Evaluation of Date of Planting on the Yield of Several Upland Varieties at Marana, 1993

Silvertooth, J. C.
Brown, P. W.
Norton, E. R.
Unrah, B. L.

Publication date

March 1994

Publisher

College of Agriculture, University of Arizona (Tucson, AZ)

Abstract

A single field experiment was conducted in 1993 at Marana, Arizona (2,000 ft. elevation) to evaluate the response of three Upland cotton varieties to three dates of planting. Planting dates ranged from as early as 6 April to 11 May. Planting date was a significant effect for all varieties and revealed a substantial drop in yield with delays past 20 April in 1993, which corresponded to 568 heat units (HU, 86/55 °F thresholds) accumulated since 1 January

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Evaluation of Date of Planting on the Yield of Several Upland Varieties at Marana, 1993

Abstract

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Evaluation of Date of Planting on the Yield of Several Upland Varieties at Marana, 1993

Abstract

Extracted data

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