BRIEFS
  AGRONOMIC NEWS ITEMS
From Agronomists of the
Potash & Phosphate Institute
655 Engineering Drive, Suite 110
Norcross, Georgia 30092-2837
Phone (770) 447-0335

Spring 1996, No. 8

COTTON PETIOLE ANALYSIS: A USEFUL DIAGNOSTIC TOOL

Petiole analysis is a useful tool in maintaining plant health, evaluating soil fertility programs...and guiding farmers and their advisors in making nutrient management decisions to support profitable crop yields. It is a practice worth using in high yield cotton production.

Petiole analysis allows crop advisors and farmers to monitor nutrient status in a timely manner, important in maintaining nutrient balance. Also, certain nutrients compete with each other while others are synergistic in terms of plant uptake.

Petiole analyses allow crop advisors to determine the nutrient status at weekly intervals and recommend corrective treatments where needed. It helps to evaluate factors such as:

Effective use of petiole analyses requires close attention to details. For best results several factors must be considered:

Cotton petiole analysis is growing in acceptance as a diagnostic tool that provides good opportunity to monitor the nutritional status of high yield cotton and provides an opportunity for in-season adjustments essential for top profits.
-NRU-
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