Persistent Link:
http://hdl.handle.net/10150/209564
Title:
Evaluation of the Pressure Chamber for Timing Early Season Irrigations
Author:
Brown, P.; Silvertooth, J.; Malcuit, J.
Issue Date:
Mar-1993
Publisher:
College of Agriculture, University of Arizona (Tucson, AZ)
Journal:
Cotton: A College of Agriculture Report
Abstract:
Use of the pressure chamber to time the initial post- planting irrigation of short season upland cotton was evaluated in a pilot study at Marana during 1992. Top yields and better overall plant performance were obtained when the initial post - planting irrigation was applied before leaf xylem potential (ψx) dropped significantly below -15 bars. Our findings were similar to those previously observed with Acala cotton in California. The authors believe more work is required before use of the pressure chamber is recommended for irrigation management in Arizona. Specifically, an effective means of separating changes in ψx resulting from day-to-day climate fluctuations from those caused by soil-water depletion must be developed. This study also clearly showed the importance of avoiding early season water stress when growing short season cotton.
Keywords:
Agriculture -- Arizona; Cotton -- Arizona; Cotton -- Irrigation
Series/Report no.:
370094; Series P-94

Full metadata record

DC FieldValue Language
dc.titleEvaluation of the Pressure Chamber for Timing Early Season Irrigationsen_US
dc.contributor.authorBrown, P.en_US
dc.contributor.authorSilvertooth, J.en_US
dc.contributor.authorMalcuit, J.en_US
dc.date.issued1993-03-
dc.publisherCollege of Agriculture, University of Arizona (Tucson, AZ)en_US
dc.identifier.journalCotton: A College of Agriculture Reporten_US
dc.description.abstractUse of the pressure chamber to time the initial post- planting irrigation of short season upland cotton was evaluated in a pilot study at Marana during 1992. Top yields and better overall plant performance were obtained when the initial post - planting irrigation was applied before leaf xylem potential (ψx) dropped significantly below -15 bars. Our findings were similar to those previously observed with Acala cotton in California. The authors believe more work is required before use of the pressure chamber is recommended for irrigation management in Arizona. Specifically, an effective means of separating changes in ψx resulting from day-to-day climate fluctuations from those caused by soil-water depletion must be developed. This study also clearly showed the importance of avoiding early season water stress when growing short season cotton.en_US
dc.subjectAgriculture -- Arizonaen_US
dc.subjectCotton -- Arizonaen_US
dc.subjectCotton -- Irrigationen_US
dc.identifier.urihttp://hdl.handle.net/10150/209564-
dc.relation.ispartofseries370094en_US
dc.relation.ispartofseriesSeries P-94en_US
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