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Final Irrigation Timing of Upland and Pima Cotton

C. R. Farr

Abstract

Irrigation termination trials were continued in 1988 to evaluate a newer, popular upland variety and pima S-6. Irrigation in the first week of September increased the yield of a May planting of DP 77, but not of two trials in 1988 with early April planting dates. A March planting of pima S-6 failed to respond to a 10 September irrigation on Coolidge sandy loam.

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Key concepts: Irrigation, Agronomy, Environmental science, Biology