Feedback Requirements for Nitrogen Management
(PDF version, 35KB)
by Jeffrey C. Silvertooth,
Extension Agronomist - Cotton
The utilization of a feedback approach requires a systematic approach to soil and crop monitoring. Accordingly, there are some basic requirements associated with a feedback approach per se. The following information provides an outline of a feedback approach to N management in an irrigated cotton production system.
Feedback Management Requirements
Estimation Total N Needs
Crop Monitoring - N Management
Begin fertilizer N applications at or just prior to the first post-plant irrigation, which should occur near the time when the first squares are appearing on the plant. Proceed with additional split applications, dependant upon plant conditions, and complete fertilizer application by peak bloom.
Issued in furtherance of Cooperative Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture, James A. Christenson, Director Cooperative Extension, College of Agriculture and Life Sciences, The University of Arizona.
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Information provided by Jeffrey C. Silvertooth, firstname.lastname@example.org
Extension Agronomist - Cotton, College of Agriculture, The University of Arizona.
Material written February 2001.
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