The disposal of desalting concentrates where do we go from here? A roundtable discussion

Smith, Barry E.; Paul, D.L.; Harlow, W.H.; Rhodes, H.L.; Conlon, William J.; Watson, B.M.; Leahy, Thomas M.

doi:10.1016/0011-9164(90)80033-8

Desalination

1990

DOI: 10.1016/0011-9164(90)80033-8

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The disposal of desalting concentrates where do we go from here? A roundtable discussion

Barry E. Smith¹,

D.L. Paul²,

W.H. Harlow³

et al.

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2010

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Salinity and specific ion effects on onion establishment in relation to disposal of desalting concentrates

Miyamoto¹,

Niu²,

Martinez³

2010

Desalination and Water Treatment

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A B S T R AC TConcentrate from nanofi ltration (NF) is usually enriched with divalent ions, and low in proportions of monovalent ions. Therefore, its disposal to irrigation water may not be deleterious, especially for growing crops susceptible to specifi c effects of Na and/or Cl. This possibility was examined in a greenhouse by observing effects of four levels of salinity and ion composition of irrigation solutions on seedling emergence and growth of onions (sensitive to Cl ions) in loamy sand and silt loam. Seedling emergence from surface-irrigated loamy sand was excellent, regardless of the saline solutions used. In subirrigated silt loam, however, seedling emergence was reduced by increasing initial soil salinity and salinity of irrigation solutions, but not by the ion composition. Seedling growth was reduced by increasing Cl to SO 4 ratio only when the Cl concentration of irrigation solutions exceeded a concentration between 10 and 20 me L -1 . The Cl effect seems to appear after seedling growth is fi rst reduced by salinity. The addition of Ca and SO 4 to the irrigation solution reduced seedling growth. The disposal of NF concentrates into irrigation water, and associated impacts on establishment of crops sensitive to osmotic stress should be evaluated mainly by considering an increase in salinity, soil types, and cultural practices.

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Salinity and specific ion effects on onion establishment in relation to disposal of desalting concentrates

Miyamoto¹,

Niu²,

Martinez³

2010

Desalination and Water Treatment

View full text Add to dashboard Cite

show abstract

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The disposal of desalting concentrates where do we go from here? A roundtable discussion

Cited by 1 publication

References 0 publications

Salinity and specific ion effects on onion establishment in relation to disposal of desalting concentrates

Salinity and specific ion effects on onion establishment in relation to disposal of desalting concentrates

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