Comparison of three irrigation scheduling methods in the arid southwestern US

T. F. Scherer, Donald C Slack, L. Clark, F. Fox

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

During the 1988 and 1989 growing seasons, three irrigation scheduling methods were compared at two locations in Arizona. Cotton was used as the test crop in a randomized complete block statistical design with three treatments and three replications. The three methods were; a soil water balance model based on historic consumptive use curves; a soil water balance model based on the Modified Penman Equation using daily weather from the Arizona Meteorological Network (AZMET); and infrared thermometry using the Crop Water Stress Index (CWSI). Yield results at both locations and both years show there was no significant statistical difference between the three methods. However, both years there was a significant difference at one location in the total amount of irrigation water applied by one of the scheduling methods. Although one method used more water than the others, all three methods of irrigation scheduling could be used by growers to improve their irrigation water management.

Original languageEnglish (US)
Title of host publicationASAE Publication
Editors Anon
PublisherPubl by ASAE
Pages287-291
Number of pages5
Edition4-90
StatePublished - 1990
EventProceedings of the Third National Irrigation Symposium held in conjunction with the 11th Annual International Irrigation Exposition - Phoenix, AZ, USA
Duration: Oct 28 1990Nov 1 1990

Other

OtherProceedings of the Third National Irrigation Symposium held in conjunction with the 11th Annual International Irrigation Exposition
CityPhoenix, AZ, USA
Period10/28/9011/1/90

Fingerprint

Irrigation
Scheduling
Water
Crops
Soils
Water management
Cotton
Infrared radiation

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Scherer, T. F., Slack, D. C., Clark, L., & Fox, F. (1990). Comparison of three irrigation scheduling methods in the arid southwestern US. In Anon (Ed.), ASAE Publication (4-90 ed., pp. 287-291). Publ by ASAE.

Comparison of three irrigation scheduling methods in the arid southwestern US. / Scherer, T. F.; Slack, Donald C; Clark, L.; Fox, F.

ASAE Publication. ed. / Anon. 4-90. ed. Publ by ASAE, 1990. p. 287-291.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Scherer, TF, Slack, DC, Clark, L & Fox, F 1990, Comparison of three irrigation scheduling methods in the arid southwestern US. in Anon (ed.), ASAE Publication. 4-90 edn, Publ by ASAE, pp. 287-291, Proceedings of the Third National Irrigation Symposium held in conjunction with the 11th Annual International Irrigation Exposition, Phoenix, AZ, USA, 10/28/90.
Scherer TF, Slack DC, Clark L, Fox F. Comparison of three irrigation scheduling methods in the arid southwestern US. In Anon, editor, ASAE Publication. 4-90 ed. Publ by ASAE. 1990. p. 287-291
Scherer, T. F. ; Slack, Donald C ; Clark, L. ; Fox, F. / Comparison of three irrigation scheduling methods in the arid southwestern US. ASAE Publication. editor / Anon. 4-90. ed. Publ by ASAE, 1990. pp. 287-291
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