Water management practices can affect salinity in rice fields

Scardaci, S; Shannon, M; Grattan, S; Eke, A; Roberts, S; Goldman-Smith, S; Hill, J

Water management practices can affect salinity in rice fields

Authors

Steven C. Scardaci
Michael C. Shannon
Stephen R. Grattan
Austine U. Eke
Stacey R. Roberts
S. Goldman-Smith
James E. Hill

Authors Affiliations

S.C. Scardaci is former Farm Advisor, UC Cooperative Extension, Colusa County, UC Davis; M.C. Shannon is Research Geneticist, USDA-ARS George E. Brown, Jr. Salinity Laboratory, Riverside; S.R. Grattan is Plant-water Relations Specialist, Department of Land, Air and Water Resources, UC Davis; A.U. Eke is former Staff Research Associates; S.R. Roberts is former Staff Research Associates; J.E. Hill is Agronomist, Department of Agronomy and Range Science, UC Davis.

Publication Information

Hilgardia 56(6):184-188. DOI:10.3733/ca.v056n06p184. November 2002.

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Abstract

Water management practices in California rice production can affect salinity in the field. This is particularly important because rice is one of the most sensitive crops to salinity. We extensively monitored salinity patterns in dozens of rice fields in Colusa and Glenn counties, in order to determine how salinity varies from basin to basin and to compare salinity patterns under different irrigation systems. We found that the fields most vulnerable to salinity damage were those with higher soil salinity and using irrigation water sources initially high in salinity, particularly nondistrict sources that are combinations of well and drain water. Long water holding periods, while effective in reducing pesticide concentrations in rice fields, can contribute to salinity increases in bottom basins. Salinity can increase with either conventional or static irrigation management systems, but the salinity pattern in the field will be different.

References

Ayers RS, Westcot DW. Water quality for agriculture. FAO Irrigation and Drainage paper No 20 (rev. 1). 1985. Rome, Italy: FAO United Nations. 174 pp.

[GCID] Glenn-Colusa Irrigation District. Water Measurement Report. Willows, CA. 1997.

Henderson DW, Tanji KK, Biggar JW, et al. Water Quality in Rice Fields. Water Science and Engineering Papers 4008, Dept. of Water Science and Engineering (now Land, Air and Water Resources). UC Davis 1974.

Hill JE, Scardaci SC, Roberts SR, et al. Rice irrigation systems for tailwater management. UC DANR Pub 21490 (revised) 1995. p.14 p.

Khatun S, Flowers TJ. Effects of salinity on seed set in rice. Plant Cell Environ. 1995. 18:61-7. https://doi.org/10.1111/j.1365-3040.1995.tb00544.x

Lee MJ, Ross LJ, Wang RG, Jolley FL, Wang RGM. Integrating environmental toxicology and monitoring in the development and maintenance of a water quality program: California's rice herbicide scenario (Ch. 18). Effective and Safe Waste Management: Interfacing Sciences and Engineering with Monitoring and Risk Analysis. 1993. Ann Arbor, MI: Lewis.

Maas EV, Tanji KK. Crop salt tolerance. Agricultural Salinity Assessment and Management Manual. ASCE Manuals & Reports on Engineering Practices No 71. 1990. New York: p. 262-304.

Shannon MC, Rhoades JD, Draper JH, et al. Assessment of salt tolerance in rice cultivars in response to salinity problems in California. Crop Sci. 1998. 38:394-8.

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